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

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

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

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

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-LS2-5

All of the carbon in existence is continually recycled in the carbon cycle

• True
• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

The __________ is the way in which heat is trapped close to the surface of the Earth by gasses.

• greenhouse effect

• fossil fuels

• heat effect

• global effect

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Without the Greenhouse Effect the Earth would be

• warm 
• cold
• dead

Tags

NGSS.HS-ESS2-4

Which of the following is NOT a natural cause of climate change?

• pollution
• meteorite collisions
• solar spots
• Volcanic eruptions

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What is climate?

• What's happening in space at a time and place.
• What's happening in our atmosphere at a time and place
• The average weather over many years
• The average temperature over many years.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-5

What effect do volcanic eruptions have on the climate?

• They always increase global temperatures.

• They can cool the area by blocking incoming solar radiation.

• They have no effect on the climate.

• They only affect the climate in the Southern Hemisphere.

Answer explanation

Volcanic eruptions can release ash and sulfur dioxide into the atmosphere, which can block sunlight and lead to cooling in the affected areas. This is why the correct choice is that they can cool the area by blocking incoming solar radiation.

Tags

NGSS.MS-ESS2-2

What is one impact of meteor impacts on the environment?

• Increase in photosynthesis

• Decrease in temperature and blocking of light

• Increase in agricultural productivity

• Increase in oxygen levels

Answer explanation

Meteor impacts can eject dust and debris into the atmosphere, leading to a decrease in temperature and blocking sunlight. This can disrupt photosynthesis and alter ecosystems significantly.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4