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5. 
What two things affect the strength of the force of gravity?
the mass of the object and its distance from Earth
the mass of the object and its distance from the sun
the shape of the object and its distance from Earth
the size of the object and its distance from the moon

6. 
Select the object that has the greatest force of gravity.
a banana
a feather
a spider
a truck

7. 
Where would the force of gravity on an apple be the least?
in an airplane above the clouds
on a boat in the ocean
in a tree
on top of a building

8. 
If a soccer ball and a rock are the same size, why is it harder to carry the rock up a mountain?
The rock has a lighter mass, so gravity is weaker.
The rock has a lighter mass, so gravity is stronger.
The rock has a heavier mass, so gravity is weaker.
The rock has a heavier mass, so gravity is stronger.

9. 
What object do you predict has a greater force of gravity?
ball
pencil
airplane
watermelon

10. 
When you drop an apple and an anchor, the force of gravity is different because ________.
the apple has less mass than the anchor
the anchor has less mass than the apple
the apple has more mass than the anchor
the anchor has the same mass as the apple