Properties of Matter Unit Test Review

Front

What are the properties of metals like copper?

Back

Metals like copper are good electrical conductors and good thermal conductors.

Front

What are rubber and plastic classified as?

Back

Rubber and plastic are classified as electrical and thermal insulators.

Front

Why are electrical wires coated with rubber?

Back

Electrical wires are coated with rubber to insulate the conductor, making it safer to handle.

Front

How are metal pans designed for safety?

Back

Metal pans have rubber or plastic handles to insulate the heat, making them safer to touch.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, forming a solution. Examples include fresh water and rain.

Front

Which state of matter has particles that are least tightly arranged?

Back

Gas has particles that are least tightly arranged.

Front

What is the melting point of a substance?

Back

The melting point is the temperature at which the solid state turns into a liquid state.

Front

How are particles arranged in a gas?

Back

In a gas, particles are spread apart and can move freely.

Front

What is the difference between a solid and a liquid in terms of particle arrangement?

Back

In a solid, particles are packed closely together and cannot move freely, while in a liquid, particles are close but can move around each other.

Front

What happens to a substance at its boiling point?

Back

At its boiling point, a liquid turns into a gas.