Habitability

What is the primary source of energy that makes a planet habitable?

• geothermal heat

• nuclear fusion in the planet's core

• solar radiation from its star

• tidal forces

Tags

NGSS.HS-ESS1-1

Which of the following is the strongest reason for Earth being habitable?

• The Earth is close enough to the Sun to have a night and day.

• The atmosphere of Earth has a favorable ratio of gases.

• The Earth is far enough from the Sun to be protected from radiation.

• The atmosphere is thin enough to allow energy to pass through it.

What features make a planet habitable?

• Oxygen, Water, Proximity to the Sun and Food

• Carbon Dioxide, Proximity to the Sun, Habitat and artificial satelites

• Lots of radiation, extreme temperatures, no food, no shelter

• Extreme sunlight, dangerous predators, and salty water

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

What is the term for the region around a star where liquid water can exist on a planet's surface?

• Goldilocks Zone

• Red zone

• No-go zone

• Radiation zone

Tags

NGSS.MS-ESS2-4

Look at the diagram above, which of the following would be the best planet to observe for life?

• E

• B

• C

• D

According to Dr. Edgar, a planetary geologist, a planet needs two things to be habitable. What are they?

• frozen water and liquid water

• liquid water and plants

• soil and oxygen

• liquid water and an energy source

Which of these is a key factor for planetary habitability in terms of temperature?

• extreme cold

• extreme heat

• moderate temperatures

• temperature fluctuations

Which of these is a potential source of water on a habitable planet?

• liquid methane lakes

• underground lava flows

• ice caps and glaciers

• solid rock

Tags

NGSS.MS-ESS2-4

What role does the ozone layer play in planetary habitability?

• locking harmful ultraviolet (UV) radiation

• regulating ocean currents

• creating rainfall

• providing oxygen

One of the conditions for life as we know it on Earth is a temperature range of 

• 0 to 100 degrees Fahrenheit

• 0 to 100 degrees Celsius

• 0 to 100 degrees Kelvin

• 32 to 100 degrees Fahrenheit