Do Now, Words of the Day, Summaries

Upon arrival to class copy Do Now question and Summary on the proper sheet and copy Vocab. word into the

designated Vocabulary book.

2/6/2012 Day 4

• Do Now: The Earth’s circumference is 40,000 miles, determine the diameter of the Earth. C=3.14d

• Vocab.: Continental Crust - thicker, less dense crust made of granite

• Summary: Continental plates sit higher in the asthenosphere because...

D.N. Answer: 40,000 mi.=3.14 x d

40,000 mi./3.14 = d

12,739 mi. = d

Summary Answer: Continental plates sit higher in the asthenosphere because they are less dense.

2/7/2012 Day 5

• Do Now: What do you think is meant by the term “plate boundary”?

• Vocab.: Subduction Zone – area where oceanic crust sinks beneath a deep ocean trench into the mantle at a convergent boundary

• Summary: The oldest rocks in the Atlantic Ocean are found...

D.N. Answer: the edge of the lithospheric plates

Summary Answer: The oldest rocks in the Atlantic Ocean are found near the edge of the continents.

2/8/2012 Day 6

• Do Now: If magma created by an oceanic subduction is heated to 1,200 Degrees F, how many degrees Celsius would this be? *C = 5/9(*F-32)

• Vocab.: Divergent Boundary – a plate boundary where two plates move away from each other

• Summary: The Mariana Trench was created by...

D.N. Answer: *C =5/9(1200-32)

=5/9(1168)

=649 *C

Summary Answer: The Mariana Trench was created by a convergent subduction zone.

2/9/2012 Day 1

• Do Now: The Outer Core is about 1400 miles thick, about how many Kilometers would this be? Km = Miles X 1.62

• Vocab.: Convergent Boundary – a plate boundary where two plates move toward each other

• Summary: The Himalayan mountains were created by ...

D.N. Answer: km = 1400 x 1.62

=2268 km

Summary Answer: The Himalayan mountains were created by a continental-continental convergent collision.

2/10/2012 Day 2

• Do Now: If a p-wave travels 8 km/s, how many minutes and seconds would it take to travel through the Outer Core to the Inner Core?

• Vocab.: Transform Boundary – a plate boundary where two plates move past each other in opposite directions

• Summary: A chain of volcanoes commonly forms when a ...

D.N. Answer: =2248 km/8 km/s

=281 s/60 s

=4.68333 minutes

=4 mins. (.6875 x 60)

=4 mins. 40 sSummary Answer: A chain of volcanoes commonly forms when a plate subducts and melts underneath another plate.

2/13/2012 Day 3

• Do Now: If a p-wave travels at 5000 m/s through granite, what is its speed in mi/hr?

• Vocab.: Longitudinal – same direction as direction of travel

• Summary: Earthquake activity, volcanic activity and high heat flow are characteristics of...

D.N. Answer: =5000 m/s x .001 km/m

=5 km/s x 60 s/min

=300 km/min x 60 min/hr

=18000 km/hr x .61 mi/km = 10,980 miles/hr

Summary Answer: Earthquake activity, volcanic activity and high heat flow are characteristics of a plate boundary.

2/14/2012 Day 4

• Do Now: What do you think the P and S in P-waves and S-waves mean?

• Vocab.: P-wave – compressional waves generated by an earthquake that are longitudinal in nature

• Summary: Collision and subduction boundaries are examples of...

D.N. Answer: P stands for primary. S stands for secondary.

Summary Answer: Collision and subduction boundaries are examples of convergent boundaries.

2/15/2012 Day 5

• Do Now: If a s-wave travels 3 km/s, how many minutes and seconds would it take to travel 1200 km?

• Vocab.: Transverse – consists of undulations (repeated ups and downs) perpendicular to the direction of travel

• Summary: When two plates converge, the one that subducts is...

D.N. Answer: =1200 km/ (3 km/s)=400 s/60 s/min

=6.67 minutes

=6 mins. (.67 x 60s)

=6 mins. 40 sSummary Answer: When two plates converge, the one that subducts is the denser one.

