5th grade solar system, stars and galaxies

Question 1

What are the smallest types of stars?

Accepted Answer

Tiny red dwarfs

Question 2

A galaxy is

Accepted Answer

a system of stars held together by gravity

Question 3

Select the INCORRECT statement below.

Accepted Answer

The sun is a red star

Question 4

What is an irregular galaxy?

Accepted Answer

has no structure or shape

Question 5

Dark matter ________.

Accepted Answer

does not give off light

Question 6

How did our solar system form?

Accepted Answer

Formed by a really dense cloud of gas and dust.

Question 7

If Earth was farther from the Sun, the planet's water would be mostly:

Accepted Answer

Solid

Question 8

Stars are held together by

Accepted Answer

gravity

Question 9

Compared to other stars we observe, the Sun appears bigger and brighter because:

Accepted Answer

It is much closer to Earth

Question 10

What colors can stars be?

Accepted Answer

Red, Yellow, Orange

Question 11

Which two elements make up the Sun?

Accepted Answer

hydrogen and helium

Question 12

Nighttime is the result of:

Accepted Answer

Earth's spin

Question 13

Approximately how many stars are in the Milky Way?

Accepted Answer

200 billion

Question 14

What is the Milky Way?

Accepted Answer

Our Home Galaxy

Question 15

Which of the following is NOT an interior layer of a star.

Accepted Answer

corona

Question 16

What is a constellation?

Accepted Answer

patterns of stars in the sky

Question 17

The Milky Way is a _________ galaxy.

Accepted Answer

spiral

Question 18

What is the star at the center of our solar system called?

Accepted Answer

Sun

Question 19

What does the picture below show?

Accepted Answer

3 types of galaxies

Questions 19