MATTER AND MIXTURES DISTRICT TEST PART 1

Properties are characteristics that are used to _______.

• identify matter

• identify elements

• make a solution

• make a mixture

A physical change in matter is a change in the _______.

• number of protons in an atom

• size, shape or state of matter

• chemical properties of matter

• number of an electrons in an atom

A physical change in matter is a change in the _______.

• number of protons in an atom

• size, shape or state of matter

• chemical properties of matter

• number of an electrons in an atom

Rust on the body of a car is an example of a _______.

• change in state

• physical change

• chemical change

• suspension

The mass of an object _______.

• does not change when its moved

• depends on gravity

• varies from place to place

• is related to its color

An example of a physical change is _______.

• leaves changing color

• cutting paper

• fireworks

• baking a cake

The molecules in a solid _______.

• move about freely within a certain space

• are closely packed together & vibrate

• have a weak attraction

• do not vibrate

Three different examples of plasma are _______.

• Northern lights, stars, fluorescent lights

• Sun, stars, moon

• Southern lights, Jupiter, comet tails

• Neon lights, book, plasma screen TV

A substance can be changed from a liquid to a gas by _______.

• freezing

• boiling

• melting

• volume

A substance can be changed from a liquid to a solid by _______.

• freezing

• melting

• boiling

• density