ONE DIMENSIONAL MOTION

3. unit of distance used to measure Earth’s distance to the Sun
4. Greek letter that represents change in a quantity in physics
6. The moon has gravity but no air. (True or False)
10. Astronaut David _____ who did Galileo’s experiment on the moon during Apollo 15 mission
11. unit of time
13. change in velocity over time
15. distance between starting point of motion and endpoint
17. _____ maximum velocity an object in free-fall reaches
18. known for dropping boulders from the top of the leaning tower of Pisa
19. the value of g on Earth as it is falling is not positive, but _____
20. Air _____ is needed when a skydiver pulls their parachute open to slow them down
21. how fast something moves and in what direction
22. when an object falls without any kind of restrictions

1. Motion in one dimension is motion in one _____
2. unit used to measure speed
5. Drop a cat on the earth and a cat on the moon. The cat on the earth will accelerate _____.
7. We are _____ strong!
8. the measured path an object actually travels
9. on Earth, acceleration due to _____ is 9.8 ms^2
12. Delta x represents _____ displacement (horizontal or vertical?)
14. metric unit used to measure distance and displacement
16. Leaning tower of _____, where scientific legend claims a famous science experiment took place