Unit 7 Chapter 6

Chapter 6: Galaxies

pages 34-41

What’s In Our

Universe?

Poll

Asteroids are space rocks that orbit the sun.

• TRUE

• FALSE

Poll

Pieces of a meteor found on the ground are meteorites.

• TRUE

• FALSE

Multiple Choice

What is the same about the sun and the stars in the night sky?

• They both shine brightly in the winter.

• They are both big balls of hot gas.

• They are both very large and are made of ice and dust.

Multiple Choice

Why do the night stars look different than the sun?

• The night stars are much farther away from Earth than the sun.

• Night stars reflect the moon, so shine more brightly than the sun.

• Night stars are much larger than the sun, so appear brighter.

Multiple Choice

What is the main idea of page 36?

• Some stars are very close to Earth.

• Astronomers have discovered that stars are different in many ways.

• Some stars are much hotter and larger than other stars.

Multiple Choice

Which word could replace cluster in the following sentence:

Astronomers also discovered that stars cluster together in large groups.

• gather

• spin

• float

Multiple Choice

Which galaxy do our sun and solar system belong to?

• Andromeda

• United States

• Milky Way

• Southern Spiral

Multiple Choice

Why is the word billions used to describe stars and galaxies?

• Billions is a very large number and there is a very large number of stars and galaxies in the universe.

• Billions is a Greek word that means bright stars clustered together in the galaxy.

• Billions means very bright and describes how the stars appear to people on Earth.

Poll

It is possible to see the Andromeda Galaxy at night.

• TRUE

• FALSE

Match

Match the following

• Milky Way Galaxy

• Billions

• Astronomers

• Galaxy

• Stars

The galaxy that contains Earth

A very large number

Scientists who study stars

A large group of stars together

Big balls of hot gas

• The galaxy that contains Earth

• A very large number

• Scientists who study stars

• A large group of stars together

• Big balls of hot gas