Oxygen Cycle

________________ is a gas found in the atmosphere of Earth and can only get there with help from photosynthetic organisms.

• Nitrogen

• Carbon

• Oxygen

• Phosphate

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What other element cycle is the oxygen cycle most interconnected with?

• nitrogen cycle

• carbon cycle

• water cycle

• element cycle

Which of the following processes produces oxygen in the oxygen cycle?

• respiration

• decomposing

• oxidation

• sunlight

Tags

NGSS.MS-LS1-6

Oxygen is constantly being used and created by different processes on planet Earth.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

________________ are the main creators of oxygen in the atmosphere.

• Plants

• Animals

• Robots

• Soils

Tags

NGSS.MS-LS1-6

What tiny plants live near the surface of the ocean and produce lots of oxygen?

• seaweed

• phytoplankton

• cyclothones

• coral

Tags

NGSS.MS-LS1-6

Do Abiotic Factors play any role in this oxygen cycle ??

• No

• Yes

Tags

NGSS.MS-LS2-3

Is oxygen cycle important or not ?

• No , its not important since plants cover most of the space on earth

• Yes , it is so that we can live and so that we won't need to worry about the lack of oxygen.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following processes produces oxygen in the oxygen cycle? (choose two options)

• Respiration

• Decomposing

• Sunlight

• Plants

• Combustion

Tags

NGSS.MS-LS1-6

What is the primary role of photosynthesis in the oxygen cycle?

• To produce carbon dioxide

• To release oxygen into the atmosphere

• To absorb nitrogen

• To decompose organic matter

Tags

NGSS.MS-LS1-6