A. Write the correct answer. Choose your answer from the box



1.newton’s first law of motion states that when an object is set in motion , it will remain in motion until acted on by_____________

2.Rollers, wheels , and, bearings _____________ friction.

3. The greater The objects mass, the __________ gravity it exerts.

4. The __________ pulls the water from the oceans to make the tide

5. A ____________ is a heavenly body that keeps all the planets in orbit with its gravity

6. A ____________ is a person who is specially trained to travel into outer space

7. The ___________ measures how much matter is in a body or object

8. The astronauts appear to float in space because of ____________ inside the spaceship

9. The __________ is there a resistance to motion that is in the opposite direction of the traveling object

10. The unit used the measure mass is ________