Science Unit 3 Quiz
When an apple fell from the tree on his head, Isaac Newton discovered
Magnetism.
Gravity.
Friction.
Pushing a supermarket cart is
A non-contact force.
A contact force
Friction happens when one object rubs against another object. Which one of the following is an example of friction?
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A force can make something move.
True
False
Magnets can push and pull an object. This pushing and pulling of an object is an invisible force called...
Gravity.
Friction.
Magnetism.
Non-contact force.
Check the objects that have magnets on it.
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Gravity is
A non-contact force.
A contact force.
When you jump your body comes back to the ground. Why is that?
Because of friction.
Because of gravity.
Because of magnetism.
Which of the following sentences is wrong?
Gravity is a non-contact, invisible force that pulls things toward it.
The Earth’s gravity keeps everything from floating into space.
Gravity is a contact, invisible force that pulls things towards it.
Anything that has mass is affected by gravity.
When you are playing a game of Tug Of War, you are
Pushing.
Pulling.
Pressing a door bell is an example of:
Pushing.
Pulling.
Some magnets are rocks found in nature. True or false?
True
False
Magnets attract all types of metals.
True
False
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