What is a cycle?

• A type of bicycle

• A scientific term for water

• A series of events that happen repeatedly

• A single event that does not repeat

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is carbon?

• The most abundant element in the universe

• A type of cycle

• A liquid element found only in the ocean

• The fourth most abundant element in the universe and essential to life on Earth

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT a form of carbon?

• Liquid - water (H2O)

• Solid - diamonds

• Solid - limestone (CaCO2)

• Gas - carbon dioxide (CO2)

Tags

NGSS.MS-PS1-1

What drives the carbon cycle?

• The sun and the heat of Earth's interior

• The rotation of the Earth on its axis

• Human activities alone

• The moon's gravitational pull

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

What happens during the process of weathering and dissolution in the carbon cycle?

• Rocks turn into animals

• Carbonic acid forms when atmospheric CO2 and water react

• Carbon turns directly into oxygen

• Plants absorb carbon from the soil

Tags

NGSS.MS-LS2-3

How do phytoplankton use carbon?

• To swim faster in the ocean

• To produce light in deep waters

• To make shells of CaCO3

• To create oxygen through respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is released during combustion?

• Helium

• Pure oxygen

• Nitrogen

• Carbon dioxide

What is the role of photosynthesis in the carbon cycle?

• It cools down the Earth's temperature

• It breaks down rocks and minerals

• It turns atmospheric CO2 into carbohydrates (sugars)

• It releases carbon dioxide into the atmosphere

Tags

NGSS.MS-LS1-6

What happens to the carbon in plants after they die?

• It turns into water

• It disappears completely

• It is used to make new plants

• It enters soil as dead plant matter and is broken down by microorganisms

Tags

NGSS.MS-LS2-3

Which cycle moves more carbon, the biological or geological carbon cycle?

• Geological, by about 1,000 times more than the biological cycle

• Biological, by about 1,000 times more than the geological cycle

• Neither cycle moves carbon

• Both move equal amounts of carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3