VOCABULARY

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solar system (noun)

The sun and the planets and other objects that orbit the sun

Picture of the solar system

planet (noun)

A large body in space that orbits a star and does not picture light on its own.

orbit (verb)

A path of a object as it circles around another object in outer space.

Moon orbiting the Earth, and Earth orbiting the Sun.

Earth (noun)

The only planet in the solar system on which life is known to exist.

Planet Earth

sun (noun)

The star that is made of mainly hydrogen and helium gases, and supplies the heat and light that sustains life on Earth.

Yellow figure represents the sun as the source of light for the planets

TEST YOUR KNOWLEDGE

Use the vocabulary words to fill in the blanks.

________ the only planet where life is known to exist.

Sun

Moon

Mars

EarthNext Question

The ___________ is the direct source of light for the universe.

Solar system

sun

earth

galaxy

Next Question

The ___________ is made up of the sun and the planets.

universe

globe

earth

solar system

Next Question

A planet can produce its own light.

True False

Next Question

The sun orbits around the __________.

The sun does not orbit

Moon

Planets

Galaxy

Finished Test

Sorry, try again !

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That’s Correct !

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1-0 wrong -------------------- A

2 wrong-----------------------B

3 wrong -----------------------C

4 wrong------------------------D

5 wrong ------------------------F