S Unit 12 Lesson 3

____________________ is the study of objects in space and their characteristics.

• astronomy

• stars

• universe

• galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What are big spheres of hot, glowing gases?

• astronomy

• stars

• universe

• galaxy

What are scientists called who study space and everything in it?

• astronomy

• astronomers

• universe

• galaxy

What is a galaxy with no particular shape called?

• spiral

• elliptical

• irregular

• straight

A ___________________ is a galaxy shaped like a flattened globe. 

• spiral

• elliptical

• irregular

• straight

A __________________ is a group of billions of stars 

• universe

• planet

• star

• galaxy

The ________________ is everything that exists.

• galaxy

• star

• universe

• planet

What does the color of a star tell us?

• about its temperature

• about its location

• about its color

• about its size

What is a pinwheet-like galaxy called?

• straight

• elliptical

• spiral

• irregular

Tags

NGSS.MS-ESS1-2

_______________________ is a rapid formation of many new stars. 

• starburst

• galaxy

• cosmic crash

• universe