Science QA #2 Review

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What must a student do to use a hotplate in a science investigation?

Back

Plug in the hotplate, and turn the switch to the 'on' position.

Front

What property determines if an object will float or sink?

Back

Density.

Front

What is the term for the bending of light when it passes from one medium to another?

Back

Refraction.

Front

What is the process called when light bounces off a surface?

Back

Reflection.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

What is the definition of density?

Back

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

Front

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

Back

The density increases.

Front

What is the term for a material that allows electricity to flow through it?

Back

Conductor.

Front

What is the term for a material that does not allow electricity to flow through it?

Back

Insulator.