Reporting Category 1 Quick Questions for Review

Front

What are metals?

Back

Metals are materials that are typically hard, shiny, and good conductors of heat and electricity. Examples include copper, iron, and aluminum.

Front

What happens to liquid wax when it cools down?

Back

When liquid wax cools down, it solidifies and turns back into solid wax.

Front

What materials are the best conductors of electricity?

Back

Metals are the best conductors of electricity, allowing electric current to flow easily.

Front

What is likely to be inside a container that looks empty?

Back

A container that looks empty is likely to contain gas, which is not visible.

Front

What materials are the worst insulators?

Back

Metals are the worst insulators because they allow heat to pass through easily.

Front

What is an insulator?

Back

An insulator is a material that does not conduct heat or electricity well, such as wood or plastic.

Front

What is a conductor?

Back

A conductor is a material that allows heat or electricity to pass through easily, such as metals.

Front

Can gases be seen?

Back

Gases are usually invisible, which is why a container may appear empty even if it contains gas.

Front

What is the state of matter for solid wax?

Back

Solid wax is a state of matter where the molecules are closely packed together, giving it a definite shape.

Front

What happens to metals when they are heated?

Back

When metals are heated, they expand and can change their shape.