Matter & Density

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is the unit of measurement for density in the metric system?

Back

The unit of measurement for density is typically grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

Front

What happens to the density of most substances when they are heated?

Back

Most substances expand when heated, which decreases their density.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the state of matter characterized by a definite shape and volume?

Back

Solid.

Front

What is the state of matter that has a definite volume but no definite shape?

Back

Liquid.

Front

What is the state of matter that has neither a definite shape nor a definite volume?

Back

Gas.

Front

What is the process called when a gas turns into a liquid?

Back

Condensation.

Front

What is the process called when a solid turns into a liquid?

Back

Melting.