2/16/2012 Day 6

• Do Now: If a p wave travels at 5 km/s and an s-wave travels at 3 km/s what is the time interval in minutes at 10,000 km?

• Vocab.: S waves - shear waves generated by an earthquake that are transverse in nature

• Summary: If two plates with continental crust converge, they will likely...

D.N. Answer: = 10,000 km/ (2 km/s)

=10,000 km/ (5 km/s)

=5000 s – 2000 s

=3000 s / (60 s/min)

= 50 min.Summary Answer: If two plates with continental crust converge, they will likely weld together.

2/21/2012 Day 1

• Do Now: If an s wave travels 12393 km in 4131 seconds, what is its rate of travel?

• Vocab.: S-P Interval – the time interval between the first arrivals of transverse (S) and longitudinal (P) waves

• Summary: A divergent boundary has _(newer/older)__ rocks and _________ elevation relative to the rocks around it.

D.N. Answer: = 12393 km/4131 s

= 3 km/s

Summary Answer: A divergent boundary has newer rocks and higher elevation relative to the rocks around it.

2/22/2012 Day 2

• Do Now: If the rate of travel of an S wave is 3 km/s, at 6 minutes how far will the wave have travelled?

• Vocab.: Normal Fault – a type of fault where the hanging wall slides downward; caused by tension in the crust

• Summary: A subduction boundary has __(newer/older)__ rocks and _____ elevation relative to the rocks around it.

D.N. Answer: = 3 km/s x 6 min.

= 3 km/s x 360 s

= 1080 km

Summary Answer: A subduction boundary has older rocks and lower elevation relative to the rocks around it.

2/23/2012 Day 3

• Do Now: If a p wave travels at 3 km/s and goes a distance of 5196 km, what was the time it took to get there?

• Vocab.: Reverse fault – a type of fault where the hanging wall slides upward; caused by compression in the crust

• Summary: Earthquakes are related to...

D.N. Answer: = 5196 km/(3 km/s)

= 1732 s/ 60 s/min

= 28.86667 min.

= 28 min 52 s

Summary Answer: Earthquakes are related to seismic waves, faults and tsunamis.

2/24/2012 Day 4

• Do Now: If a p wave travels at 5 km/s and an s-wave travels at 3 km/s what is the time interval in minutes at 5,000 km?

• Vocab.: Strike-slip fault – a type of fault where rocks on either side move past each other sideways with little up or down motion

• Summary: Three types of faults are...

D.N. Answer:

= 5000 km/ 3 km/s - 5000km/ 5 km/s

=1667 s - 1000 s

= 667 s = 10 min. 40 s

Summary Answer: Three types of faults are normal, reverse and strike-slip.

2/27/2012 Day 5

• Do Now: What is a hanging wall?

• Vocab.: Fault – a break in the crust of the earth where rocks can move past each other

• Summary: Three types of stress are...

D.N. Answer:

A hanging wall is a block of rock that lies above the fault line

Summary Answer: Three types of stress are tension, compression, and shearing.

2/28/2012 Day 6

• Do Now: If a reverse fault moves 5 cm, what is that in meters and in what direction?

• Vocab.: Hanging wall – block of rock that lies above the fault line

• Summary: To measure an earthquake you use a(n)...

D.N. Answer: 5 cm = .05 m, hanging wall up

Summary Answer: To measure an earthquake you use a seismometer.

2/29/2012 Day 1

• Do Now: If a normal fault moves 20 cm, what is that in millimeters and in what direction?

• Vocab.: Foot wall – block of rock that lies below the fault line

• Summary: The order that earthquake waves would arrive would be...

D.N. Answer: 20 cm = 200 mm, the hanging wall moves down

Summary Answer: The order that earthquake waves arrive would be primary, secondary and lastly surface waves.

3/1/2012 Day 2

• Do Now: If an earthquake’s magnitude increases from a 4.0 to a 6.0 how many times more energy is released?

• Vocab.: Stress – force that acts on a rock to change its shape or volume

• Summary: The Richter scale measures the intensity of an earthquake from the...

D.N. Answer: 6.0 – 4.0= 2.0

2.0 x 31 = 61 times the energy

Summary Answer: The Richter scale measures the intensity of an earthquake from the S wave amplitude of a seismograph.

