SEEd 5.2.3-4 Changes in Matter

Front

What is a physical change?

Back

A physical change is a change in which the form or appearance of a substance changes, but its chemical composition remains the same.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What happens during crumpling?

Back

Crumpling is a physical change where an object is pressed or crushed, altering its shape without changing its chemical composition.

Front

What is dissolving?

Back

Dissolving is a process where a solid (solute) mixes with a liquid (solvent) to form a solution, which is a physical change.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is an example of a physical change?

Back

An example of a physical change is breaking a plate.

Front

What is an example of a chemical change?

Back

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

Front

What is the difference between a physical and chemical change?

Back

A physical change does not create new substances, while a chemical change does.

Front

What is melting?

Back

Melting is a physical change where a solid turns into a liquid when heated.

Front

What is an example of dissolving in everyday life?

Back

An example of dissolving is sugar dissolving in water.