Unit 3 Test

Which particle is number 1?

• proton

• neutron

• electron

Tags

NGSS.MS-PS1-1

Which of the following scientists' models was created FIRST?

• Bohr

• Rutherford

• Chadwick

• Dalton

Why is photosynthesis important to the cycling of matter and the flow of energy? *Choose all that apply*

• It changes the sun’s energy into a form that can be used by living things

• It changes nitrogen into a form that can be used by living things

• It changes phosphorus into a form that can be used by living things

• It changes carbon into a form that can be used by living things

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of bacteria in the nitrogen cycle?

• They change carbon from the atmosphere into a form that can be used by living things

• They change nitrogen from the atmosphere into a form that can be used by living things

• They fix nitrogen from the air onto the roots of plants

• They change phosphorus into a form that can be used by living things

Where is most phosphorus trapped when it is not moving through the phosphorus cycle?

• In the atmosphere

• In rocks

• In plants

• In animals

How does energy move through an ecosystem?

• It flows to the sun

• It flows from the sun

• It moves in a circle

• It cycles

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

During photosynthesis, which molecule is produced that living things use for energy?

• Glucose

• Sucrose

• Fructose

• Cellulose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where do organisms get most of their macromolecules?

• From the sun

• By eating food

• Through breathing

• By drinking water

Tags

NGSS.MS-LS1-7

Some carbon is stored in fossil fuels. What process releases this carbon back into the atmosphere?

• Photosynthesis

• Digestion

• Cellular respiration

• Combustion

Tags

NGSS.HS-ESS2-6

What happens during photosynthesis?

• Sugar and oxygen chemically combine to form carbon dioxide and water

• Water and carbon dioxide chemically combine to form sugar and oxygen

• Bacteria convert nitrogen into a usable form

• Phosphorus is released from rocks into the environment

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3