All About Stars and the Sun

What color is the Sun?

• Blue

• Yellow

• Red

• Green

Which star is the brightest in the night sky?

• Sirius

• Polaris

• Betelgeuse

• Vega

What is the main reason stars appear to twinkle in the night sky?

• They are moving

• Earth's atmosphere

• They are changing colors

• They are blinking

Which color of star is the hottest?

• Red

• Yellow

• Blue

• White

How does the brightness of a star relate to its distance from Earth?

• Closer stars are always dimmer

• Farther stars are always brighter

• Closer stars appear brighter

• Distance does not affect brightness

What is the surface temperature of the Sun approximately?

• 1,000°C

• 5,500°C

• 10,000°C

• 15,000°C

Why do stars have different colors?

• Because of their size

• Because of their temperature

• Because of their age

• Because of their distance

If a star is red, what can we infer about its temperature compared to a blue star?

• It is hotter than a blue star

• It is cooler than a blue star

• It is the same temperature as a blue star

• It is not related to temperature

Tags

NGSS.HS-PS4-3

How does the Sun's brightness compare to other stars in the universe?

• It is the brightest star

• It is an average star

• It is the dimmest star

• It is brighter than all other stars

What feature of the Sun helps provide energy to Earth?

• Its color

• Its light and heat

• Its size

• Its distance

Tags

NGSS.MS-ESS2-4