7.1 OpenSciEd

Front

What gases are released when electricity is run through water?

Back

Oxygen and hydrogen.

Front

If a substance is less dense than water, what will it do?

Back

It will float.

Front

Flammability is a ______ of a substance.

Back

Property.

Front

What does CER stand for?

Back

Claim, Evidence, and Reasoning.

Front

What happens when you combine citric acid, baking soda, and water?

Back

The molecules rearrange into new substances.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products).

Front

What is the principle of conservation of mass?

Back

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

Front

What is an example of a physical property?

Back

Color, boiling point, or density.

Front

What is an example of a chemical property?

Back

Flammability or reactivity with acid.