Sci 6 Mod 6 Test Review

Which gas is the largest component of Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

What process releases oxygen into the atmosphere?

• Evaporation

• Respiration

• Photosynthesis

Tags

NGSS.MS-LS1-6

What percentage of Earth's atmosphere is oxygen?

• 4%

• 78%

• 1%

• 21%

What is the main cause of wind?

• Uneven heating of Earth's atmosphere

• Cold water ocean currents mixing with warm currents

• Magnetic fields

• Earth's rotation

Tags

NGSS.MS-ESS2-6

Which of these is a trace gas found in Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

What is humidity?

• The amount of oxygen in the air

• The temperature of the air

• The amount of water vapor in the air

• The pressure of the air

What happens to air pressure as altitude increases?

• It stays the same

• It fluctuates unpredictably

• It increases

• It decreases

Tags

NGSS.MS-ESS2-6

What are greenhouse gases responsible for?

• Trapping heat in the atmosphere

• Causing the air to move

• Producing oxygen through photosynthesis

• Blocking all UV rays

What can increase the amount of greenhouse gases in the atmosphere?

• Photosynthesis

• Rain

• Human activities

• Planting trees

Tags

NGSS.MS-ESS3-4

Why is Earth's atmosphere considered dynamic?

• Because it consists only of oxygen and nitrogen

• Because it has no effect on life on Earth

• Because it is static and unchanging

• Because it is comprised of interacting elements that are always changing

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6