M.C.Q
1. How can an apple pull the Earth toward it?
* Apples are very strong and good for your health
* All matter exerts the force of gravity on other matter
* An apple cannot pull the Earth toward it, since it is so small
2. Why does an object weight less on the Moon?
* It has less mass on the Moon
* There is no atmosphere on the Moon
* The force of gravity is less on the Moon
3. Why don't the planets fall into the Sun?
* They have enough speed to keep them in orbit
* They do, but we just don't notice it
* The force of gravity pushes the planets away from the Sun
***If you got all three correct, you are on your way to becoming a Champion in Physical Science. If you had problems, you had better look over the material again.