Science Progress Check Quiz

Which property is often useful for identifying a specific type of material?

• Its color

• Its shape

• Its location

What tool would you use to measure the hardness of a material?

• A thermometer

• A ruler

• A scratch test kit (or objects for scratching)

Which of the following materials is magnetic?

• Plastic

• Wood

• Iron

What happens when salt is mixed with water?

• The salt disappears completely and no longer exists.

• The salt dissolves but is still present as tiny particles spread out.

• The salt turns into a gas.

Which property determines if a material can conduct electricity?

• Its color

• Its texture

• Its electrical conductivity

Which of the following scenarios would result in a chemical change?

• Ice cubes melting in a glass of water

• Wood burning in a campfire

• Butter melting in a pan

Mixing food coloring and water is an example of a ______ change.

• physical

• chemical

• permanent

Which is an example of a physical change?

• a candle burning

• rust on a bicycle

• ice cream melting

Which is one common sign that a chemical change has likely taken place?

• Change in shape

• Formation of a gas

• Formation of a mixture

Which of the following describes an example of a chemical change?

• a piece of glass breaking

• tearing a piece of paper

• rust forming on a car