Gravity and life on earth

Which gas is the most abundant gas in the atmosphere?

• Nitrogen

• Carbon Dioxide

• Oxygen

The atmosphere is made up primarily of 

• Nitrogen
• Oxygen
• Carbon Dioxide
• Water Vapor

a mixture of gases that surround the earth

• thermosphere
• Troposphere
• Atmosphere
• Ozone Layer

Tags

NGSS.MS-ESS2-6

Which of the following is not a characteristic of a habitable planet?

• Earth-sized

• terrestrial planet

• Within its stars habitable zone

• gas giant

What is the term 'goldilocks zone' a nickname for?

• habitable zone

• mid-sized stars like our sun

• mid-sized planets like our Earth

• atmospheres of the right thickness

Tags

NGSS.HS-ESS2-7

Finding oxygen or ozone in another planet's atmosphere would be an indication that what process is occurring?

• volcanic activity

• plate tectonics

• the burning of fossil fuels

• photosynthesis

Tags

NGSS.MS-LS1-6

The force that keeps planets on their orbit...

• orbit
• stars
• planets
• gravity

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Which helps protect the earth from radiation?

• Water
• Atmosphere
• Mantle
• Gravity

Earth’s atmosphere contains water vapor and carbon dioxide. These greenhouse gases are important because they -

• are substances animals need to breathe.
• trap thermal energy in the atmosphere.
• 
  protect against magnetic particles.
• create Earth’s gravitational field.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What does most every living thing need to survive?

• Steam

• Ice

• Plasma

• Liquid water

Tags

NGSS.MS-LS2-1