Test Review

Front

What is the hypothesis regarding the relationship between temperature and bacteria population?

Back

As the temperature increases, the population of bacteria will increase.

Front

What does the pH scale indicate about bleach?

Back

Bleach is a base.

Front

Through which medium does sound travel the fastest?

Back

Sound travels fastest through a solid.

Front

What is cell theory?

Back

Cell theory is a scientific explanation for the smallest unit that makes up all living things.

Front

Which statement is NOT part of cell theory?

Back

Opinions gathered from a website.

Front

What happens to a substance when energy is added to it?

Back

A change of state may occur, such as liquid to gas.

Front

What is the result of adding heat to a solid?

Back

It may change to a liquid.

Front

What is the result of removing heat from a gas?

Back

It may change to a liquid.

Front

What is the definition of a base in terms of pH?

Back

A base is a substance that has a pH greater than 7.

Front

What is the definition of an acid in terms of pH?

Back

An acid is a substance that has a pH less than 7.