Physical Science Review

What do waves carry from place to place?

• Energy, but not matter

• Energy and matter

• Matter, but not energy

• Neither energy nor matter

The burning of coal is an example of a

• chemical change

• physical change

Rusting piece of metal is an example of a chemical change.

• True

• False

KMnO₄

_{How many atoms of oxygen are in this molecule?}

• 1

• 2

• 4

• 6

KMnO₄

_{How many total atoms are in this compound?}

• 1

• 3

• 6

• 8

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula

• atom

• compound

• subscript

Bonds between atoms in a molecule form as a result of the sharing of?

• formulas

• atoms

• shells

• electrons

What are the basic building blocks for all matter?

• atoms

• elements

• chemicals

• compounds

Conduction is heat transfer by -

• waves

• touch

• circles

Convection is heat transfer by-

• Touch an object

• The heating and cooling of a fluid

• Electromagnetic waves