Final Science SOL Review

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is the function of a diode?

Back

A diode is a semiconductor that allows current to flow in only one direction.

Front

What causes air circulation in the atmosphere?

Back

Air circulation is caused by the ground being heated by the sun, which then heats the air, causing it to rise.

Front

What does the metric prefix 'centi-' mean?

Back

The metric prefix 'centi-' means 0.01.

Front

What is the correct chemical formula for three hydrogen (H), one sulfur (S), and four oxygen (O)?

Back

The correct formula is H₃SO₄.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed from two or more elements chemically bonded, while a mixture is a physical combination of substances.

Front

What is the role of the sun in the water cycle?

Back

The sun heats water in rivers, lakes, and oceans, causing it to evaporate into the atmosphere.

Front

What is the formula for calculating density?

Back

Density is calculated using the formula: Density = Mass/Volume.