Properties and Changes

Multiple Choice

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties

Multiple Choice

Example for physical property

• odor
• burns in air
• reacts with water to create hydrogen gas
• rust

Multiple Choice

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Multiple Choice

Fizzing, foaming, and burning are all examples of

• Chemical change
• Physical change

Multiple Choice

Which statement describes a chemical property of water?

• The melting point of water is 0°C.

• Water will dissolve sodium chloride, or table salt.

• Water forms beads on a waxy surface.

• a. Under the proper conditions, water will break apart into hydrogen and oxygen gas.

Multiple Choice

1. A chemical change occurs when a piece of wood

• splits.

• decays.

• is painted

• is cut

Multiple Choice

1. As the viscosity of a liquid increases, the liquid —

• a. evaporates more quickly

• a. pours more slowly

• a. conducts electricity

• a. pours more quickly

Multiple Choice

1. ____ Perfume evaporating on your skin

• Physical property

• Chemical Property

Multiple Choice

Which is a physical change?

• dying your hair

• dissolving sugar in water

Multiple Choice

An ______ change releases energy.

• exothermic

• endothermic

Multiple Choice

Which of the following IS a clue that a chemical change has occurred? 

• State of matter change
• Size Change
• Change in temperature
• Shape change

Multiple Choice

Which is a physical change?

• digesting food
• burning natural gas
• exploding firework
• chopping onions