Planets
Planet's part 2
Space
Space pt. 2
Science Facts
100

How many planets are in our solar system?

8

100

What is the smallest planet in the solar system?

Mercury

100

What is the correlation between mass and gravity?

The more mass the more gravity

100

What is the most important part of the solar system?

The sun

100

Biology is the study of what?

LIFE

200

What are the 4 inner planets?

Mercury, Venus, Earth & Mars

200

What is the biggest planet in our solar system?

Jupiter

200

What is the difference between Rotation and Revolution?

Rotation=spin on its axis

Revolution=spin around (the sun) in an orbit

200

Where does our solar system end?

The Oort cloud/50000 AU

200
The ability to convert sunlight into energy is called what?

Photosynthesis

300

What are the 4 outer planets?

Jupiter, Saturn, Uranus, & Neptune

300

What is the coldest planet in our solar system?

Neptune

300

What types of celestial bodies are in our solar system?

Star, planets, moons, comets, asteroids, etc.

300

What keeps the planets from floating away?

The Sun's gravity

300

What is everything made up of?

Matter

400

What are the 2 gas planets?

Jupiter & Saturn

400

What invisible force attracts and keeps all things to the ground? 

Gravity

400

What is the Oort cloud?

The edge of our solar system AND/OR a cloud of icy debris

400

What is the process that "makes planets"?

Accreation

400

What are 3 things needed in order for photosynthesis to happen?

Sunlight, water, CO2

500

What is the hottest planet in our solar system?

Venus

500

What is the correct order of the planets in our solar system?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, & Neptune

500

What are the 3 conditions to be a planet?

1. orbit a star

2. have to be a sphere

3. clear your orbit

500

When stars are forming, what is the name of a floating, rotationg disk of mass?

Solar Nebula

500

How old is our solar system?

4.6 billion years old