Properties of Matter

Reactivity is what type of property?

• Physical

• Chemical

What is a sign of a physical change?

• Bubbles forming

• Color changing

• Stretching

• Producing heat

What is a sign of a chemical change?

• Stretching

• Tearing

• Compressing

• Bubbles

Which of the following changes is a physical change of matter?

• water evaporating

• paper burning

• a nail rusting

• a silver spoon tarnishing

You mixed two liquids and a precipitate formed, what kind of change occured?

• Physical

• Chemical

Signs of a physical change:

• Compress

• Shatter

• Tear

• Precipitate

Signs of a chemical change:

• Precipitate

• Light

• Heat

• Shatter

Moldy Bread

• Physical Change

• Chemical Change

A physical property that describes how tightly packed molecules are in a substance

• Density
• Conductivity
• Solubility
• Magnetistm

Physical property that describes the ability of a substance to dissolve in another substance, usually water.

• Density
• Magnetism
• Solubility
• Melting Point