The Sun

Which factor determines the wavelength of energy emitted by a star?

• temperature

• pressure

• thickness

• most facebook friends

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

The _______________ is the visible surface of the Sun.

• photosphere

• chromosphere

• corona

• convective zone

Which Sun layer is 2500km thick, has an average temperature of 15,000 K, and is only visible during a solar eclipse?

• corona

• radiation zone

• photosphere

• chromosphere

The sun is

• the largest object in our solar system

• 330,000 times as massive as Earth

• the largest star in the galaxy

• contains more than 99% of all mass in the solar system

Tags

NGSS.MS-ESS1-3

The ____________ of a layer of the Sun determines the wavelength of energy it emits.

• color

• temperature

• size

• thickness

Tags

NGSS.HS-PS4-1

The ______________ is the outermost layer of the Sun's atmosphere.

• chromosphere

• photosphere

• corona

• core

The middle layer of the Sun's atmosphere is the

• chromosphere

• corona

• photosphere

• convection zone

A wind of charged particles (ions) that flows throughout the solar system.

• coronal holes

• solar prominence

• flares

• solar wind

What drives solar activity?

• Earth's magnetic fields

• solar winds

• the Sun's magnetic fields

• electromagnetic radiation

Dark spots on the surface of the Sun

• Coronal holes

• sun spots

• dimples

• solar flares