Physical Science: Matter/Energy: EOG

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What happens when a new substance forms?

Back

A chemical reaction occurs, resulting in a substance with different properties.

Front

What is evaporation?

Back

Evaporation is the process where liquid water turns into water vapor.

Front

What is condensation?

Back

Condensation is the process where water vapor cools and turns back into liquid water.

Front

What causes rust on iron?

Back

Rust is caused by a chemical reaction between iron, oxygen, and moisture.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.

Front

How does heat affect gas in a balloon?

Back

Heating the gas causes it to expand, making the balloon larger.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances with different properties.