Sun and Stars

What is a star?

• collection of dust that gives off heat and light

• huge ball of hot, glowing gas that gives off heat and light

• ball of electricity that gives off heat and light

• a bright burning planet that gives off heat and light

Why can't we see the stars during the day?

• other stars are too small to see during the day

• the sun is so much bigger than other stars that we can't see them from Earth during the day

• the sun is so brighter that we can't see other stars during the day

• Other stars aren't close enough to see

The Sun is held together by __________.

• plasma

• heat

• gravity

• the atmosphere

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In comparison to other stars in the sky, the Sun appears brighter because it is ...

• hotter

• larger

• older

• closer

Where is the energy for the Sun created?

• in the Sun's atmosphere

• in the convection zone

• in the hot zone

• in the core

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The hottest stars are _________ stars.

• dwarf

• blue

• supergiant

• red

__________ stars are the coolest stars.

• Red

• Blue

• Medium

• Supergiant

Energy is produced within a star's core by the process of

• insolation
• conduction
• nuclear fusion
• radioactive decay

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

To an observer on Earth, the Sun appears brighter than the star Rigel because the Sun is

• hotter than Rigel
• more luminous than Rigel
• closer than Rigel
• larger than Rigel 

You can tell stars apart by looking at their ___?

• size, color, and brightness

• size, heat, and light

• size, temperature, and distance

• brightness, color, and distance