8 th Grade Science

1. 8th Grade Science Do Now Monday, February 25, 2013 Make the weekly Do Now on page ___. 1. List 3 examples of an object in motion. Example: A student walking down the hallway. 2. Describe what causes the object to move.

2. 8th Grade Science Today’s Schedule Monday, February 25, 2013 Do Now Blow Dryer Mini-Lab Watch “Boom” video Nature Walk Essential Question Vocabulary How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Unbalanced Force Balanced Force Motion

3. 8th Grade Science Today we will… Monday, February 25, 2013 8.6(A) demonstrate and calculate how unbalanced forces change the speed or direction of an object’s motion Objective: Students will be able to identify the effects of motion caused by unbalanced forces.

4. 8th Grade Science Blow Dryer Mini-Lab Monday, February 25, 2013 On page __, draw the table below.

5. 8th Grade Science Blow Dryer Mini-Lab Monday, February 25, 2013 • Answer the following questions on page __. • Describe the differences you saw between each trial. • List one balanced and one unbalanced force you saw. • What would happen if there were no balanced forces? Why?

6. 8th Grade Science Video Monday, February 25, 2013 “Here Comes the Boom”

7. 8th Grade Science Do Now Tuesday, February 26, 2013 Is gravity a balanced or unbalanced force? Why or why not?

8. 8th Grade Science Today’s Schedule Tuesday, February 26, 2013 Do Now Practice Problems Review “Boom” Video Exit Ticket Essential Question Vocabulary How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Unbalanced Force Balanced Force Motion

9. 8th Grade Science Today we will… Tuesday, February 26, 2013 8.6(A) demonstrate and calculate how unbalanced forces change the speed or direction of an object’s motion Objective: Identify balanced and unbalanced forces and variables that can change them.

10. 8th Grade Science Practice Problems Tuesday, February 26, 2013 20 N 20 N What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right)

11. What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right) 8th Grade Science Practice Problems Tuesday, February 26, 2013 30 N 20 N

12. What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right) 8th Grade Science Practice Problems Tuesday, February 26, 2013 10 N 20 N

13. What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right) 8th Grade Science Practice Problems Tuesday, February 26, 2013 30 N 20 N

14. What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right) 8th Grade Science Practice Problems Tuesday, February 26, 2013 30 N 30 N

15. 8th Grade Science Jump Rope Demo Tuesday, February 26, 2013 When is the rope balanced? When is the rope not balanced?

16. 8th Grade Science Review Video Tuesday, February 26, 2013 “Here Comes the Boom”

17. 8th Grade Science Exit Ticket Tuesday, February 26, 2013 List a similarity and difference between an unbalanced and balanced force.

18. 8th Grade Science Do Now Wednesday/Thursday, February 27/28, 2013 Draw a picture of you walking to class. Then draw 3 arrows showing balanced and unbalanced forces.

19. 8th Grade Science Today’s Schedule Wednesday/Thursday, February 27/28, 2013 Do Now Build Rockets Essential Question Vocabulary How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Unbalanced Force Balanced Force Motion

20. 8th Grade Science Today we will… Wednesday/Thursday, February 27/28, 2013 8.6(A) demonstrate and calculate how unbalanced forces change the speed or direction of an object’s motion Objective: Build rockets

21. 8th Grade Science Build Rockets Wednesday/Thursday, February 27/28, 2013

22. On page __, answer the following. What is the net force? Are the forces balanced or unbalanced? Describe the motion of the object. (none, accelerate to left, accelerate to right) 8th Grade Science Do Now Friday, March 1, 2013 10 N 5 N

23. 8th Grade Science Today’s Schedule Friday, March 1, 2013 Do Now Tug-of-War Questions Essential Question Vocabulary How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Unbalanced Force Balanced Force Motion

24. 8th Grade Science Today we will… Friday, March 1, 2013 8.6(A) demonstrate and calculate how unbalanced forces change the speed or direction of an object’s motion Objective: Students will demonstrate balanced and unbalanced forces.

25. 8th Grade Science Tug-of-War Friday, March 1, 2013

26. 8th Grade Science Questions Friday, March 1, 2013 • Answer the following questions on page __. • Describe the tug-of-war trials using the words: balanced force, unbalanced force, and motion. • Describe an example where there was an unbalanced force. How did you know it was unbalanced? • Draw a picture of a trial where the forces were unbalanced with arrows showing the direction of the forces. • Draw a picture of a trial where the forces were balanced with arrows showing the direction of the forces.