Matter Flashcard 2 Review

Front

What kind of change is freezing water into ice cubes?

Back

Physical change

Front

How do you fix a concentrated solution?

Back

Add more solvent

Front

What kind of change is mixing vinegar & baking soda?

Back

Chemical change

Front

What kind of change is exploding fireworks?

Back

Chemical change

Front

What kind of change is burning wood?

Back

Chemical change

Front

What is the definition of a physical change?

Back

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

Front

What is the definition of a chemical change?

Back

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

Front

What are examples of physical changes?

Back

Melting, freezing, boiling, dissolving.

Front

What are examples of chemical changes?

Back

Rusting, combustion, digestion, fermentation.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, matter is neither created nor destroyed.