2Q Sci CFA Review

Front

What happens to a metal spoon when stirred in hot chocolate?

Back

The spoon gets hot.

Front

What is the main source of current (power) in a circuit?

Back

Battery.

Front

What factor should be considered in a magnet investigation?

Back

Size of the magnets.

Front

What is an example of energy transfer?

Back

When a bowling ball hits the pins, sound is produced.

Front

If 250 grams of iron and sand are separated and the sand is 150 grams, what is the mass of the iron?

Back

100 grams.

Front

What is energy?

Back

The ability to do work or cause change.

Front

What is magnetism?

Back

A force that can attract or repel certain materials.

Front

What is the definition of mass?

Back

The amount of matter in an object.

Front

What is a circuit?

Back

A closed path through which electric current flows.

Front

What is the role of a battery in a circuit?

Back

It provides the electrical energy needed to power the circuit.