1Question
What is the name of the star at the center of our solar system?
2Question
How many planets are in our solar system?
3Question
Name the planet we live on.
4Question
Which planet is closest to the Sun?
5Question
Which planet is farthest from the Sun?
6Question
What force keeps the planets moving around the Sun?
7Question
What do we call a path that one object follows around another object in space?
8Question
Which object does Earth orbit?
9Question
What do we call the time it takes Earth to orbit the Sun once?
10Question
What do we call the time it takes Earth to spin once on its axis?
11Question
What is the name of Earth's natural satellite?
12Question
Which planet is known as the Red Planet?
13Question
Which planet is the largest in our solar system?
14Question
Which planet has the most famous system of rings?
15Question
What are planets made of: do they produce their own light or do they reflect light from the Sun?
16Question
What is the name for a small rocky object that orbits the Sun and is often found between Mars and Jupiter?
17Question
What is the main region called where many asteroids are found between Mars and Jupiter?
18Question
What do we call a large icy object that can develop a tail when it gets close to the Sun?
19Question
What is the term for a natural object that orbits a planet?
20Question
Is the Sun a planet or a star?
21Question
Which planets are called the inner planets?
22Question
Which planets are called the outer planets?
23Question
Which is bigger: Earth or the Moon?
24Question
Which planet is known for having a thick atmosphere and being very hot?
25Question
What do we call the imaginary line that goes through Earth from the North Pole to the South Pole?
26Question
Why do we have day and night on Earth?
27Question
What causes the seasons on Earth?
28Question
What is the name of the point where Earth is closest to the Sun in its orbit?
29Question
What is the name of the point where Earth is farthest from the Sun in its orbit?
30Question
What is one reason the Sun looks so bright from Earth?
31Question
How do the planets in our solar system move around the Sun: in straight lines or in curved paths?
32Question
Which planet is the smallest planet in our solar system?
33Question
Which planet is often called Earth's sister planet because it is similar in size?
34Question
What is the name of the force that pulls objects toward Earth and also keeps the Moon orbiting Earth?
35Question
What do we call the collection of the Sun, planets, moons, asteroids, comets, and other objects in space?
36Question
Which planet has the coldest average temperatures among the planets?
37Question
Which planet is tilted on its side as it orbits the Sun?
38Question
Why do comets sometimes have a tail?
39Question
Put these objects in order from closest to farthest from the Sun: Earth, Mars, Mercury, Venus.
40Question
Explain in one or two sentences why the Sun is important to life on Earth.