Stars, Planets, Galaxies - Brain Load

What do these pictures compare?

• marbles

• Earth and the sun

• the sizes of planets and the sun in our galaxy

• all the stars in the galaxy

Which planet can we observe is the largest in the picture?

• Saturn

• Jupiter

• Earth

• Mars

How does the size of the sun compare to the size of the largest planet?

• A. It is much smaller.

• B. It is about the same size.

• C. It is much larger.

• It is just a little smaller

Our galaxy is called the

• Earth Nebula
• The Hubble Galaxy
• The Milky Way
• The Snickers

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity

Which terrestrial planet is the largest?

• Earth
• Venus
• Mars
• Mercury

What are the first four terrestrial planets made of?

• Gas
• Rock
• Metal
• Ice

Which of the following are often referred to as a falling star?

• meteoroid

• meteor

• meteorites

True or False: Meteoroids can be as small as a speck of dust.

• True

• False

Select all that apply. Meteoroids can be:

• rocky

• volcanic

• gaseous

• metallic

• planet size