Advertisement Upgrade to remove ads

What two elements make up the majority of the sun?

Hydrogen and Helium

What phenomenon occurs when the Moon passes directly between the Earth and the Sun?

Solar Eclipse

A body that moves around a larger body is space is called a ______________.

satellite

What process produces the Sun's energy?

nuclear fusion

Which layer of the Sun is visible to humans?

Photosphere

Why is the Earth's magnetic field important?

It protects us from harmful solar winds

How long does it take for the Moon to complete one orbit around Earth?

27.3 days

The most accepted explanation for how the Moon formed is called the ____________.

Giant Impact Hypothesis

What shape do most orbits in the solar system follow?

ellipse

Cooler, darker areas on the Sun's surface are called ________________.

sunspots

Which planet has the most gravity?

Jupiter

Which planet has an enormous storm called the Great Red Spot?

Jupiter

Which planet has a thick atmosphere and an extreme greenhouse effect making it the hottest planet?

Venus

Which planet is turned sideways so that part of the planet never faces the Sun?

Uranus

Which planet has the shortest year?

Mercury

Shooting stars are actually _________________.

Meteors burning high in the mesosphere

Small icy bodies with tails of gas and dust are called _______________.

comets

Copernicus proposed that all planets orbit the Sun. This model of the Solar System is called the ________________ model.

heliocentric

Rocky bodies that orbit the Sun, most of which are between Mars and Jupiter, are called _______________________.

asteroids

The most widely accepted explanation for how the Solar System formed is called the ___________________________.

nebular hyptothesis

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set