Science CCA #5 Review

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical circuit through which current can flow without interruption.

Front

What is an open circuit?

Back

An open circuit is a broken circuit where the current cannot flow due to a gap or break in the path.

Front

What happens to a light bulb in a circuit if one bulb burns out in a series circuit?

Back

If one bulb burns out in a series circuit, all the bulbs will go out because the circuit is broken.

Front

What is density?

Back

Density is the mass of an object divided by its volume, and it does not change with the amount of matter.

Front

What is the role of a switch in a circuit?

Back

A switch controls the flow of electricity in a circuit by opening (turning off) or closing (turning on) the circuit.

Front

What happens to solar panels at night?

Back

Solar panels lose heat and stop producing electricity when there is no sunlight.

Front

What is the function of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.

Front

What are physical properties of matter?

Back

Physical properties are characteristics of matter that can be observed or measured without changing the substance, such as color, mass, and volume.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is a solar cell?

Back

A solar cell is a device that converts light energy from the sun into electrical energy.