3/2/2012 Day 3

• Do Now: If an earthquake’s magnitude increases from a 1.0 to a 8.5 how many times more energy is released?

• Vocab.: Tension – pulls the crust, stretching the rock making it thinner in the middle

• Summary: The Mercalli scale measures...

D.N. Answer: 8.5-1.0=7.5

7.5 x 31 = 232.5 times the energy

Summary Answer: The Mercalli scale measures the amount of damage during an earthquake.

3/5/2012 Day 4

• Do Now: Which type of fault would you expect to find at a transform plate boundary?

• Vocab.: Amplitude – the size of the wiggles on an earthquake recording

• Summary: The point where fault movement occurred is...

D.N. Answer: strike-slip fault

Summary Answer: The point where fault movement occurred is called the focus.

3/6/2012 Day 5

• Do Now: How many seismograph stations are needed to locate the epicenter of an earthquake?

• Vocab.: Magnitude – the measurement of an earthquake’s strength based on seismic waves and movement along faults

• Summary: Particles from Rayleigh waves move in...

D.N. Answer: three

Summary Answer: Particles from Rayleigh waves move in a circular motion.

3/7/2012 Day 6

• Do Now: How do particles move as an S-wave passes?

• Vocab.: Mercalli Scale – a scale that rates earthquakes according to their intensity and how much damage they cause at a particular point

• Summary: As the distance from the epicenter of an earthquake gets bigger, the S-P interval...

D.N. Answer: up and down

Summary Answer: As the distance from the epicenter of an earthquake gets bigger, the S-P interval gets larger.

3/8/2012 Day 1

• Do Now: Which earthquake waves cause the most destruction?

• Vocab.: Richter Scale – a scale that rates an earthquake’s magnitude based on the size of its seismic waves

• Summary: The three types of stresses are…

D.N. Answer: Surface Waves

Summary Answer: The three types of stresses are tension, compression, and shearing.

3/9/2012 Day 2

• Do Now: How do particles move as a P-wave passes??

• Vocab.: Aftershock – an earthquake that occurs after a larger earthquake in the same area

• Summary: The three types of faults are…

D.N. Answer: compressed and stretched

Summary Answer: The three types of faults are normal, reverse and strike-slip.

3/12/2012 Day 3

• Do Now: Where are volcanoes found?

• Vocab.: Pyroclastic flow – an explosive eruption hurling out a mixture of hot gases, ash, cinders, and bombs

• Summary: I am not sure about...

D.N. Answer: along boundaries of earth’s plates

Summary Answer: I am not sure about...(answer with something related to the class).

3/13/2012 Day 4

• Do Now: Magma is at least 750 degrees C, what is that in Fahrenheit?

• Vocab.: viscosity - the resistance of a liquid to flowing

• Summary: I might have learned more if...

D.N. Answer: F = 9/5(750) +32

=1350+32

=1382 F

Summary Answer: I might have learned more if...(answer with something related to the class).

3/14/2012 Day 5

• Do Now: What happens to magma’s viscosity as it gets hotter?

• Vocab.: Hot spot – an area where material from deep within the mantle rises and then melts, forming magma

• Summary: I want to find out more about...

D.N. Answer: it decreases

Summary Answer: I want to find out more about...(answer with something related to the class).

3/15/2012 Day 6

• Do Now: Mt. St. Helens erupted at 8:30 a.m., how many minutes after midnight until it erupted?

• Vocab.: Ring of Fire – volcanic belt that rims the Pacific Ocean

• Summary: One thing I learned is…

D.N. Answer: 510 minutes

Summary Answer: One thing I learned is…...(answer with something related to the class).

3/16/2012 Day 1

• Do Now: Mt. St. Helens erupted on May 18, 1980, how many years and days since the eruption?

• Vocab.: Volcano – a weak spot in the crust where molten material, or magma, comes to the surface

• Summary: Three things I learned this week are…

D.N. Answer: 21

Summary Answer: Three things I learned this week are… (answer with something related to the class).

3/19/2012 Day 2

• Do Now: If a pyroclastic flow moves at up to 700 km/hr, what is that in mph?

