In our galaxy we have planets and smaller worlds called ______. (Hint: Pluto is an example)

Which planet is the closest planet to the Sun with no atmosphere and extreme temperatures? This planet is also our smallest planet and has no moons.

What is the main difference between an asteroid and a meteoroid?

What is the 6th planet from the Sun? This planet is a gas planet with spectacular rings.

What instrument do we use to observe the sun, stars, and planets?

The solar system formed about 4.5 billion years ago from a dense cloud of gas and dust. The cloud collapsed, possibly due to the shock wave of a nearby exploding star, called a supernova. What scientific principle is key in creating AND holding our solar system together?

If a meteoroid hits Earth's surface, it is called a(n)_____

Meteoroids are produced from what objects in space?

When meteoroids enter Earth's atmosphere, they form ______

All planets and non-planetary objects in our solar system:

Most asteroids are formed between which two planets?

Smaller pieces of a larger comet or asteroid in space.

A piece of rock that hits the Earth's surface

A very large piece of rock that is similar to the rocks that made the planets. Most of these are formed between Mars and Jupiter.

A large piece of combined dust, rock, and ice. It is like a dirty snowball orbiting the sun.

The light given off when a piece of rock burns up in the atmosphere- also called a shooting star.