Space 1 Multiple Choice Test

The ___________ is the center of our solar system.

Inner planets are ________________________

Outer planets are __________________________.

The sun is a ____________________.

Sudden bright streaks are called ______________.

A _____________ is a body that orbits a planet.

A ___________ is a cold mixture of dust and ice that gives off a long trail of light as it approaches the sun.

Currently, we have ____ planets in our solar system.

Comets are ___________________.

Gravity depends on and ______.

Objects in space with more mass will have _________ gravity when compared to less massive objects.

Why is the moon not pulled to Earth by gravity?

_____________ is the tendency of an object to resist a change in motion.

_ and _ combine to keep Earth in orbit around the sun and the moon in orbit around Earth.

Which of the following have an affect on the Earth's Tides?

When the moon and sun are in line a _______ tide is created.

Where is the moon located for a full moon?

When the line between Earth and the Sun is at right angles to the line between Earth and the moon a _________ tide is created.

Earth and ___________ are about the same size.

Pluto is no longer considered a planet because __________________.

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