Properties of Matter Review

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

If a solid has a mass of 60 grams and a volume of 15 cm³, what is its density?

Back

4 g/cm³

Front

What is the difference between an observation and an inference?

Back

An observation is a statement based on what you see, while an inference is a conclusion drawn from observations.

Front

What is an example of a physical change?

Back

Melting ice is a physical change.

Front

What is an example of a chemical change?

Back

Rusting of iron is a chemical change.

Front

Does the amount of a substance affect its density?

Back

No, density is an intrinsic property and does not change with the amount of substance.

Front

What is the boiling point of a substance?

Back

The boiling point is the temperature at which a substance changes from a liquid to a gas.

Front

What is a variable in an experiment?

Back

A variable is any factor that can change in an experiment.

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or controlled in an experiment.

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured or observed in an experiment.