Astronomy Part 2 - Formative

What protects the Earth from charged particles emitted from the Sun?

• Radio waves from stars

• The Earth's magnetic field

• Visible light from stars

• Gravity from the Moon

Which layer of the Sun do we usually see from Earth?

• Core

• Corona

• Photosphere

• Prominence

Which layer of the Sun is only visible during a total solar eclipse?

• Prominence

• Corona

• Photosphere

• Sunspots

Tags

NGSS.MS-ESS1-1

Sunspots on the surface of the Sun appear darker in color because they are ​ ​ (a)   than the surrounding area.

• cooler
• warmer
• less magnetic
• warmer or cooler depending on the type of sunspot

​ (a)   are huge looping eruptions of gas that arch out from the photosphere.

• Prominences
• Solar Flares
• Sunspots
• The corona

​ Match the letter to the feature.

• C

• Photosphere

• A

• Sun Spot

• D

• Prominence

• B

• Solar Flare

Powerful solar winds release electrically charged particles. These particles cause interference with which of the following?

• Tides

• Seasons

• Temperature

• Communications

Tags

NGSS.HS-PS4-3

Why do the aurora mainly form near the north and south poles?

• There are holes in the atmosphere at the poles

• The temperature at the poles is colder

• There is less visible sunlight at the poles

• The Earth's magnetic field directs charged particles to the poles

The graph shows changes in the number of sunspots over a 100 year period. Which graph represents the correct relationship between the number of sunspots and the amount of magnetic activity on the Sun?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

Match the following characteristics with the correct category of planet.

• short period of revolution

• inner planets

• has a solid surface

• inner planets

• small size

• outer planets

• many moons

• inner planets

• has rings

• outer planets