• Vocab.: dormant – a volcano that is not currently active, but that may become active in the future

• Summary: Three types of volcanoes are ...

D.N. Answer: 700 km/h x .61 = 427 mph

Summary Answer: Three types of volcanoes are shield, strato- and cinder cone.

3/20/2012 Day 3

• Do Now: How many active volcanoes are there on Earth?

• Vocab.: extinct – a volcano that is no longer active and is unlikely to erupt again

• Summary: A shield volcano is ...

D.N. Answer: 500 above water

Summary Answer: A shield volcano is a rounded volcano with gentle lava flows.

3/21/2012 Day 4

• Do Now: Word Generation

• Vocab.: shield volcano – wide and gently sloping volcano with quiet eruptions and thin lava flows

• Summary: One thing that helps buildings withstand earthquakes is...

D.N. Answer: Info or entertainment

Summary Answer: Find your own answer.

3/22/2012 Day 5

• Do Now: Word Generation

• Vocab.: cinder cone volcano – steep and cone shaped volcano producing high viscosity lava, ash, cinders and bombs

• Summary: The chemical formula for water is...

D.N. Answer: Smoking

Summary Answer: The chemical formula for water is H20.

3/23/2012 Day 6

• Do Now: Name 5 parts of a volcano.

• Vocab.: stratovolcano – tall, cone shaped volcanoes from alternating lava flows and explosive eruptions

• Summary: A cinder cone volcano is...

D.N. Answer: vent, crater, magma chamber, ash cloud, secondary cone, pyroclastic cloud, lava flow

Summary Answer: A cinder cone volcano is a steep and cone shaped volcano producing high viscosity lava, ash, cinders and bombs.

3/26/2012 Day 1

• Do Now: Why is water a polar molecule?

• Vocab.: cohesion - the molecular force between particles within a body or substance that acts to unite them.Summary: The difference between cohesion and adhesion is...

D.N. Answer: because it has oppositely charged ends.

Summary Answer: The difference between cohesion and adhesion is the attraction within a substance and attraction between different substances respectively.

3/27/2012 Day 2

• Do Now: Which is more dense, salt water or fresh water?

• Vocab.: adhesion - the tendency of different particles and/or surfaces to cling to one another Summary: Hydrophobic means...

D.N. Answer: salt water.

Summary Answer: Hydrophobic means that something is not attracted to water.

3/28/2012 Day 3

• Do Now: Which is more dense, cold water or warm water?

• Vocab.: specific heat - amount of heat that must be absorbed or expended to change the temperature of 1g of a substance 1o C. Summary: Hydrophilic means...

D.N. Answer: cold water.

Summary Answer: Hydrophilic means that something is attracted to water.

3/29/2012 Day 4

• Do Now: Is ketchup an acid or a base?

• Vocab.: Heat of Vaporization - Amount of energy required to change 1g of liquid water into a gas

• Summary: pH expresses...

D.N. Answer: acid.

Summary Answer: pH expresses the hydrogen ion (H+) concentration in a solution.

3/30/2012 Day 5

• Do Now: Is ammonia an acid or a base?

• Vocab.: solvent – the dissolving agent in a solution

• Summary: In Kool-aid the solvent is...

D.N. Answer: base.

Summary Answer: In Kool-aid the solvent is water.

4/2/2012 Day 6

• Do Now: Make a table including types of volcanoes, kind of eruption, and shape.

• Vocab.: pH - expresses hydrogen ion (H+) concentration in a solution

• Summary: In Kool-aid the solute is...

D.N. Answer: check page 8 in pink packet.

Summary Answer: In Kool-aid the solute is the powder.

4/3/2012 Day 1

• Do Now: What is the point where fault movement triggered an earthquake?

• Vocab.: acid – sour tasting substance with a pH less than 7

• Summary: The four different types of seismic waves are...

D.N. Answer: focus

Summary Answer: The four different types of seismic waves are P waves, S waves, Rayleigh waves and Love waves.

4/4/2012 Day 2

• Do Now: What earthquake waves cause the most damage?

