8th Earth Science Chapter 22/23 Study Guide

What unit of measurement is equal to the distance between the earth and the sun?

• Nautical Unit

• Galactical Unit

• Astronomical Unit

• None of These

What two elements make up 98% of the sun’s mass?

• Hydrogen & Hafnium

• Hafnium & Helium

• Hydrogen & Helium

• None of These

What do we call the innermost layer of the sun’s interior?

• Chromosphere

• Photosphere

• Core

• None of These

What do we call the visible surface of the sun?

• Chromosphere

• Photosphere

• Core

• None of These

What do we call the lowest layer of the sun’s atmosphere?

• Chromosphere

• Photosphere

• Corona

• None of These

What do we call the hot outer atmosphere of the sun that extends far out into space to become solar wind?

• Chromosphere

• Photosphere

• Corona

• None of These

What do we call the dark areas on the surface of the sun?

• Solar Wind

• Solar Flares

• Sunspots

• None of These

What do we call the flow of mostly protons, electrons, and small atomic nuclei ejected from the sun outward into the solar system?

• Solar Wind

• Solar Flares

• Sunspots

• None of These

What do we call a sudden explosion of the plasma from the sun’s surface that emits a burst of energetic rays and particle into space?

• Solar Wind

• Solar Flares

• Sunspots

• None of These

Tags

NGSS.HS-PS4-3

What is the visible surface of the sun made of?

• Fire

• Uranium

• Plasma

• None of These