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)
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)
Why does the moon appear to shine at night?
The moon reflects the sun's light.
The sun is a what?
A star
Name a dwarf planet.
Pluto.
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)
What does the Earth do in one day?
Make one full rotation on its axis.
(This causes day and night)
Why does the moon appear larger than the stars in the sky?
The moon is closer.
What star is the closest to Earth and the only star in our solar the system?
The Sun
Why is Pluto not a planet?
Too many objects in it's orbit.
What are the four inner planets?
Mercury, Venus, Earth, and Mars
(Outer planets are Jupiter, Saturn, Uranus, Neptune)
How long does it take for the Earth to make one revolution around the sun?
365 days

What moon phase comes after the first quarter moon?
Waning Crescent
A group of stars in the night sky that form a pattern are called what?
A constellation.
How are asteroids different from planets?
Asteroids are smaller than planets.
Mercury's surface is covered in what?
Craters
What number planet is Earth away from the sun?
3rd

Correctly identifies all three objects in this image.
Sun, Earth, Moon
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)
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)
Name all the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Answer sun rays problem.
July, October/April, January
The moon is considered a what?
A natural satellite
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?
What separates the inner and outer planets?
The asteroid belt