Open Sci Ed 7.1

Front

What is density?

Back

Density is the amount of matter (mass) packed into a space (object).

Front

Which box has a higher density?

Back

Box A has a higher density.

Front

What does 'soluble' mean?

Back

Soluble describes a material that can dissolve in a substance.

Front

What does it mean to dissolve?

Back

To dissolve means when a solid becomes a liquid and mixes completely.

Front

What is evaporation?

Back

Evaporation is the process where a liquid changes into a gas.

Front

What is the formula for density?

Back

Density = Mass / Volume.

Front

What happens to the density of an object if its mass increases but its volume stays the same?

Back

The density increases.

Front

What is the difference between soluble and insoluble?

Back

Soluble means a material can dissolve, while insoluble means it cannot dissolve.

Front

What is an example of a soluble substance?

Back

Sugar is an example of a soluble substance.

Front

What is an example of an insoluble substance?

Back

Sand is an example of an insoluble substance.