Ancient Astronomers/ Big Bang/ Stars/ Space Exploration

What is the diagram called that shows the relationship between star size and temperatures?

• bar graph

• HR diagram

• star chart

• Star diagram

Tags

NGSS.5-ESS1-2

Consider the color of the sun. Based on this color, what is the sun's approximate surface temperature?

• 10,000-30,000

• 6000-7500

• 30000-60000

• <3500

Which of the following statements best relates a star’s color to its surface temperature?

• blue stars have a relatively low temperature

• red stars have a relatively high temperature

• blue-white stars have a relatively low temperature

• yellow stars have a relatively low temperature

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

Which of the following is NOT a characteristic used to classify stars?

• Color
• Temperature
• Size
• Shape

Stars that are very bright, large & burn at the highest temperature

• Blue Giant stars

• Red Giant

• Neutron stars

• Proto stars

Tags

NGSS.HS-ESS1-3

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

Tags

NGSS.5-ESS1-1

Began a new era of astronomy when he proved that the Sun was the center of the universe

• Aristotle

• Isaac Newton

• Claudius Ptolemy

• Nicolaus Copernicus

Built a telescope and made discoveries which changed astronomy; discovered 4 moons of Jupiter

• Galileo Galilei
• Aristotle
• William Herschel
• Claudius Ptolemy

Which piece of evidence supports the Big Bang theory?

• Galaxies are staying in the same places

• Galaxies are moving away from us

• Galaxies are moving towards us

• Galaxies all orbit the center of the universe