Matter Classification and Properties Flashcard

Front

What is a mixture?

Back

A mixture is two or more physically combined substances.

Front

Define a compound.

Back

A compound is two or more different elements chemically joined together.

Front

What type of change is chewing food?

Back

Chewing food represents a physical change.

Front

What type of change is the conversion of starch into sugars by enzymes?

Back

The conversion of starch into sugars by enzymes represents a chemical change.

Front

What type of change occurs during a fireworks explosion?

Back

A fireworks explosion represents a chemical change.

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.

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

Give an example of a chemical change.

Back

Rusting of iron is an example of a chemical change.

Front

What is the smallest part of any substance that can exist on its own?

Back

The smallest part of any substance that can exist on its own is an atom.