Matter, Density and Graphs

Front

What happens to the density of a substance if it is cut in half?

Back

Density stays the same.

Front

What is the appropriate unit for measuring length in a science class?

Back

45.3 cm

Front

What units are used to measure mass?

Back

g

Front

What tool is used to measure length?

Back

Meter stick

Front

How long is a nail that measures 7.3 centimeters?

Back

7.3 centimeters

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

How do you calculate density?

Back

Density = Mass / Volume

Front

What is the unit of density in the metric system?

Back

g/mL or kg/m³

Front

If the mass of an object is 100g and its volume is 50mL, what is its density?

Back

Density = 100g / 50mL = 2 g/mL

Front

What happens to the density of a substance when it is heated?

Back

Density generally decreases when a substance is heated.