Objects in our Solar System
Scale of Objects
Inner Planets
Outer Planets
Extra
100

An object in our solar system has been discovered orbiting the Sun in a very long path that extends far past Pluto.  It is composed of mostly ice and is approximately 1km in diameter. It is known as dirty snowball but what is it's original name?

Comet

100

Name 2 different types of telescopes. 

Answers may vary. 

100

Inner planets are classified as rocky or icy planets?

Rocky Planets

100

Outer planets are classified as rocky or icy planets?

Icy Planets

100

What is the order of the composition of the universe from largest to smallest?

Universe, milky way, solar system, planet (earth)

200

An object in our solar system has been discovered orbiting between mars and Jupiter.  It has a rocky composition and is 2km in diameter. What is it?

Asteroid

200

What type of device helps us to study objects in the universe by detecting the heat or radio waves or X-rays they emit.

telescopes

200

Inner planets usually do not have moons. What inner planet has one moon?

Earth

200
Outer planets usually have tons of moons. Which outer planet has the most moons and how many?

Saturn with 82 moons

300

What two gases are our star mainly composed of?

Hydrogen and helium 

300

True or false: A satellite is a moon, planet or machine that orbits a planet or star.

True. 

300

Name the four inner planets going from closet to the sun to further away.

Mercury, venus, earth, mars

300

Name the four outer planets going from closet to the sun to further away.

Jupiter, Saturn, Uranus and Neptune

300

The supermassive black hole at the center of the Milky Way our galaxy has a mass equal to about 4 million suns and would fit inside a very large ball that could hold a few million Earths. What is the name of our supermassive black hole?

Sagittarius A

400

Object V-Dracks has no atmosphere, takes a year to orbit its star, and has a rocky solid surface.What is object V-Dracks?

Asteroid

400

What are satellites mainly used for?

communications, such as beaming TV signals and phone calls around the world.

400

How long does it take the earth to revolve around its star, the sun?

365 days

400

True or false: Outer planets have a long revolution around the sun because they are farthest away. 

True

500

Why is pluto considered a dwarf planet?

It did not meet the criteria to be a planet because it can not clear its region of other objects. 

500

Explain how advancements in engineering and technology over the years have allowed scientists to learn about Mars and Earth's moon.  Use the images above to support your answer.

Answers will vary. 

500

What planet is linked to war?

Mars

500

What are the outer planets rings made of?

made of thin circle of small ice and rock particles

Click to zoom