SUN
MOON
EARTH
PLANETS
OUTER SPACE
100

Is the sun a star or a planet?

Star

100

What is the phase of the moon when it is a bright circle and fully illuminated in the sky?

Full moon

100

What is the force that keeps us on earth?

Gravity

100

What is the name of our solar system?

The Milky Way

100

What do you call a "shooting star" ?

A meteor

200

What do you call the path a planet takes around the sun?

An orbit

200

Which two planets have no moons?

Mercury and Venus

200

How long does it take Earth to orbit the sun once?

365 days

200

What is the smallest planet in our solar system?

Mercury

200

What do you call a group of stars that forms a picture?

A constellation

300

What two things does the sun produce that make it shine?

Light and heat

300

How many humans have walked on the moon?

12

300

What is the only planet in our solar system NOT named after a Roman or Greek god?

Earth

300

Name the planets in our solar system in order, starting with the one closest to the sun.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

300

What type of animal was the first in orbit?

A dog

400

What two elements is the sun mostly made of?

Hydrogen and helium

400

What year did humans first land on the moon?

1969

400

What is the only planet known to support life?

Earth

400

What are Saturn's rings made of?

Ice and rocks

400

Who was the first person to walk on the moon?

Neil Armstrong

500

How many years old is our sun?

4.5 Billion

500

How many moons does Mars have?

Two

500

What is it called when the moon passes between the sun and Earth, blocking the sun's light for a short time?

Solar eclipse

500

Which planet is known as the "red planet" ?

Mars

500

What does NASA stand for?

National Aeronautics and Space Administration

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