Unit 5.1 Quiz Review

What star category has the largest stars?

• Super giants
• White Dwarfs
• Giants
• Main Sequence

Which star is the coldest?

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

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

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
•  Milky Way, Elliptical Galaxies, and Spiral Galaxies
• Milky Way, Elliptical Galaxies, and Irregular Galaxies

What are in galaxies?

• ice and rock
• dust, gas, and stars
• stars and ice
• water and dust

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

• nebula
• black hole
• white dwarf
• Super Giant

Red stars are the _____________.

• hottest
• coolest
• biggest

Which one is the correct order from hottest to coolest stars?

• blue, yellow,orange, red
• red, orange, yellow, blue
• blue, red, yellow, orange
• yellow, blue, orange, red

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

• Betelguse
• Sirius B
• Procyon B
• Barnard's star