KSA Science Review #1

Front

What percentage of Earth's water is saltwater?

Back

97% of Earth's water is saltwater.

Front

What percentage of Earth's water is freshwater?

Back

3% of Earth's water is freshwater.

Front

What is the largest reservoir of freshwater on Earth?

Back

77% of freshwater is frozen in glaciers and icecaps.

Front

What is the second largest reservoir of freshwater on Earth?

Back

22% of freshwater is groundwater.

Front

What is the term for the point on the surface of the Earth where an earthquake occurs?

Back

Epicenter.

Front

What is the term for the point within the Earth where an earthquake originates?

Back

Focus.

Front

What is an element?

Back

A substance with atoms that are all alike.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is the net force if there are 10 N to the right and 7 N to the left?

Back

3 N Right.

Front

In a solution, what is the substance that is being dissolved called?

Back

Solute.