Review for 9-Weeks Exam

The color of ink is a __________.

• physical change

• physical property

• chemical change

• chemical property

Which of the following are examples of physical changes? Choose all that apply.

• boiling of water

• blowing up a balloon

• melting a candle

• burning of gasoline

Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a _____.

• solid

• liquid

• gas

• plasma

In which phase of matter are the molecules of the substance farthest apart from each other?

• solid

• liquid

• gas

• crystal

A type of matter formed by chemically joining two or more elements is known as a _____.

• compound

• solution

• colloid

• suspension

The Law of Conservation of Mass states _____.

• Mass never stays constant.

• Mass is always added during a chemical change.

• Mass is always lost during a chemical change.

• Mass is not lost or created during a chemical change.

Milk, paint, and mayonnaise are all examples of ______.

• homogeneous mixtures

• heterogeneous mixtures

• compounds

• elements

Rusting of a fishing pole is an example of a _____ change.

• physical

• chemical

Which of the following is evidence that a physical change has occurred?

• Broken glass

• Rust

• Bubbles

• Formation of a solid precipitate

As a sample of matter is heated, its particles _____.

• are unaffected

• move more quickly

• move more slowly

• stop moving