Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space. It can exist in different states, such as solid, liquid, and gas.

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What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties, such as baking a cake.

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, such as cutting a tomato.

Front

What happens during evaporation?

Back

During evaporation, particles leave the surface of a liquid and change into a gas, not a solid.

Front

What is a solution?

Back

A solution is a mixture where the components are evenly distributed and do not settle out, like saltwater.

Front

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

Back

A physical change does not create a new substance, while a chemical change results in the formation of new substances.

Front

Can matter change states?

Back

Yes, matter can change states (solid, liquid, gas) through processes like melting, freezing, condensation, and evaporation.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron.

Front

What is an example of a physical change?

Back

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

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.