The Carbon Cycle and the Oxygen Cycle: Mastery Test

What is carbon flux?

• movement of carbon from one reservoir to another

• stagnancy of carbon in one reservoir

• lack of carbon in any particular reservoir

• consumption of carbon

What is the color of the ozone?

• green

• pale blue

• colourless

• yellow

What is ozone?

• dissolved oxygen

• the main catalyst in photosynthesis

• a type of oxygen

• a form of calcium carbonate

Jesse has a class project. She wants to show how CO₂ from the atmosphere gets converted to carbonates.

What kind of process would help her depict this?

• photosynthesis

• chemical processes

• litterfall

• natural processes

Why does the transfer of carbon and oxygen take place?

• to ensure new forms of the two elements develop over time

• to maintain the ecosystem and make the Earth habitable to life

• to ensure the oceans expand

• to ensure that the ozone layer never depletes

Which of these is an example of calcium carbonate?

• diamond

• graphite

• water

• shells of snail

Type the correct answer in the box. Spell all words correctly.

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, most of the carbon on Earth is stored in the form of _______________ .

Type the correct answer in the box. Spell all words correctly.

In the biosphere, what acquires carbon present in the atmosphere?

_________________ acquire carbon present in the atmosphere.

What does NOT produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3