Show:
Earth and Weather
Earth and Our Universe
Energy and its Forms
Plants and Animals
General Knowledge
100
Because nearly three-fourths of the surface is covered by water. 
Why is Earth called the Blue Planet?
100
Spring, Summer, Fall and Winter
What are the four seasons?
100
The biggest star in our solar system
What is the Sun?
100
Keep a plant stable, are below the ground and store food made by leaves
What are the roots of a plant?
100
Athens
What is the capital city of Greece?
200
The movement of water from Earth's surface into the air and back again 
What is the Water Cycle?
200
About one year
How long does it take the earth to make a complete trip around the sun?
200
The ability to do work or to cause change
What is energy?
200
A Joey
What is a baby kangaroo called?
200
The fourth planet from the sun, "The Red Planet"
What is Mars?
300
The change from liquid water to a gas
What is evaporation?
300
It rises in the East
Where does the sun rise? 
300
The transfer of energy from a warmer object to a colder object
What is heat energy?
300
A change in form during an animal's life cycle
What is metamorphosis?
300
10. Algeria 9. Kazakhstan 8. Argentina 7. India 6. Australia 5. Brazil 4. China 3. United States of America 2. Canada 1. Russia
What the 10 biggest countries in the world?
400
A large, moving body of ice
What is a Glacier?
400
About 27 days
How long does the moon take to complete one trip around earth?
400
Stored energy that can change into another type of energy
What is potential energy?
400
Cones
What are made by conifer plants?
400
The Bullet Ant
Which insect has the most painful bite/sting?
500
Any process that breaks rocks into smaller pieces
What is weathering?
500
When no part if the moon's lit half is visible
What is a new moon?
500
The energy of moving particles
What is thermal energy?
500
A feature passed on from a parent
What is a trait?
500
An English Scientist who invented calculus and discovered the law of Gravity
Who is Sir Isaac Newton?