Chapter 3 The Rock and Fossil Record Z A P !. 12345678910 11121314151617181920 21222324252627282930...
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Transcript of Chapter 3 The Rock and Fossil Record Z A P !. 12345678910 11121314151617181920 21222324252627282930...
Chapter 3The Rock and Fossil
RecordZAP!
1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 3031 32 33 34 35 36 37 38 39 4041 42 43 44 45 46 47 48 49 5051 52 53 54 55 56 57 58 59 6061 62 63 64 65 66 67 68 69 7071 72 73 74 75 76 77 78 79 8081 82 83 84 85 86 87 88 89 9091 92 93 94 95 96 97 98 99 100
Speed in a given direction is known as
Velocity
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STEAL ONE!
4Return
This is the unit for force
Newton
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STEAL TWO!
6
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MOTION
• An objects change in position over time is known as
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The rate at which velocity changes over time is known as:
Acceleration
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Combination of all the forces acting on an object
Net Force
9
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LOSE A TURN
10
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11
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This the distance an object travels divided by the time it takes to travel that distance.
Speed
A push or pull
ForceReturn
?
13
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ZAP!
This is the difference between balanced and unbalanced forces.
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Balanced – 0N (not moving)Unbalanced >0N (moving)
Force that opposes motion
___FRICTION_____
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GIVE ONE!!!
16
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What is kinetic friction?
Friction in motionReturn
Gravitational force depends on these 2 things:
Mass and DistanceReturn
Choose one player that’s NOT on your
team and put him or her ON your team!!
19
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These are the 4 types of friction:
Rolling, SlidingStatic, Fluid
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What are 3 things you could use to reduce the amount of friction?
Lubricants, rolling, smooth surface
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STEAL THREE!
22
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• When does the gravity between 2 objects increase?
Increase mass or decrease distance
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STEAL ONE!
24Return
When does static friction occur?
When a force is applied but there is no motion
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This is known as the force of attraction between objects due to their masses.
Gravity Return
GIVE ONE!!!
27
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What is the measure of the gravitational force on an object?
WeightReturn
GIVE ONE!!!
29
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How are mass and weight different? (3 ways)
Units ToolLocation Return
Choose one player that’s NOT on your
team and put him or her ON your team!!
31
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The acceleration due to gravity is equal to this variable.
9.8 m/s2
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GIVE ONE!!!
33
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This is produced by the vibrations of electrically charged particles.
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Light Energy
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This is the energy that comes from changes in the nucleus of an atom
Nuclear
GIVE ONE!!!
36
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This is when an objects air resistance is equal to its force of gravity.
Terminal Velocity
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GIVE TWO!!!
38
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This person believed that the rate at which an object falls does not depend on its mass.
Galileo Return
LOSE A TURN
40
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These are the 2 motions involved in projectile motion.
Horizontal and Vertical
Why do you have to aim above the target when playing darts?
In projectile motion, gravity will pull the object down.
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STEAL ONE!
43Return
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This is when free fall occurs.
Only the force of gravity is acting on an object.
In projectile motion, this motion is constant.
Horizontal Return
STEAL TWO!
46
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TRUE
Orbiting objects are in free fall? True or false?
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GIVE ONE!!!
48
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In projectile motion, why does the object increase vertically?
Force of gravity
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Acceleration due to gravity on Earth is __9.8 m/s2______
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GIVE ONE!!!
51
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_____kinetic energy___ is the energy of all motion.
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STEAL ONE!
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?
54
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ZAP!
______Galileo_____________ argued with Aristotle's theory of gravity.
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?
56
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ZAP!
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ZAP!
• Acceleration depends on force and __mass____
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_________Mechanical Energy__is the total of potential and kinetic energy.
59
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LOSE A TURN
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As the speed of falling object ________increases__________ the air resistance increases.
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STEAL TWO!
62
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________ENERGY______ is the ability to do work.
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• Intrusions are younger than the layers they cut across
Air resistance depends on shape, size, and _____speed______________
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?
65
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ZAP!
The formula for Kinetic Energy is
KE= mv2/2
66Return
This is the constant velocity of a falling object when the force of air resistance is equal to the force of
gravity .
Terminal velocity
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Free fall can only occurSpace or vacuum ??
68
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GIVE ONE!!!
69
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Plants change _____energy into chemical energy.
Light
70
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LOSE A TURN
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??
72
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Momentum is mass x _velocity_
?
73
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ZAP!
The formula for gravitational potential energy is
GPE= weight x height ORGPE = m x g x h
??
74Return
75
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In photosynthesis ___________ energy is used to make new substances.
Light ??
?
76
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ZAP!
In _____FISSION______ an atom is split into two
smaller nuclei.
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STEAL ONE!
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When you wind an elastic band on a toy airplane it has ______________ energy.
Elastic Potential energy ??
79
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Centripetal force is an unbalanced force that
causes objects to travel in a circular path
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STEAL TWO!
81
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______________ is the curved path an object follows when thrown near the surface of Earth.
Projectile Motion ??
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LOSE A TURN
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The ____________________ states that any time objects collide, the total amount of momentum stays the same.
The law of conservation of momentum
??
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_____________ is the resistance of an object to move.
Inertia
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STEAL ONE!
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Pushing off the wall of a swimming pool will propel you backwards, this is an example of Newton’s ____________ Law
3rd??
87Return
GIVE ONE!!!
88
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Whenever one force exerts a force on a second object, the second object exerts an equal and ________opposite________ force on the first.
89Return
Choose one player that’s NOT on your
team and put him or her ON your team!!
90
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??
This is a change from one energy form to anotherEnergy Conversion
LOSE A TURN
92
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A moving car has ___kinetic_________ energy.
93
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STEAL ONE!
94Return
An example of mechanical energy is
a roller coaster, etc
??
95Return
LOSE A TURN
96
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Your body uses chemical energy in food to make ______potential_______ energy.
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98
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Objects fall to Earth at the same rate because the ______________ is the same for all objects.
Acceleration due to gravity
__Thermal Energy__ is all the energy due to random motion of particles that make up an object.
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__Chemical__ is the energy of a compound that changes as its atoms are rearranged.
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___Electrical__ is the energy of moving electrons.
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___sound energy_ is caused by an objects vibrations.
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