Stars

How many stars are in space?

• 10,000

• millions

• trillions

The smallest and the most common stars giving off very little light.

• Blue Giant stars

• Red Dwarf stars

• White Dwarf stars

• Neutron stars

Stars appear to twinkle because

• of their temperature

• their light is passing through our atmosphere

• they constantly change direction

• to make a wish on

Tags

NGSS.HS-PS4-3

The sun is a star about ________ miles away from Earth

• 60 thousand

• 22 trillion

• 93 million

• 4 billion

Tags

NGSS.5-ESS1-1

The main gases that burn within the sun are

• Oxygen and Nitrogen

• Hydrogen and Oxygen

• Neon and Sulfur

• Hydrogen and Helium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

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

Tags

NGSS.MS-PS3-4

Based on evidence in the table, which star would appear the dimmest from Earth’s surface?

• Star A

• Star B

• Star C

• Star D

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

Absolute magnitude is defined as…

• mass of a star

• color of a star

• brightness of a star, as it appears from Earth

• brightness of a star independent from the distance of Earth

Which of the following correctly ranks astronomical objects by size, starting with the smallest?

• earth, sun, solar system, galaxy, universe

• sun, solar system, earth, universe, galaxy

• universe, galaxy, solar system, earth, sun

• solar system, earth, sun, universe, galaxy

Tags

NGSS.MS-ESS1-3