What is a compound?

• A substance with one element

• A substance with two or more elements in a fixed proportion

• A mixture of gases

• A single atom.

Tags

NGSS.MS-PS1-1

Chemical bonds are formed when elements share ______.

• Protons

• Neutrons

• Electrons

• Atoms

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The diagram shows a molecule of ______.

• Oxygen

• Water

• Hydrogen

• Carbon dioxide

Tags

NGSS.MS-PS1-1

Which of the following is a property of water?

• It is a single atom

• It is a compound

• It is a mixture

• It is an element

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

What is the transfer of energy between materials of different temperatures called?

• Temperature

• Heat

• Heat capacity

• Density

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Temperature records the average energy of what?

• Molecular motion

• Heat transfer

• Density change

• Boiling point

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The density of water changes with temperature. Ice is least dense while liquid water is ____.

• Most dense

• Least dense

• Equally dense

• Not dense

Which of the following is a measure of the heat required to raise the temperature of a substance by 1 degree C?

• Temperature

• Heat capacity

• Density

• Boiling point

Which current flows along the east coast of the United States?

• Japan Current

• Canary Current

• Gulf Stream

• Benguela Current

Tags

NGSS.MS-ESS2-6

The Brazil Current is a ______ current.

• warm

• cold