Forces and Motion

How can you create a magnetic field?

• stringing many magnets together
• plugging a refrigerator magnet into an electric socket
• rubbing a piece of glass against a piece of wool
• running a current through a wire

A type of force that is produced by a magnet is called ______.

• motion
• gravity
• friction
• magnetism

The force that causes objects with mass to attract to one another is called ______.

• gravity
• friction
• motion
• push

To use force to cause something to move closer is called _____.

• push
• pull
• direction
• position

A type of force that resists the motion of two surfaces sliding across one another is _____.

• magnetism
• friction
• push
• pull

How does the sun's gravity compare to the earth's gravity?

• the sun's gravity is stronger
• the earth's gravity is stronger
• their gravitational pull is the same
• scientist's aren't able to measure the sun's gravity

What is force?

• a type of energy
• an anchor
• a push or pull that causes an object to move, stop or change direction
• not here

Which of the following metals can be magnetized? 

• lead
• iron
• copper
• silver

What is true about all forces?

• they are unbalanced
• they involve more than one object
• they cause objects to move
• they cancel each other out

What does a magnetic field look like?

• A series of white dotted lines
• it's invisible
• a clear piece of plastic or glass
• a shimmering area in the air