Unit 12 The Solar System

How is a meteorite related to a meteoroid?

• A meteorite is a meteoroid that enters Earth's atmosphere
• A meteorite is a meteoroid that is larger than an asteroid
• A meteorite is a meteoroid that reaches the surface of the Earth
• A meteorite is a meteoroid there is no difference betweeen them. 

What is found between the inner planets and the outer planets?

• a star
• moons
• asteroids
• comets

Which planet has many rings around them that can be seen with a telescope?

• Saturn
• Jupiter
• Earth
• Venus

Why might you use a telescope?

• to predict where a star might be
• to check the thickness of a planet's core
• to collect rock samples from space
• to see more detail about a small area of the sky

What label should Johnny use for the galaxy shown?

• elliptical galaxy
• irregular galaxy
• barred spiral galaxy
• normal spiral galaxy

Which planet has a large, solid core?

• Jupiter 
• Mercury
• Saturn
• Neptune

There are two types of spiral galaxies.  What is the difference between a barred spiral galaxy and a normal spiral galaxy?

• the number of spiral arms
• the number of stars in the galaxy
• the shape of the galaxy's center 
• the color of the stars in the galaxy

Earth and Saturn are both planets that orbit the sun. What do these two planets have in common?

• They are both inner planets.
• They have the same mass.
• They rotate about an axis.
• They have a thick atmosphere.

Which three types of objects are shown in the model?

• the sun, moons, inner planets
• outer planets, asteroids, comets
• planets, moons, meteoroids 
• sun, inner planets, asteroids

Planets are classified as either inner planets or outer planets based on their distance from the sun.  What is found between the inner planets and the outer planets?

• a star
• moons
• comets 
• asteroids