Density/Phase Change review

Front

What is a physical change?

Back

A physical change is when the way a substance looks changes, but its chemical make-up remains the same.

Front

What is condensation?

Back

Condensation is the process that occurs when a gas changes to a liquid.

Front

Which object is the least dense?

Back

The Ping Pong Ball is the least dense object among the options provided.

Front

What is the densest liquid among honey, lamp oil, and milk?

Back

Honey is the densest liquid among the options.

Front

How do you calculate density?

Back

Density is calculated by dividing mass by volume.

Front

What happens during melting?

Back

Melting is the process where a solid changes into a liquid.

Front

What is the definition of density?

Back

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

Front

What is an example of a physical change?

Back

An example of a physical change is ice melting into water.

Front

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

Back

The process is called evaporation.

Front

What is the relationship between temperature and density?

Back

Generally, as temperature increases, density decreases for most substances.