Which planet is known as the 'red planet' and why?

Mars, because of iron oxide (rust) in its soil.

Which planet is the hottest in our solar system, and what causes this?

Venus, due to its thick atmosphere of carbon dioxide that traps heat.

Grade 6th Grade · Science · 60 min

I can describe the major components of our solar system.

Free School · 11:55

Exploring Our Solar System: Planets and Space for Kids - FreeSchool

3 key concepts

1
The sun is a star that makes up more than 99 percent of the mass in our solar system.
2
Venus is the hottest planet in our solar system, while Earth is known as the 'Goldilocks planet' because it is not too hot and not too cold.
3
Jupiter is the largest planet and is a 'gas giant', while Saturn is famous for its beautiful rings made of ice particles, rocks, and dust.

12 questions · Multiple choice & Short answer

Quick comprehension check

“Name three major components of our solar system and give one fact about each.”

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