2/26/20

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

What are the basic building blocks for all matter?

• atoms
• elements
• compounds
• chemicals

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

Tags

NGSS.MS-PS1-1

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

• Biotic

• Abiotic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

John takes the subway to work every morning. He enjoys drinking his coffee and talking to people that sit near him. The other people on the subway are an example of what type of factor?

• Abiotic

• Biotic

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is NOT an abiotic factor?

• sun

• temperature

• soil

• grass

Tags

NGSS.MS-LS2-3

Decomposers are important to ecosystems because they

• return vital nutrients to the ecosystem
• capture energy from the Sun
• are producers
• can be omnivores

Tags

NGSS.MS-LS2-3

A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

Tags

NGSS.MS-LS1-6