5th Grade Science STAAR Review - Properties of Matter

Front

What happens to the density of water as it freezes?

Back

It decreases.

Front

What is the process called when ice cubes melt after being taken out of the freezer?

Back

Melting.

Front

Which material is best for keeping hot drinks warm?

Back

Material 4 (the best insulator).

Front

What property does sugar retain after dissolving in water?

Back

Its sweetness.

Front

Which material is the best thermal conductor?

Back

Aluminum.

Front

What is density?

Back

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

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither definite shape nor volume.

Front

What is thermal conductivity?

Back

Thermal conductivity is the ability of a material to conduct heat.

Front

What happens to the temperature of a substance during melting?

Back

The temperature increases.

Front

What is an insulator?

Back

An insulator is a material that does not conduct heat well.