6th Grade Science 1st Semester Review

Front

What occurs when two colorless solutions are mixed and a blue solid appears?

Back

Chemical Change - Precipitate Formed

Front

How do the particles in a gas behave?

Back

They move around rapidly.

Front

What type of wave is produced by sound?

Back

Sound Waves

Front

What are the characteristics of metals?

Back

Shiny, malleable, and good conductors.

Front

What type of force is present when forces are not equal and cause motion?

Back

Unbalanced force.

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What are mechanical waves?

Back

Waves that require a medium (solid, liquid, or gas) to travel through.

Front

What is the difference between sound waves and light waves?

Back

Sound waves are mechanical and require a medium, while light waves are electromagnetic and can travel through a vacuum.

Front

What are nonmetals?

Back

Elements that are usually poor conductors of heat and electricity and are not shiny.