Solar System

What is a common characteristic of the inner  planets?

• Gaseous

• Distance between them is longer

• Rings

• Distance between them is shorter

Earth and the other planets closest to the Sun are made mostly of _______

• gas

• metal

• water

• rock

The moon is a natural  ______ of Earth.

• comet

• axis

• satellite

• space probe

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• phase

• comet

One kind of  _______ is the crescent Moon.  

• axis

• asteroid

• phase

• space probe

One full orbit of an object around another object is called a ________.

• axis

• rotation

• revolution

• satellite

The __________ has planets, moons, comets, and asteroids.

• solar system

• earth

• rotation

• United States

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

• The inner planets all have water

• the inner planets are much bigger than the outer planets

• the outer planets are gas planets

• the outer planets have rings, and the inner planets don't

Where is the asteroid belt found?

• between earth and mars

• Between Uranus and Neptune

• Between Mercury and Venus

• Between Mars and Jupiter

Why does Earth have different seasons? 

• because of the distance between Earth and the sun 

• because of the speed of Earth as it rotates on its axis 

• because of the amount of light blocked by the moon on its axis 

• because of the tilt of Earth on its axis as it moves around the sun