Basic Science Term 3 Test

Density is an example of a ____.

• chemical property
• physical change
• physical property

The scattering of light by colloids is called ____.

• The Tyndall effect
• conservation
• suspension

What is chalk considered?

• an element
• a colloid
• a compound

A characteristic of matter that allows it to change to something new is a ____.

• physical property
• physical change
• chemical property

____ is NOT a homogeneous mixture

• A salad
• Glue
• Vinegar

Which of the following is an example of a chemical change?

• bending a soda can
• burning paper
• melting wax

Cleaning tarnished silver is an example for which of the following

• chemical change
• chemical property
• physical change

When two or more substances are combined so each substance can be separated by physical means, the result is a(n)____.

• mixture
• compound
• element

____ is another name for a homogeneous mixture

• Liquid
• Solution
• Suspension

When a log burns in a fire, ____.

• a physical change has occurred
• new substances are formed
• mass is lost