Cycles of Matter Basics

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

• Water
• Atmosphere
• Sun
• Soil

Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How does the carbon in grass become part of a lion?

• The lion eats the grass
• Carbon from grass doesn't end up in a lion. 
• The carbon ends up in the lion's food chain. 
• The lion breathes in carbon given out by the plant

Tags

NGSS.MS-LS2-3

What converts nitrogen gas into a usable form for plants and animals?

• bacteria

• rain

• fungi

• car exhaust

Tags

NGSS.MS-LS2-3

The process in which nitrogen circulates and is recycled is called

• The nitrogen cycle

• The carbon cycle

• The water cycle

• The phosphorus cycle

What is the water cycle?

• the 3 forms of water
• the movement of water on, above, or below the surface of the Earth
• when water melts
• when clouds form

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

If a farmer uses an excessive amount of fertilizer and this fertilizer washes into a nearby lake in runoff, what is likely to happen in this area?

• The plant life will grow exponentially, and many of the fish living in this area will die.

• The plant life will be destroyed, and many of the fish in this area will die due to a lack of food.

• The fish in this area will multiply exponentially, and they will destroy the plant life.

• Fertilizer will not affect the area because it only affects the growth of plants that grow on land.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Based on this graph, you can infer that

• CO2 absorbs heat which makes global temperature rise as CO2 concentration increases.

• CO2 levels do not affect the global temperature because the graph shows no correlation between the two.

• Global temperature is going to increase so much that the ice caps and glaciers will melt in a few years.

• Global temperature is increasing which means CO2 concentration will decrease in the next few years.

Tags

NGSS.MS-ESS3-5

As CO2 concentration increases in this graph, how is average global temperature affected?

• As CO2 concentration increases, average global temperature increases.

• As CO2 concentration increases, average global temperature decreases.

• As CO2 concentration increases, global temperature stays the same.

• CO2 concentration and average global temperature have no relationship.

Tags

NGSS.MS-ESS3-5