• Vocab.: base – bitter tasting substance with a pH more than 7

• Summary: Particles move ______ as a p wave passes.

D.N. Answer: surface waves.

Summary Answer: Particles move in a push-pull direction as a p wave passes.

4/5/2012 Day 3

• Do Now:Does water move in a wave?

• Vocab.: watershed - an area or region drained by a river, river system, or other body of water.

• Summary: The word equinox means...

D.N. Answer:no.

Summary Answer:The word equinox means equal day and night.

4/10/2012 Day 4

• Do Now: Planet Earth

• Vocab.: gradient – the slope or steepness of a stream channel.

• Summary: Planet Earth

D.N. Answer:.

Summary Answer:

4/11/2012 Day 5

• Do Now: Word Generation

• Vocab.: discharge – the volume of water flowing past a certain point in a given unit of time.

• Summary: The force that draws water downstream is…

D.N. Answer: Drugs.

Summary Answer: The force that draws water downstream is gravity.

4/12/2012 Day 6

• Do Now: An explorer in Africa needs 50 L of water for his crew and 20 L of water for each of the elephants carrying their equipment. How much water will the explorer need if he has 15 elephants, and they can find 100 L of water from a river on the trip? (Do not copy question)

• Vocab.: watershed - Land area that supplies water to a river system

• Summary: A stream’s channel is characterized by…

D.N. Answer: 15 x 20 = 300 L

300+50=350 L

350-100=250 L

Summary Answer: A stream’s channel is characterized by its shape, size and roughness.

4/16/2012 Day 2

• Do Now: What causes surface currents in the ocean?

• Vocab.: frequency - how many waves pass a certain point in a given time

• Summary: The most abundant animal on the planet is…

D.N. Answer: wind and the coriolis effect.

Summary Answer: The most abundant animal on the planet is krill.

4/17/2012 Day 3

• Do Now: PSSA

• Vocab.: PSSA

• Summary: PSSA

D.N. Answer: PSSA.

Summary Answer: PSSA

4/18/2012 Day 4

• Do Now: PSSA

• Vocab.: PSSA

• Summary: PSSA

D.N. Answer: PSSA.

Summary Answer: PSSA

4/19/2012 Day 5

• Do Now: How many cups are in a gallon?

• Vocab.: wavelength - distance from crest to crest in a wave

• Summary: The difference between porosity and permeability is…

D.N. Answer: 16.

Summary Answer: The difference between porosity and permeability is porosity is spaces in the ground and permeability is how fluid moves through those spaces.

4/20/2012 Day 6

• Do Now: List five words that describe water.

• Vocab.: period – time it takes for two crests to pass a given point

• Summary: Caverns form by…

D.N. Answer: wet, damp, fluid, liquid, clear, odorless.

Summary Answer: Caverns form by water dissolving limestone as it permeates the ground.

4/23/2012 Day 1

• Do Now: What does a lowering of the water table indicate?

• Vocab.: Spring - forms whenever the water table intersects the ground surface

• Summary: A geyser erupts because…

D.N. Answer: possible drought or increase in water usage.

Summary Answer: A geyser erupts because water turned to steam builds pressure expelling water and steam.

4/25/2012 Day 2

• Do Now: PSSA

• Vocab.: PSSA

• Summary: PSSA

D.N. Answer: PSSA.

Summary Answer: PSSA

4/26/2012 Day 3

• Do Now: What is the cubed root of 343?

• Vocab.: saturated – state of being packed full

• Summary: The Earth gets most of its energy from…

D.N. Answer: 7 x 7 x 7 = 343.

Summary Answer: The Earth gets most of its energy from the Sun.

4/27/2012 Day 4

• Do Now: WETLAND acrostic using words to describe it

• Vocab.: Aquifers - permeable rock layers or sediments that transmit groundwater freely

• Summary: Ponds and lakes are different because…

D.N. Answer:.

Summary Answer: Ponds and lakes are different because ponds are shallower than lakes.

4/30/2012 Day 5

• Do Now: What causes daily tides?

• Vocab.: permeability - ability to transmit water through connected pore spaces

• Summary: Five and Four: 5 characteristics of a wave and 4 determining factors of wave size

D.N. Answer: daily tides are caused by the gravitational force between the earth and the moon.

