BACK TO 8TH GRADE SCIENCE


TEST PREP


Physics Test Study Guide


NDMS 2/5


Pick an article from the links below. Read it and summarize it in 2-3 paragraphs (paragraphs are 4-5 sentences). Then find two other sources online that talk about your topic and explain (in one paragraph each) how they are the same and how they are different than your article.

Supersonic Splash
Road Bumps
A New Basketball Gets Slick


ODMS 1/19

Signature Motion Project

- We are starting a project that will use only one set of data.
- With this set of data, you will do many things.
- This is an individual project.
- The first thing that you are going to do is take pictures of this motion using the object of your choice.
- Using the measurements from the handout that you received, start taking photos of your object.
- The measurements given are distances from a reference point. Positive distances will mean that your are moving in one direction and negative will mean the opposite.
- Ideally, you should have all your pictures done today.

TIPS & TRICKS:
1. Do not move your computer, only move the object.
2. Keep the object roughly the same distance from the computer so that the motion is easy to see.
3. Pick a fun object. 30 pictures of a pen will be really boring.
4. Before you start taking pictures, make sure all your pictures will fit in the field of view (make sure the highest and lowest number show up in the picture).
5. Re-name your picture immediately so that you do not get confused later.


ODMS 12/17

Newton's 3 laws


Click though the animation below and take detailed notes. DO NOT TAKE THE QUIZ, two of the questions are programmed incorrectly and will tell you that you are incorrect when you are not. When you are done, write a summary of your notes AND give an example of when all three of Newton's Laws were at work in your day today.

click the link below if the animation will not work
http://science.discovery.com/interactives/literacy/newton/media/newtonfinal415.swf


ODMS 12/11 & NDMS 12/14


"Dropping the ball"
The following questions are all related to dropping a pen/pencil from about shoulder high.
1. What happens when you drop the pen/pencil?
2. Does it drop at a constant speed, or is it accelerating?
3. Why does the pen/pencil fall when it is dropped?
4. Is there any way to make the pen/pencil fall faster when it is dropped? (If yes, how? If no, why?)
5. What forces are acting on the pen/pencil as it is dropped? (List more than one)

"What goes up, must come down"
The following questions are all related to tossing a pen/pencil up in the air 3-4 feet
6. When you throw a pen/pencil up in the air, what happens?
7. What makes it go up?
8. Why does it stop and come back down?
9. Once the pen/pencil goes up and then stops, how does its motion differ from "dropping the ball"?
10. Does gravity pull the pen/pencil down, or push it down? Why do you say that?



ODMS 12/9 & NDMS 12/10


Your main assignment is to explain WHY the ball and cart move the way that they do in the following four signature motions. The questions below are to help guide your thinking as you are conducting your investigation.

  1. Speeding up: What happens to the ball when the cart speeds up, either from a stop or from a slower constant speed? Can you make the cart accelerate rapidly? Gradually? Do different things happen to the ball in these cases? Where does the ball move with respect to the table?
  2. Slowing down: What happens to the ball when the cart slows down from moving at a constant speed? Can you make the cart slow down rapidly? Gradually? Do different things happen to the ball in these two cases? Where does the ball move with respect to the table?
  3. Constant speed: What happens to the ball when the cart is moving at a constant speed? What happens if the cart is moving slowly? More quickly? (Note: You may need to hold the ball on the cart until you achieve the constant speed.) Where does the ball move with respect to the table?
  4. Crash: Crash your cart into a wall or something else that won't move, such as a pile of books. Try crashing the cart when it is moving at a low speed and a high speed, and see if there is any difference in what happens to the ball. Where does the ball move with respect to the table?


NDMS 12/4

Welcome to your first day of learning about physics. Physics is the study of matter and how it moves in our universe.

Read the article on THE FOUR MAJOR THEORIES OF MOTION and answer the following questions in complete sentences on a sheet of lined paper.

QUESTIONS

Aristotle
1. What did the Aristotelian theory of motion say?
2. Use this theory of motion to describe getting out of bed in the morning.

Newton
3. What did the Newtonian theory of motion say?
4. What concept is in this theory that is a big improvement over the Aristotelian theory?
5. Where is the weak point of the Newtonian theory?

6. Use this theory to explain why the moon orbits the earth.
Quantum
7. What does the theory of quantum mechanics say?
8. If the light coming from the sun is coming in small quanta (or packets), why don't we see it flashing?
9. Where is the only place that quantum effects can be observed?
10. Don't bother even trying to explain anything using this theory.

Relativity
10. What does the theory of relativity say?
11. What is the best way to summaries general relativity?
12. What theory is the best for explaining everyday motion?



If you finish early, work on the quizlet.