Science Worksheets for Grade 6: Observing The Force of Gravity

OBSERVING THE FORCE OF GRAVITY
Problem: Does weight affect how fast the object falls?

Materials: 

• ball (plastic and metal balls)
• platform balance
• notebook
• eraser

Procedure:

1. Measure the mass of the different objects. Record it below.
2. Get two different balls. One in each hand at the same height. Stand and stretch your arms in front of you at the shoulder height.
3. Drop the two balls at the exactly the same time and listen for them to hit the floor. Record your result.
4. Repeat steps 2 and 3 three times to be sure that your observation are accurate.
5. Do the activity using a pencil and an eraser. Record your observations.

What have you found out:
1. Which ball consistently hits the floor first?
2. When you  dropped different objects, which hits the floor first-the lighter or the heavier one? Why?
3. What force acts on the objects as they fall on the floor?
4. How is the mass of an object related to the gravitational force of attraction?

Conclusion:
How is gravitational force related to the mass of an object?

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Credits: Arcelle Yuan