1. Force, Motion, and Energy
7th Grade Science
Force, Motion, and Energy

2. #1 What is Geotropism A: B: C: D:
Pressure exerted on a plant cell wall by water passing into the cell
An outgrowth on the surface of a plant A: B:
Downward growth of plants due to the force of gravity C: D:
None of these

3. C. Downward growth of plants due to the force of gravity

4. How do seedlings break through the soil to come up?#2
How do seedlings break through
the soil to come up?
Through the use of force to provide energy
Through the use of energy to apply force A: B:
Through the use of soil to create force C: D:
None of these

5. B. Through the use of energy to apply force

6. #3
The pressure exerted on a plant cell wall by water passing into the cell
Turgor Pressure A: B:
Geotropism
Emergence C: D:
None of these

7. A. Turgor Pressure

8. Why is the sun important to all living#4
Why is the sun important to all living
organisms on Earth?
The sun provides the radiant energy needed by all living organisms to thrive
Living things do not always need light to live. A: B:
Light is needed for respiration C: D:
None of these

9. B. The sun provides the radiant energy needed by all living things to survive and thrive

10. Why do plants need light?#5
Why do plants need light?
Plants need light to produce their own food through photosynthesis
Plants need light to produce carbon dioxide A: B:
Plants don’t always need to light to survive C: D:
None of these

11. A. Plants need light to produce their own food through photosynthesis

12. What do plants do with the light They get from the sun?#6
What do plants do with the light
They get from the sun?
they store light in the plants vacuoles, but it is not used
They use light to create carbon dioxide A: B:
They use light for photosynthesis to produce their own food C: D:
None of these

13. C. They use light for photosynthesis to produce their own food

14. Trace the path of sunlight from Sun to deer.#7
Trace the path of sunlight from Sun to deer. A:
Sun – grass - deer B:
Grass – sun - deer C:
Deer – grass - sun D:
None of these

15. Sun – deer – grass
(Sun provides energy for grass to grow. Deer gets energy from sun by eating the grass)

16. What has happened when plants go limp after #8
What has happened when plants go limp after
standing upright for a long time?
The turgor pressure became weaker due to the lack of water
The sun’s energy decreased the turgor pressure in the plant A: B: C:
Both D:
None of these

17. A. The turgor pressure became weaker due to lack of water

18. #9 What is the independent variable? (Different in the two)
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is the independent variable? (Different in the two) A:
The ramp B:
The box C:
Both D:
None of these

19. A. The ramp

20. #10 What is the dependent variable? (What is measured)
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is the dependent variable? (What is measured) A:
The ramp B:
Amount of force needed C:
Both D:
None of these

21. B. Amount of force needed

22. #11 What is one constant factor? (The same in the two)
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is one constant factor? (The same in the two) A:
The ramp B:
The box C:
Both D:
None of these

23. B. The box

24. #12 What is a qualitative observation in this situation?
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is a qualitative observation in this situation? A:
A box is being lifted B:
The ramp is 3 meters long C:
Both D:
None of these

25. A. A box is being lifted

26. #13 What is a quantitative observation in this situation?
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is a quantitative observation in this situation? A:
A ramp is being used B:
The ramp is 3 meters long C:
Both D:
None of these

27. B. The ramp is 3 meters long

28. #14
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
What is the amount of work required to move the box in both situations? (Work = Force x Distance) A:
150j B:
50j C:
300j D:
None of these

29. A. 150j

30. #15
Students wanted to see if using a ramp would lessen the amount of work needed to load a box into a truck that is 1 meter off the ground.
It takes 150 N of force to lift the box without a ramp.
It takes 50 N of force to lift the box with a 3 meter ramp.
Did the ramp cause the student to use less work?
(Work = Force x Distance)
Yes
W = 150 x 1
W= 50 x 3
Both used 150j of work No
W = 150 x 1
W= 50 x 3
Both used 150j of work A: B: C:
Both D:
None of these

31. B. No
W = 150 x 1
W= 50 x 3
Both used 150j of work

32. What is your speed if you travel 114 km in 3 hours?
#16
Measure Speed
What is your speed if you travel 114 km in 3 hours?
Speed = Distance
Time A:
S = 38 km/hr B:
S = 38 hrs C:
S = 38 km D:
S = 3 km/hr

33. A. S = 38 km/hr

34. Which of these graphs shows a speed that is not changing
#17
Which of these graphs shows a speed that is not changing
(constant speed) A:
Graph B
Graph A B: C:
Graph C D:
None of these

35. C. Graph C

36. Great Job!!!!
Thank you for playing!