A _________________________ is a machine that uses escaping gas to move

The _________________ takes pictures of stars, planets and galaxies as it whirls around Earth at about 17,000mph.

What was the 1st satellite to capture images of Black Holes?

A _________________ is an instrument that is used to make distant objects appear brighter and larger.

The first artificial satellite launched into space was:

The 4 inner planets all have:

When the lit side of the moon appears to get bigger, we say the moon is:

Each planet moves around the sun in a path the shape of a(n):

Earth’s axis is tilted with respect to Earth’s orbit at an angle of:

When the people on Earth cannot see a moon, which phase is the moon in?

Which of the following best explains why the Sun appears to move across the sky every day?

The alignment of the Sun, Earth and Moon can produce shadows on the Earth or moon resulting in:

The Moon and the Sun each exert a gravitational pull on the Earth, and this pull has a major impact on the Earth’s:

Which is true?

The gravitational force of the _____________________ keeps our solar system together.

The yearly path of Earth around the Sun is called _________________________.

It takes Earth 24 hours to complete a full:

How many days does it take Earth to revolve around the sun?

The main cause of the seasons is __________________________.

What is the main reason that summer is warmer than winter?

This occurs when the Earth moves directly between the sun and the moon and then throws a shadow onto the moon.

A solar eclipse is _________________________________________.

What type of tide occurs when the Earth, Sun, and Moon are all in a line?

What type of tide occurs when the Sun, Earth and Moon form a 90 degree angle?

Where is the asteroid belt found?

Which planet has extreme temperatures because it has no atmosphere?

One of the main differences between the outer and inner planets is _______________________________.

Earth is the only planet in our solar system known to have ____________________________.

Which choice below gives the correct order of the inner planets?

Which choice below gives the correct order of the outer planets?

What does NASA stand for?

Which of the following is NOT a reason it is beneficial for humans to explore space?

What is the name of the envelope of gases that surrounds Earth?

Which of these is the center of our solar system?

Which of the following are reasons Earth sustains life?

Why is Venus often called Earth's twin?

How can Saturn be the second largest planet, as well as the lowest in density?

Tides are caused mainly by

During the first day of which season does North Carolina experience its longest day?

Firefighters wear jackets that resist fire. The special fabric in these jackets was originally developed for which use?