Earth and Space Unit Test

What does a spiral galaxy look like from different angles?

• It looks the same from all angles.

• It looks like a circle from some angles and like a line from others.

• It changes colors depending on the angle.

• It becomes invisible from certain angles.

What can affect the shape of a planet?

• The speed of rotation.

• The presence of water.

• The number of moons.

• The distance from the sun.

When does the sun look like a crescent?

• When the moon is between the Earth and the sun.

• When the sun is between the Earth and the moon.

• When we can see only part of the sun's sunlit side.

• When the sun is eclipsed by another planet.

How does the speed of a meteorite affect the crater it makes?

• Faster meteorites make smaller craters.

• The speed of the meteorite has no effect on the crater size.

• Faster meteorites make larger craters.

• Only the size of the meteorite, not the speed, affects the crater size.

What did people think was the center of the universe before telescopes and space exploration?

• The Sun

• The Moon

• Earth

• Mars

What is the center of our solar system?

• The Moon

• Mars

• Earth

• The Sun

Which of the following terms refers to the path that Earth takes as it moves around the Sun?

• Axis

• Rotation

• Orbit

• Revolution

What causes the sun and other objects, such as other stars, to appear to move across the sky?

• The sun's movement around Earth

• Earth's rotation on its axis

• The moon's orbit around Earth

• The revolution of the solar system around the galaxy

What is the term for the spinning of Earth on its axis?

• Axis

• Rotation

• Orbit

• Revolution

What is the term for Earth's movement around the Sun?

• Axis

• Rotation

• Orbit

• Revolution