Sun
Moon
Stars
Planets
The Universe
100

Why does the Sun look brighter than other stars?

The sun is the closest star to Earth.

100

Which moon phase comes right after the new moon?

Waxing crescent

100

If two stars are the same size, but Star A is closer to us than Star B, which star looks brighter? 

Star A

100

Which way does Earth's gravity pull things?

Down

100

What is the name of the galaxy that Earth is part of?

The Milky Way

200

What happens to a shadow's length during the day?

It gets shorter midday and longer in the morning and evening. 

200

How is the surface of the moon different from the surface of Earth?

Doesn't have air or weather, no mountains, rivers, etc. 

200

Why do some stars only show up in the night sky during certain months?

Earth's position changes as it moves around the Sun.

200

If you can jump 1 meter high on Earth, what would happen if you try to jump on a planet where the gravity is much weaker?

You will jump higher than one meter.
200

What is a meteor?

Small chunks of rock that

travel through space.

300

Why do we experience different seasons like summer and winter throughout the year?

The Earth's tilt changes the amount of sunlight different parts of the Earth receive. 

300

Why can't we always see the whole lit-up part of the moon?

We can't always see the whole lit-up part of the moon because both the moon and Earth are constantly spinning. As a result, our view of the moon's illuminated side changes, leading to different phases of the moon.

300

What is the main reason some stars look brighter than others?

Because of their distance away from Earth.
300

Which planet in our solar system is considered a dwarf planet? Why?

Pluto. It is too small to be considered a planet.

300

What is a comet?

Large objects made of dust and

ice that orbit the Sun. Best known

for their long, streaming tails.

400

Why does the Sun appear to be brighter than other stars, even though some of those stars are larger? Consider the Sun's relative distance from Earth in your answer. 

The Sun is much closer to Earth. Even though some stars are larger, they are farther away, so they appear less bright. 

400

How long does it take for the moon to go around Earth once?

29 days

400

What is a star?

A ball of gas in space that produces light and heat. 

400

Why do the planets orbit the Sun?

The Sun has a gravitational pull on the planets. 

400

What is an asteroid?

A large rock floating in space,

often in groups or belts.

object that is in direct orbit of

the Sun.

500

What happens when one side of the Earth is tilted toward the Sun?

When one side of the Earth is tilted towards the Sun, the Sun's rays hit that part of the Earth more directly, resulting in warmer temperatures and longer days. This corresponds to the season of summer.

500

What causes the changes in the moon's appearance that we call moon phases? 

The changes in the moon's appearance, or moon phases, are caused by the positions of the moon, Earth, and the sun in relation to each other.

500

What are the three main categories of stars?

Dwarf, giant, supergiant

500

How many planets are in our solar system?

8

500

How far does the universe extend?

The observable universe extends about 46.5 billion light-years in every direction, but the full universe likely has no edge and may be infinite.