Matter Unit - Lesson 2, 3, & 4 - Review

Flammability is an example of a _________________property.

• physical

• chemical

• malleability

• density

Electrical conductivity is an example of a ____________________ property.

• chemical

• solubility

• physical

• malleable

What are the three physical properties of aluminum foil?

• solid state

• shiny

• malleable

• rigid

What effect does observing a substance's physical properties have on the substance?

• It has effect because the substance changes.

• It has effect because you can see it will change.

• No effect because the identity of the substance does not change.

What is solubility?

• the measure of the amount of mass in a given amount of volume.

• the ability of a substance to dissolve in another substance.

• when it changes from a solid to a liquid.

• a measure of how well an electric current can move through a substance.

What is malleability?

• the ability of a substance to dissolve in another substance.

• the ability of a substance to be rolled or pounded into various shapes.

• a measure of how well an electric current can move through a substance.

• a measure of the amount of mass in a given volume.

What is a physical change?

• a change that alters the chemical make up of a substance.

• a change that affects the physical properties of a substance.

• a change that creates a new substance.

What is a chemical change?

• a change that alters the chemical makeup of a substance.

• a change that affects the physical properties of a substance.

• a change that keeps the substance the same.

Which of the following are physical changes?

• melting ice

• burning wood

• crumbling a piece of paper

• boiling water

Which of the following would be a chemical change?

• chopping wood

• burning wood

• dropping an antacid tablet in water

• iron rusting