Homework #3 (Describing Stars)

What word best describes our sun?

• Average
• Supergiant
• Dwarf
• Red Giant

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

What is the name of the largest stars?

• Protostars
• Supergiants
• Red Giants
• Dwarf Stars

Why does the sun look small in the sky to us?

• It is 93,000,000 miles away
• It is smaller than Earth
• It is not very bright
• It travels around Earth

What is the name of the gas/dust clouds that form stars?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

What is the name of the explosion at the death of a massive star?

• Supergiant
• Supernova
• Black Hole
• Nebula

Felix examined several photos of stars. To compare their temperatures, he looked at the colors of the stars. He organized the photos in order from coolest to hottest. Which of these answers shows the correct order?

• red, yellow, white, blue

• white, blue, yellow, red

• yellow, white, blue, red

• blue, yellow, white, red

A scientist discovers a new star. It is blue-white and is about 20,000 K. Which star is it most similar to?

• Sun

• Rigel

• Vega

• Canopus