Chapter 1 Test

New substances are produced by a _________ change.

Burning wood is an example of __________ property

• Chemical

• Physical

The law of ____________ of mass states that in any physical or chemical change, matter is neither created nor destroyed.

• conservation

• conversations

If you left Earth and went to Venus, What property would change from one planet to another?

Bread left in a bag in the dark turns green.

• Chemical Change

• Physical Change

_____________ is related to the energy of motion of the particles of matter.

________ energy naturally flows from warmer to cooler matter.

• Exothermic

• Chemical

• Thermal

• Physical

What are the physical states of matter? Select all that apply.

• liquid

• solid

• atom

• gas

The density of an unknown substance is 1.783 g/cm³. Is this a physical or chemical property?

• Chemical

• Physical

Butter is melted in a pan. Select all that apply.

• Energy is absorbed.

• This is a physical change.

• Energy is released.

• This is a chemical change.