Science CBA

How many planets are there in our solar system?

• 9

• 11

• 8

• 5

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

• gas

• metal

• water

• rock

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

A spiral galaxy of stars that contains our Sun

• Planisphere
• Intensity
• Star
• Milky Way

Which planet is closest to the sun?

• Uranus
• Mercury
• Neptune
• Earth

Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

A ball of ice and dust with a tail of gas and dust pointing away from the sun.

• Asteroid
• Comet
• Moon
• Meteor