8th Grade Habitable Zones Quizzes, Questions & Answers

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Powering a Planet: Energy Sources for Life Quiz

Can life survive on the outskirts of a solar system? As you move away from a star, the available light energy drops off quickly, forcing life to find creative ways to fuel itself. This energy sources for life quiz examines...

Questions: 20 | Attempts: 29 | Last updated: Feb 20, 2026

Sample Question 1
What are the two primary energy sources for life that scientists look for in the universe?

Gravity and magnetism

Radiant energy (sunlight) and chemical energy

Sound waves and heat

Electricity and wind

Static and kinetic energy

Sample Question 2
As the distance from star life increases, the amount of light energy available to a planet decreases.

True

False

Sample Question 3
When comparing sunlight vs chemical energy, what is the main benefit of using chemical energy for life?

It is always brighter

It allows life to exist in dark places like the deep ocean

It travels faster than light

It is only found on Earth

It is made of gold

8th Grade Habitable Zones Quizzes, Questions & Answers

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