5th Grade Review

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, often involving heat.

Front

What is an observation in science?

Back

An observation is a statement based on what you see, hear, or measure, often used to gather data.

Front

What happens to salt when it is added to hot water?

Back

Salt dissolves faster in hot water than in cold water.

Front

What does high air pressure indicate about the weather?

Back

High air pressure typically indicates sunny weather.

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or controlled in a scientific experiment.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment.

Front

What is the purpose of a control in an experiment?

Back

A control is used as a standard for comparison to ensure that the results are due to the independent variable.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Baking a cake is an example of a chemical change.