Gases Intro

What is the role of greenhouse gases in the atmosphere?

• They cool the Earth's surface.

• They trap heat in the atmosphere.

• They absorb sunlight and release it as cold air.

• They reflect all sunlight back into space.

Tags

NGSS.MS-ESS3-5

Which of the following is a greenhouse gas?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

What is the effect of more greenhouse gases in the atmosphere?

• The Earth becomes cooler.

• The Earth becomes warmer.

• The Earth remains the same temperature.

• The Earth becomes darker.

Tags

NGSS.MS-ESS3-5

What do greenhouse gas molecules in the atmosphere do?

• Reflect sunlight back into space

• Absorb most of the heat and send it in all directions

• Cool down the Earth's surface

• Absorb water vapor

Tags

NGSS.MS-ESS3-5

What is the result of greenhouse gases sending heat in all directions?

• It cools the Earth's surface

• It causes rain

• It warms the surface of the Earth

• It creates wind

What happens when more greenhouse gases are present?

• Less heat is absorbed

• More heat is absorbed

• The Earth becomes cooler

• The Earth becomes drier

Tags

NGSS.MS-ESS3-5

What causes Global Warming?

• Natural weather patterns

• Gases and pollutants

• Ocean currents

• Solar flares

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

In which state of matter do particles move quickly and in all directions?

• solids

• liquids

• gases

• all of these

Why do gases have low density?

• because the particles are packed closely together

• because the particles move quickly and in all directions

• because most of the volume occupied by a gas is empty space

• because the volume of the gas is always the volume of the container

The particles are mostly free of each other's influence in a _________.

• Gas

• Liquid

• Solid