Earth's Energy

Kali listed important sources of energy in the Earth system.

1. water

2. the sun

3. radioactive decay

4. collisional heating

Which item does not belong in Kali’s list? Choose the correct answer.

• water

• sun

• radioactive decay

• collisional heating

What is the process that causes hot materials within Earth to move toward the surface? Choose the correct answer

• rotation

• convection

• continental drift

• magnetic reversal

What is radioactivity? Choose the correct answer.

• another form of magnetism

• contamination of organisms and minerals

• stable atomic nuclei decay over time, releasing particles and energy

• unstable atomic nuclei decay over time, releasing particles and energy

Tags

NGSS.HS-PS1-8

Which statement summarizes the primary way in which ocean currents redistribute energy on Earth? Choose the correct answer.

Responses

• 
  

• Energy moves from equatorial regions toward the poles by convection.

• Energy moves from equatorial regions toward the poles by conduction.

• Energy moves from the poles toward equatorial regions by convection.

• Energy moves from the poles toward equatorial regions by conduction.

Tags

NGSS.MS-ESS2-6

After Earth absorbs solar radiation that heats the ground, what kind of energy does the atmosphere absorb from the ground? Choose the correct answer.

• wind

• solar

• thermal

• mechanical

Which of these drives evaporation? Choose the correct answer.

• the Coriolis effect

• Energy from the sun

• CO₂ in the atmosphere

• Earth’s magnetosphere

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of these may decrease temperatures by reflecting sunlight back into space? Choose the correct answer.

• global warming

• orbital change

• sea-level change

• volcanic activity

Energy for convection on the Earth comes from...

• The sun

• The moon

• Plants

• The ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What is the principal source of energy for the Earth?

• Sun

• Radioactive decay of heavy elements within the earth

• Wind

• Coal

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

What are the two sources of energy for the Earth as a system?

• wind and rain

• thunder and lightning

• sun and earth's interior

• oil and gas

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4