KCC Global Systems Revision 2023

Identify the correct matches between an Earth system and its main type of contents. 

• Atmosphere – air

• 1. Biosphere – soils and sediments

• 1. Hydrosphere – water and ice

• 1. Geosphere – oceans

Tags

NGSS.MS-ESS2-4

Select the Earth system in which the rock cycle operates primarily.

• 1. Biosphere

• 1. Hydrosphere

• 1. Atmosphere

• 1. Geosphere

Tags

NGSS.MS-ESS2-1

Rain falls on a mountainside, seeps into the bedrock and is absorbed by the roots of a pine tree.

Apart from the hydrosphere, identify the Earth systems that water passes through. 

• atmosphere → geosphere → biosphere

• atmosphere → biosphere → geosphere

• geosphere → biosphere → atmosphere

• biosphere → geosphere → atmosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Identify whether the following statement is true or false. 

Carbon compounds are found in all living cells and are transferred between living things by food chains.

• false
• only in plants
• only in animals
• true

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Determine which of the following statements about greenhouse gases are correct. 

• Greenhouse gases cool the Earth's atmosphere.
• Greenhouse gases have no effect on the Earth's atmosphere.
• Greenhouse gases only exist in outer space.
• Greenhouse gases trap heat in the Earth's atmosphere.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which of the following are considered greenhouse gases? 

• carbon dioxide, methane, nitrous oxide, water vapour

• oxygen, nitrogen, argon, helium

• water vapor, sulfur dioxide, carbon monoxide
• radon, krypton, xenon, hydrogen

Identify the human activity that is our biggest source of carbon dioxide. 

• Raising cattle

• 1. Burning fossil fuels

• Mining

• 1. Cement production

  

Tags

NGSS.HS-ESS2-6

Identify which of the following statements about carbon dioxide and the oceans are true. 

• Ocean waters are a carbon sink

• The oceans have increased the amount of carbon dioxide they contain since pre-industrial times

• High carbon dioxide concentrations in sea water cause coral bleaching

• Carbon dioxide moves by diffusion from the atmosphere into the ocean, but not from the ocean into the atmosphere

Tags

NGSS.HS-ESS2-6

Which process is responsible for the majority of oxygen production on Earth?

• Photosynthesis in plants

• Chemical reactions in the atmosphere

• Ocean evaporation

• Volcanic eruptions

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary cause of the greenhouse effect on Earth?

• Deforestation

• Increased solar radiation

• Greenhouse gases trapping heat in the atmosphere

• Ozone depletion

Tags

NGSS.MS-ESS3-5