Energy, Force, and Motion Review

1. Energy, Force, and Motion Review

2. Which of these is moving in the direction of the pull of gravity? • A helium balloon rising into the sky • A rollercoaster going down a hill • An ice cube floating to the top of a glass of water

3. When an object is placed in the water, it would move • Toward the force of the wind • Away from the force of the wind • It would not move at all

4. A push or a pull changes an objects -- • Motion • Weight • Temperature • Size

5. A push can be used to do all of the following EXCEPT -- • Boil some water • Throwing a ball • Moving a chair

6. Which item do you need the most force to pick up? • Tennis ball • Marble • Beach ball • Bowling ball

7. Like (same) poles on a magnet are attracted to each other • True • False

8. What happens when you hammer a nail? • You are pushing the nail into the wood. • You are spinning the hammer to move it. • You are making the nail lighter to push it. • You are pulling the nail into the wood.

9. You kick a ball. This is an example of: • Motion caused by gravity • Motion caused by magnetism • Motion caused by physical force

10. Work DOES NOT require movement • True • False

11. Why does it require less force to throw a paper plane than a baseball? • Because the paper plane is heavier than the baseball • Because the paper plane is lighter than the baseball • Because the paper plane is not round and the baseball is • Because the paper plane is bigger than the baseball

12. What happens when two magnets are attracted to each other? • Their magnetic fields get bigger • They come closer together • They push away from each other • They point to the North Pole

13. All of the actions below would be able to move a book EXCEPT -- • Standing on top of the book • Kicking the book across the floor • Pulling a rug that the book is on • Pushing the book off a table

14. Which activity uses a pull? • Pressing a button on a phone • Stapling some papers together • Knocking over a glass of milk • Picking a flower in a garden

15. The two poles on a magnet are north and south • True • False

16. When you toss a ball into the air, gravity will pull the ball -- • To the right • Toward the ceiling • Toward the floor • To the left

17. Which of these choices shows the relationship between the direction of force and the direction of motion • Direction of Force Direction of motion • Direction of Force Direction of motion • Direction of Force Direction of motion

18. Magnetic forces CAN move objects • True • False

19. Why might a ball move across the floor? • The ball is made of rubber • Someone pushed the ball • The ball is heavy • Light was shining on the ball

20. Which object will a magnet attract? • Paper • Nail • Plastic water bottle • eraser

21. Gravity DOES NOT keep Earth and all the other planets in orbit around the Sun • True • False