Sun and Moon

How does the Sun produce energy?

• Fusion of Hydrogen into Helium

• Burning Helium

• Burning Hydrogen

• Fusion of Helium into Hydrogen

Answer explanation

The sun is a balanced star that is constantly fusing Hydrogen into Helium and energy.

MARK GARLICK/SCIENCE PHOTO LIBRARY

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Which part of the Sun is visible during a solar Eclipse?

• Photosphere

• Corona

• Solar Wind

• Core

Answer explanation

During a solar eclipse the sun's Corona is the only part that is visible on earth. The rest of the sun is blocked from view by the moon. (Corona means Crown in latin - The Corona looks like the suns crown during an eclipse)

REV. RONALD ROYER / SCIENCE PHOTO LIBRARY / Universal Images Group

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The bright yellow surface of the Sun that we can see best is called the ______________________.

• Photosphere

• Core

• Corona

• Solar Winds

Answer explanation

When we look at the sun from earth we see the Photosphere.

PROFESSOR JAY PASACHOFF / SCIENCE PHOTO LIBRARY / Universal Images Group

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The Northern and Southern lights are a visible image of _________________ interacting with the Earth's Magnetic Field and the upper levels of the the Earth's atmosphere.

• Sun Spots

• Meteors

• Solar Winds

• Eclipse

Answer explanation

Solar Wind particles interacting with the Earth’s magnetic field and the upper atmosphere create the Auroras,

the Northern and Southern lights.

Michael Giannechini / Photo Researchers / Universal Images Group

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The ____________________ and the ______________________ protect the Earth from the dangerous particles found in the Solar Winds and other space debris.

• Earth's Atmosphere

• Earth's Ozone Layer

• Earth's Magnetic Field

• Earth's Distance from the Sun

Answer explanation

The earth's magnetic field and earth's atmosphere help prevent the earth from being bombarded with the fast moving, electrically charge particles of the solar winds and other space debris that is harmful to life.

SCIENCE PHOTO LIBRARY

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The hottest part of the sun is _________________.

• Core

• Photosphere

• Corona

• Sun Spots

Answer explanation

The Core is the hottest part of the Sun 15,600,00 C.

The Photosphere is @6,000 C.

The Corona is 1,000,000 C.

Sun Spots are @3,500 C.

Encyclopaedia Britannica, Inc.

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What phase of the moon is this?

• Waxing Crescent

• Waxing Gibbous

• Waning Gibbous

• Waning Crescent

Answer explanation

This is a Waxing Gibbous Moon. The light is on the right and it more than half the moon is visible.

Owen Humphreys / PA Archive / Press Association Images / Universal Images Group

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NGSS.MS-ESS1-1

What phase of the moon is this?

• Waxing Crescent

• Waxing Gibbous

• Waning Gibbous

• Waning Crescent

Answer explanation

This is a Waning Crescent Moon. The light is on the left and only a small portion is is visible.

John Chumack / Photo Researchers / Universal Images Group

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NGSS.MS-ESS1-1

What phase of the moon is this?

• 1st Quarter Moon

• Waxing Gibbous

• Waning Gibbous

• 3rd Quarter Moon

Answer explanation

This is a 1st Quarter Moon. The light is on the right and half the moon is visible.

ECKHARD SLAWIK / SCIENCE PHOTO LIBRARY / Universal Images Group

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The dark flat lunar plains on the moon formed when magma filled in the craters left by the meteorites are called the _________________

• Lunar Maria

• Lunar Highlands

• Lunar Craters

Answer explanation

Maria – Flat lunar plains formed when magma spewed up through cracks formed in the surface from meteorite impacts. The magma filled in the craters left by the meteorites. Maria is latin for seas so the Maria are also referred to as "The Sea of ______________".

Apollo 11 landed in the Sea of Tranquility.

J-P METSAVAINIO/SCIENCE PHOTO LIBRARY / UIG

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