3rd Grade Quarter 1 CFA

Front

What property do a baseball and a globe have in common?

Back

Shape

Front

Where is the strongest force of magnetism in the electromagnetic spectrum?

Back

The North and South poles of the nail

Front

What tool can be used to separate a mixture of iron and salt?

Back

Refrigerator magnet

Front

What happens to water particles when water is heated?

Back

The space between them becomes greater.

Front

Which magnet is predicted to produce the most electric current in an experiment?

Back

Magnet N

Front

What is the definition of magnetism?

Back

Magnetism is a force that can attract or repel certain materials, like iron.

Front

What is an example of a mixture?

Back

Salt and iron filings.

Front

What happens to the particles in a solid when it is heated?

Back

They vibrate faster and may change to a liquid.

Front

What is the role of coils in generating electric current?

Back

Coils help to increase the magnetic field, which can produce more electric current.

Front

What is the definition of an experiment?

Back

An experiment is a test conducted to discover or demonstrate something.