6th Grade Ch. 15 Solar System Test Review Guide

What do we call a large body of ice and rock that travels around the sun in an elliptical orbit

The spinning of Earth around its axis is called _______.

Why do we see the same side of the moon?

The ____ galaxies are difficult to classify, since they come in all sorts of shapes and sizes.

Used to measure distances in space.

Why does the moon have phases?

Used to measure distances between galaxies.

What do we call small, rocky, objects that are often found in a belt between mars and jupiter?

When the sun strikes at a higher angel and we have more hours of daylight, what season is it?

What causes night and day? 

Which is a larger distance?

What causes the tides?

The ____ galaxies have arms radiating outward from the center, somewhat like a giant pinwheel.

What does it mean if the moon is waning?

The inner planets are mostly _____ while the outer planets are mostly ____.

The moon can make its own light.

What does it mean if the moon is waxing?

Since planets are smaller and do not give off much light, they are not considered ____.

The ____ galaxies are very common, and shaped like a huge football or sphere.

What causes the seasons on Earth?

What do we call a fragment from space that survives the fall to Earth?

What do we call a group of stars that form "patterns" in the sky?

The movement of planets, in a regular curved path around the sun is known as a planets ______.

The movement of Earth around the sun is known as Earth's _____.

Used to measure distances between planets.