TH GRADE SCIENCE STAAR REVIEW

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

The distance that light travels in one year...

• Light year
• Quantumyear
• Stellar-year
• 1 million kilometers

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Which of these stars is hottest?

• Red Star
• Yellow Star
• Orange Star
• Blue Star

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Stars are formed in a cloud of gas and dust called a

• nebula
• black hole
• white dwarf
• Super Giant

Which star has the lowest temperature?

• A
• B
• C
• D