Planet Facts
Oort and Kuiper
Comets
Meteoroids/Meteorites
Planets Order
100
What causes high surface temperatures on Venus?

The runaway greenhouse effect of its atmosphere.

100

What is the Oort Cloud made up of?

Trillions of comets

100

What type of orbit do comets have?

An elliptical orbit. 

100

What is the word for a meteoroid once it starts burning from Earth's atmosphere?

A meteor.

100

Which planet is pictured at 1?

Mercury 

200

This planet has a huge storm called the Great Red Spot

Jupiter

200

What is the Kuiper Belt made of? 

Left over materials from the formation of the solar system.

200

Where do comets originate from?

The Oort Cloud and Kuiper Belt.

200

What do you call a shooting star?

A meteor. 
200

Which planet is pictured at 4?

Mars. 

300

This planet has the largest temperature range from day to night. 

Mercury

300

Which region has many minor planet-sized or smaller objects orbiting beyond Neptune?

Kuiper Belt


300

Comets have two tails, which one follows the comets orbit?

The dust tail. 

300

If you were out for a walk and a rock fell from the sky, landing at your feet, what sequence describes how the rock changed as it fell?

meteoroid, meteor, meteorite.

300

Which planet is pictured at 8?

Neptune.

400

Which planets have at least 60 moons?

Jupiter and Saturn. 

400

What is the shape of the Oort Cloud?

It is a sphere. 

400

What is the middle, icy and rocky part of a comet called?

The nucleus. 

400

What is the difference between a meteoroid and an asteroid?

Their size. 

400

Which planet is pictured at 6?

Saturn. 

500
How do we know that Mars once had liquid water?

Landforms that look like dry riverbeds. 

500

Where is the Oort Cloud located?

It surrounds our solar system. 

500

The ion tail blows away from the comet due to...

Solar Winds

500

What is a meteorite?

A meteoroid that made it to Earth's surface. 

500

Which two planets spin retrograde?

Venus and Uranus. 

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