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Why are the outer planets very cold?

Important Questions on The Solar System

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What is a Solar System? Write the names of all the planets in our Solar System.
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Which describes the shape of the Earth?
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Moons move around
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Environmental Studies>The Universe>The Solar System>Solar System
The core and the mantle of the Earth are very hot.
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Environmental Studies>The Universe>The Solar System>Solar System

There are some planets that have longer years than Earth. Find out their names. Do you think it will affect us if our earth year was longer too? 

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The farther a planet is from the sun the _____ it takes to complete one revolution.
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Which of these planets have numerous moons?
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When the Earth was formed, its crust was cool.
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Earth revolves around the Sun
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Unscramble the letters in brackets to form the correct word to fill in the blank:

The middle layer of the Earth _____ (Inatem).

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Unscramble the letters in brackets and fill in the blank.

The outer cool part of the Earth _____ (rsctu).

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What is the difference between a solar eclipse and lunar eclipse?   

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What is the difference between stars and planets?
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What is the difference between a star and a planet? Which of these is a star? Find out.

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Environmental Studies>The Universe>The Solar System>Solar System
Planets and the moon do not have a light of their own. 
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What was the Earth like when it was formed?

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Environmental Studies>The Universe>The Solar System>Solar System
When the Earth was formed, its crust was cool.
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Environmental Studies>The Universe>The Solar System>Solar System

Match the columns

Column I Column II
a. Earth i) Very hot
b. Revolution ii) path along which the Earth goes around the Sun
c. Rotation iii) round
d. Orbit iv) 365 days
e. Core v) day and night
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The earth is a planet.
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Environmental Studies>The Universe>The Solar System>Solar System

Choose the right word and fill in the blank provided below.

The _____ go around the Sun.(stars/ planets)