Vocabulary: (Underlined words are links to activities, movies, or definitions.)
1. motion - A change in position.
2. force - A push or a pull, such as the one that moves a lever.
3. distance - The length between two places.
4. speed - How fast an object moves over a certain distance.
5. gravity - A pulling force between two objects, such as Earth and you.
6. work - The force that changes the motion of an object.
7. friction - A force that occurs when one object rubs against another.
8. push -
9. pull -
10. weight - The measure of the pull of gravity between an object and Earth.
11. mass - The amount of matter in an object.
12. lever - A straight bar that moves on a fixed point.
13. magnets - A device that attracts iron and steel and produces a magnetic field.
14. positive -
15. negative -
16 pulley - A simple machine that uses a wheel and a rope.
17. wheel and axle - A wheel that turns on a post.
18. screw - An inclined plane wrapped into a spiral.
19. wedge - Two inclined planes placed back-to-back.
20. inclined plane - A flat surface that is raised at one end.
Helpful links:
2. Gravity
4. How to Explain Gravity to a Child
5. Brainpop on Simple Machines
8. Gravity, Stretching and Compression
10. Magnetism Game
Games for Motion Practice
* Parkworld Plot - Simulation game and learn about force.
3. Pushes and Pulls, Big and Small
4. Soccer Ball
More Fun:
Roller Coaster Builder - Gravity Game
Gravity Launch - Gravity Game
Break it Down - Simple Machines Game
Cuckoo's Clockworks - Simple Machine Games and Exploration
Force Me To Rap
Force and Motion
Forces and Motion: Newton's Law of Inertia
Wacky Scientists Gravity