Summary Answer: period, frequency, wavelength, amplitude, wave propagation

Wind strength, time, distance and water depth

5/1/2012 Day 6

• Do Now: What is the correct scientific notation of 2749000?

• Vocab.: Coriolis Effect - the effect of Earth’s rotation on the direction of winds and currents

• Summary: Each hypothesis should have an…

D.N. Answer: 2.749 x 10^6

Summary Answer: Each hypothesis should have an if, then and because.

5/2/2012 Day 1

• Do Now: What is the correct scientific notation of .00086203?

• Vocab.: upwelling - ocean water moves from the deep sea to the ocean surface bringing with it nutrients

• Summary: To measure mass you use a…

D.N. Answer: 8.6203 x 10^-4

Summary Answer: To measure mass you use a triple beam balance.

5/3/2012 Day 2

• Do Now: What is the correct standard notation of 8.79 x 10^-4?

• Vocab.: salinity – the amount of salt in water

• Summary: The three states of matter are…

D.N. Answer: 0.000879

Summary Answer: The three states of matter are solid, liquid and gas.

5/4/2012 Day 3

• Do Now: What is the correct standard notation of 3.456 x 10^6?

• Vocab.: bathymetry – mapping of the depth of a depression

• Summary: The least dense state of matter is…

D.N. Answer: 3,456,000

Summary Answer: The least dense state of matter is a gas.

5/7/2012 Day 4

• Do Now: How many liters are in a kiloliter?

• Vocab.: gyre – a circular or spiral motion

• Summary: The state of matter with the least energy is…

D.N. Answer: 1000 L

Summary Answer: The state of matter with the least energy is a solid.

5/8/2012 Day 5

• Do Now: What is the metric base unit for mass?

• Vocab.: hydrothermal - relating to the heat energy produced by warm water

• Summary: The three subatomic particles of an atom are…

D.N. Answer: gram

Summary Answer: The three subatomic particles of an atom are a proton, electron and neutron.

5/9/2012 Day 6

• Do Now: How many millimeters are in 10 kilometers?

• Vocab.: barometer – instrument used to measure the weight of air in the atmosphere

• Summary: The charges of the three subatomic particles are…

D.N. Answer: 10,000,000 mm

Summary Answer: The charges of the three subatomic particles are protons are positive, neutrons are neutral and electrons are negative.

5/10/2012 Day 1

• Do Now: How many grams are in 70 centigrams?

• Vocab.: anemometer – instrument used to measure the movement of air in the atmosphere

• Summary: An atom is neutral if…

D.N. Answer: 0.7 g

Summary Answer: An atom is neutral if the protons equal the electrons.

5/11/2012 Day 2

• Do Now: What is the correct equation for density?

• Vocab.: psychrometer – instrument used to measure the amount of water vapor in the air

• Summary: A molecule consists of…

D.N. Answer: d=m/v

Summary Answer: A molecule consists of more than one atom.

5/14/2012 Day 3

• Do Now: What is the density of a sample of gold with a mass of 54 g and a volume of 3 cm^3?

• Vocab.: cumulus - puffy clouds that sometimes look like pieces of floating, cotton, lie in the middle of the troposphere

• Summary: The layer of the atmosphere that contains the ozone layer is the…

D.N. Answer: 18 g/cm^3

Summary Answer: The layer of the atmosphere that contains the ozone layer is the stratosphere

5/15/2012 Day 4

• Do Now: If you have a cube whose sides measure 4 cm in length, what is the volume?

• Vocab.: cirrus - thin clouds with wispy strands, high in the troposphere

• Summary: In the troposphere, as altitude increases…

D.N. Answer: 64 cm^3

Summary Answer: In the troposphere, as altitude increases air pressure, density and temperature decrease.

5/16/2012 Day 5

• Do Now: If your arm is 25 cm long, and there are 2.5 cm in an inch, how many feet long is your arm? (12 inches=1 foot)

• Vocab.: stratus - horizontal cloud with a uniform base, low lying in the troposphere

• Summary: The periodic table shows all of the known…

D.N. Answer: 25/2.5=10 inches

10 in./12 in. = 5/6 ft.

