PROPERTIES QUIZ 1 REVIEW

Glass shattering

• Physical change

• Chemical Change

Bubblegum being stretched

• Physical change

• Chemical Change

Piece of metal rusting

• Physical change

• Chemical Change

Piece of metal expanding due to heat

• Physical change

• Chemical Change

Which is evidence that a chemical reaction has occurred?

• Phase change occurs

• New gas is observed in the form of bubbles

• Red and yellow paint mixing to make orange paint

• the temperature of the substance remains constant

Which statement describes evidence of a chemical reaction?

• Ice melting

• Water Boiling

• Lighting a Match

• Grape juice freezing

Melting wax, evaporating gasoline, freezing water are all signs of a:

• Nuclear changes

• Physical Changes

• Chemical Changes

• Energy consumption

Silver is a white metal that is an excellent conductor. Silver tarnishes when exposed to air and light. The density of Silver is 10.49 g/cm. The melting point is 962 degrees Celsius. The boiling point is 2000 degrees celsius. A chemical property of silver is:

• desnity

• melting point

• boiling point

• tarnishes

• conductivity

Evidence of a chemical change does NOT include:

• producing a gas

• change in color

• change in shape

• change in temperature

• change in aroma

The picture shows materials that have been layered within the jar. Even if these materials were shaken, they would separate back out into layers after sitting for a while. What property of matter is being demonstrated?

• mass

• volume

• density

• physical state