Feb 27 & 28
description
Transcript of Feb 27 & 28
![Page 1: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/1.jpg)
Feb 27 & 28 Homework Due
Read & Study Ch. 12. Write 5 things you learned and 5 questions you have
Tonight’s HW
Read & Study 12.1-12.4; do #1-7 p. 180 **Grade will be worth 5 points; ½ point per question and 1.5 points given to a randomly selected problem the teacher will grade on CORRECTNESS. Write full Q&A or include the Question in your Answer!**
Do Now Take a clicker… 5 minutes to find your Energy poster and decide if you want to…- Take it home- Throw it out- Or hang it up
o If you wish to display your poster in the class, please borrow masking tape from Ms. Bones and display it NEATLY in the room in a place that does not cause a safety hazard or disrupt normal student learning!
o If you need to borrow tape/glue to repair any parts of your poster that may have been damaged due to group work, please see teacher.
![Page 2: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/2.jpg)
In your notes…• Reflect on this poem by Francis Thompson:
All thingsby immortal powernear or farto each otherhiddenly linked are.That thou cans't not stir a flowerwithout troubling a star.
• What do you think this means? Interpret the poem in your own words by writing your thoughts in your notes.
![Page 3: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/3.jpg)
Gravity…• Is difficult to measure in everyday life• Is something we take for granted• Is the one of the 4 fundamental forces :• gravity, • electro-magnetism, • strong nuclear forces (which hold the nucleus
together)• weak nuclear forces (involved with radioactive
decay weak nuclear forces: are involved with carbon dating, are a source of radioactivity, etc..)
![Page 4: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/4.jpg)
Which is the WEAKEST of the 4 forces?
1 2 3 4
0% 0%0%0%
1. Strong Nuclear Force
2. Weak Nuclear Force
3. Electromagnetic Force
4. Gravity
Countdown
10
![Page 5: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/5.jpg)
TRUE or FALSE: The Moon has no gravity.
1 2 3 4
0% 0%0%0%
1. True2. False3. Not enough
information to say
4. I’m not really sure
Countdown
10
![Page 6: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/6.jpg)
TRUE or FALSE: Planets with thin atmospheres have little gravity
1 2 3 4
0% 0%0%0%
1. True2. False3. Not enough
information to say
4. I’m not really sure
Countdown
10
![Page 7: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/7.jpg)
TRUE or FALSE: Planets distant from the Sun have less gravity than Earth
1 2 3 4
0% 0%0%0%
1. True2. False3. Not enough
information to say
4. I’m not really sure
Countdown
10
![Page 8: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/8.jpg)
TRUE or FALSE: Space shuttle astronauts are weightless because there is no gravity above Earth
1 2 3 4
0% 0%0%0%
1. True2. False3. Not enough
information to say
4. I’m not really sure
Countdown
10
![Page 9: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/9.jpg)
Google… • PHET Gravity and orbits• Click the first link• Run the simulation and complete the Lab
Activity Sheet. This is due next class for a grade – you will have about 20-30 minutes next class to finish working on this (10 points based on completion)
• There will also be a graded, individual, 30 point POST LAB next class to assess this lab activity.
![Page 10: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/10.jpg)
Action: Earth pulls moon. - What is the reaction?
- What is stronger – action, reaction, or same?
- What Law defends your answer?
![Page 11: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/11.jpg)
Action: Earth pulls moon.
What is stronger – action, reaction, or same?
1 2 3
0% 0%0%
1. Action(Earth pulls moon)
2. Reaction (moon pulls Earth)
3. Same!
![Page 12: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/12.jpg)
What law defends your answer?
1 2 3
0% 0%0%
1. 1st Law2. 2nd Law3. 3rd Law
![Page 13: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/13.jpg)
Choose the picture you think shows the gravity forces on the Earth and the Sun.
A. B. C. D. E.
0% 0% 0%0%0%
A. B. C. D. E.
![Page 14: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/14.jpg)
How would these gravity forces change if the Sun got more
massive?
A. B. C.
0% 0%0%
A. Increase
B. Decrease
C. Stay the same
![Page 15: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/15.jpg)
How would these gravity forces change if the Earth was much
closer to the Sun?
A. B. C.
0% 0%0%
A. Increase
B. Decrease
C. Stay the same
![Page 16: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/16.jpg)
How would these gravity forces change if the Earth got much less
massive?
A. B. C.
0% 0%0%
A. Increase
B. Decrease
C. Stay the same
![Page 17: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/17.jpg)
How would these gravity forces change if the Earth and Sun were
moved farther apart?
A. B. C.
0% 0%0%
A. Increase
B. Decrease
C. Stay the same
![Page 18: Feb 27 & 28](https://reader033.fdocuments.net/reader033/viewer/2022061612/5681658a550346895dd84e23/html5/thumbnails/18.jpg)
Choose the picture of how the Earth would move if you “turned off” the
gravity forces.
A. B. C. D. E.
0% 0% 0%0%0%
A. B. C. D. E.