Planets
Earth
Moon
Stars
Asteroids, Comets, Meteors, Dwarf Planets
100

Why is travel to other planets outside our galaxy impossible?

Planets in other galaxies are too far away.

(A group of many stars, dust, and gas held together by gravity forms a galaxy)

100

What planet is the only one in the universe to support life?

Earth.

(Earth is different from all planets because it is also the only planet to have a breathable atmosphere)

100

Why does the moon appear to shine at night?

The moon reflects the sun's light.

100

The sun is a what?

A star

100

Name a dwarf planet.

Pluto.

200

What group of planets are rocky, smaller, have few moons, are close to the sun, and have no rings and have shorter revolution periods?

The inner planets

(The outer planets are larger, gaseous, have rings, have many moons, are further from the sun, and have a longer revolution period)

200

What does the Earth do in one day?

Make one full rotation on its axis.

(This causes day and night)

200

Why does the moon appear larger than the stars in the sky?

The moon is closer.

200

What star is the closest to Earth and the only star in our solar the system?

The Sun

200

Why is Pluto not a planet?

Too many objects in it's orbit.

300

What are the four inner planets?

Mercury, Venus, Earth, and Mars

(Outer planets are Jupiter, Saturn, Uranus, Neptune)

300

How long does it take for the Earth to make one revolution around the sun?

365 days

300


What moon phase comes after the first quarter moon?

Waning Crescent

300

A group of stars in the night sky that form a pattern are called what?

A constellation.

300

How are asteroids different from planets?

Asteroids are smaller than planets.

400

Mercury's surface is covered in what?

Craters

400

What number planet is Earth away from the sun?

3rd

400

Correctly identifies all three objects in this image.

Sun, Earth, Moon

400

There are 4 things listed. Earth, small star, medium size star, and large star. What things are found inside our solar system?

Earth and medium size star (the sun).

(Small stars, medium size stars, and large stars can all be found outside our solar system)

400

Is this statement true or false. Comets are made mostly of ice and asteroids are made mostly of rocks.

True

(A comet is a mass of rock, ice, and dust that has a tail when it nears the sun)

500

Name all the planets in order.

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

500

Answer sun rays problem.

July, October/April, January

500

The moon is considered a what?

A natural satellite

500

A star named Sirius appears to be the brightest star in the nighttime, even though a star named Polaris actually gives off more light. What is the reason for Sirius appearing brighter than Polaris?

Sirius is closer to the Earth than Polaris is.
500

What separates the inner and outer planets?

The asteroid belt