Galaxies TSD

1. You play with some sand at the beach and create your own tiny spiral galaxy. What would each grain of sand represent in your model?

• A. A galaxy

• B. A planet

• C. A star

• D. A moon

2. Which type of galaxy is considered to be the most abundant in the universe?

• A. Irregular

• B. Elliptical

• C. Spiral

• D. There are equal amounts of all types of galaxies

3. According to estimations by astronomers, how many light years in diameter are most galaxies in the universe?

• A. Thousands of light years or more

• B. Hundreds of light years

• C. 50-100 light years

• D. 1-10 light years

4. What do astronomers presume is located at the center of the Milky Way galaxy?

• A. A giant star

• B. A big bang

• C. Another galaxy

• D. A black hole

Tags

NGSS.MS-ESS1-2

5. What is the name of the galaxy in which we live?

• A. Milky Way galaxy

• B. Andromeda galaxy

• C. Whirlpool galaxy

• D. Black Eye galaxy

6. Galaxies are classified according to which of the following?

• A. Color

• B. Brightness

• C. Size

• D. Shape

7. Which of the following is correctly ordered from largest to smallest?

• A. Solar system, galaxy, universe

• B. Universe, galaxy, solar system

• C. Universe, solar system, galaxy

• D. Galaxy, universe, solar system

8. What is a galaxy?

• A. All the matter that scientists have been able to identify

• B. Huge systems of billions of stars, gas, and dust held together with gravity

• C. A cloud of gas and dust that spawns new stars

• D. A burning sphere of gases

Tags

NGSS.MS-ESS1-2

9. Which two galaxies are classified as the same shape as the Milky Way?

• A. Andromeda and Cigar

• B. Messier 87 and Sombrero

• C. Pinwheel and Andromeda

• D. Sagittarius Dwarf and Cigar

10. The Milky Way galaxy is approximately 105,000 light years in diameter. Which of the following galaxies has a diameter most similar to the Milky Way?

• A. Andromeda

• B. Cigar

• C. Pinwheel

• D. Sombrero