5th Grade Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include cutting, bending, or dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It often involves a reaction where bonds are broken and formed, such as rusting or burning.

Front

What are some clues that a chemical change has occurred?

Back

Clues that a chemical change has occurred include color change, production of gas (bubbles), formation of a precipitate, and temperature change.

Front

Which of the following is NOT a clue that a chemical change has occurred?

Back

Change of state of matter is NOT a clue that a chemical change has occurred.

Front

Is cutting an apple into slices a physical change or a chemical change?

Back

Cutting an apple into slices is an example of a physical change.

Front

What happens when baking soda and vinegar are mixed?

Back

When baking soda and vinegar are mixed, a chemical change occurs, producing carbon dioxide gas, which causes bubbling.

Front

What is condensation?

Back

Condensation is the process by which water vapor in the air cools and changes into liquid water, often seen as droplets on cold surfaces.

Front

Which is NOT an example of condensation?

Back

A bucket of water left uncovered eventually becomes empty is NOT an example of condensation.

Front

Why do drops of water form on the outside of a cold glass?

Back

Drops of water form on the outside of a cold glass because the temperature of the water inside the glass is colder than the air outside, causing condensation.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.