1. Bellwork: Unit 2-3-Forces and Motion, and Gravity
Physical Science

2. 09/08/2015
Review your study guide.

3. 09/10-11/2015
How do you determine if an object is motion?

4. 09/11/2015
How do you calculate speed? How long will it take a cyclist to travel 400 m in 10 s?

5. 09/15/2015
Explain the difference between average speed and instantaneous speed?

6. 09/16-17/2015
How do you graph motion?

7. 09/18/2015
What is the jogger’s average speed?

8. 09/21/2015
What is force?

9. 09/22/2015
Describe the three contact forces.

10. 09/23-24/2015
Which surface would provide the greatest amount of friction? The least amount? Why?

11. 09/25/2015
Describe the forces acting at a distance.

12. 09/28/2015
Describe the factors that affect gravity.

13. 09/29/2015
Explain the Universal Law of Gravitation.

14. 09/30-10/01/2015
Explain the difference between mass and weight.

15. 10/02/2015
Explain the difference in balanced and unbalanced forces.

16. 10/05/2015
What is the net force on the soccer ball?

17. 10/06/2015
You pull on your dog’s leash to the right with a 12 N force. Your dog pulls to the left with a 6 N force. Sketch this situation, including labeled force arrows. What is the net force on the leash?

18. 10/07-08/2015
Create a Venn diagram that compares Newton’s three laws of motion.

19. 10/09/2015
Why is it important to wear a seatbelt while riding in a car? Explain your answer using Newton’s laws of motion.

20. 10/12/2015
Review your study guide.

21. 10/13/2015
Who will win the tug of war? Explain using Newton’s laws of motion.

22. 10/14-15/2015
Review your study guide.

23. 10/16/2015
Explain the Law of Conservation of Energy.