Summary Answer: The periodic table shows all of the known elements.

5/17/2012 Day 6

• Do Now: What is the temperature in degrees Celsius when a room thermometer reads 77°F?

• Vocab.: marine – relating to a body of water and bringing humid air

• Summary: When a substance changes from a liquid to a gas the phase change is called…

D.N. Answer: *C=5/9(*F-32)

*C=5/9(77-32)

=5/9(45)

=5(5)

=25 *CSummary Answer: When a substance

changes from a liquid to a gas the phase change is called evaporation.

5/18/2012 Day 1

• Do Now: In an experiment where you measure if boys or girls can run the 40 m dash the fastest, your dependent variable would be?

• Vocab.: tropical – relating to near the equator and bringing warm air

• Summary: When a substance changes from a solid directly to a gas the phase change is called…

D.N. Answer: boys or girls

Summary Answer: When a substance changes from a solid directly to a gas the phase change is called sublimation.

5/21/2012 Day 2

• Do Now: Why does the moon have phases?

• Vocab.: polar – relating to the extreme north or south and bringing cold air

• Summary: The strength of gravity is determined by…

D.N. Answer: the relative positions of the earth, moon and sun

Summary Answer: The strength of gravity is determined by distance and mass of the two objects.

5/22/2012 Day 3

• Do Now: Name the phase that the moon is in for each type of eclipse, lunar and solar:

• Vocab.: continental – relating to land and bringing dry air

• Summary: When a substance changes from a gas to a liquid the phase change is called…

D.N. Answer: Lunar – full moon

Solar - new moon

Summary Answer: When a substance changes from a gas to a liquid the phase change is called condensation.

5/23/2012 Day 4

• Do Now: Why is only one side of the moon visible from Earth?

• Vocab.: rotation - spinning on an axis

• Summary: The movement of Earth around the sun once a year is called Earth’s…

D.N. Answer: the moon rotates and revolves in the same period of time

Summary Answer: The movement of Earth around the sun once a year is called Earth’s revolution.

5/24/2012 Day 5

• Do Now: What is a factor that is not a reason for the seasons here on Earth?

• Vocab.: revolution - movement of an object around another object

• Summary: When Earth’s shadow falls on the moon, the shadow causes a…

D.N. Answer: earth’s rotation

Summary Answer: When Earth’s shadow falls on the moon, the shadow causes a lunar eclipse.

5/25/2012 Day 6

• Do Now: How many major plates are there in Earth’s crust?

• Vocab.: heliocentric - the theory that the sun is at the center of the solar system and the planets revolve around it.

• Summary: Continental crust is…

D.N. Answer: 12

Summary Answer: Continental crust is thick, buoyant and old.

5/29/2012 Day 1

• Do Now: What type of eclipse occurs when Earth’s umbra covers the moon?

• Vocab.: geocentric – the theory that the earth is at the center of the universe and all other celestial bodies revolve around it.

• Summary: The geologic time scale is subdivided into…

D.N. Answer: a partial lunar eclipse

Summary Answer: The geologic time scale is subdivided into eras and periods.

5/30/2012 Day 2

• Do Now: Light takes about 8 minutes and 20 seconds to travel from the sun to Earth, 150 million kilometers away. If Jupiter is 779 million kilometers away, how long does it take light to travel from the sun to Jupiter? (DO NOT COPY)

• Vocab.: solar eclipse - • Summary: The time it takes for half of a

radioactive element’s atoms to decay is a(n)…

D.N. Answer: 43 mins 20 s

Summary Answer: The time it takes for half of a radioactive element’s atoms to decay is a half-life.

5/31/2012 Day 3

• Do Now: EXAM PART 1

• Vocab.: lunar eclipse - when Earth blocks sunlight from reaching the moon

• Summary: I will remember…

D.N. Answer: EXAM PART 1

Summary Answer: your own

6/1/2012 Day 4

• Do Now: EXAM PART 2

• Vocab.: gravity -

• Summary: This class was…

D.N. Answer: EXAM PART 2

Summary Answer: your own