Air
Can wind travel faster than the speed of sound?
"Yes"
Outside of Antarctica, what is the largest desert in the world?
The Sahara Desert in Africa
At what temperature does water freeze?
32 degrees F, 0 degrees C
How many planets make up the solar system?
Eight
When is Earth Day?
April 22
At what temperature does water vaporize?
212 degrees F, 100 degrees C
Over a long period of time while under extreme heat and pressure, graphite turns into which precious mineral?
Diamond
How much of the earth’s surface is water?
80%
Which astronomer is called out in “Bohemian Rhapsody”?
Galileo
The founder of Earth Day is a senator from which state?
Wisconsin
What is the second most common gas found in the air we breathe?
Oxygen (21%)
What do you call molten rock before it has erupted?
Magma
What is the name of the largest ocean on earth?
The Pacific Ocean
Which constellation represents a hunter and weapons?
Orion
What region on Earth produces 20% of the planet's oxygen?
The Amazon rainforest
Nimbus, cumulus and stratus are types of what?
Clouds
Do stalactites rise from the floor or hang from the ceiling of limestone caves?
Hang from the ceiling
How much does one gallon of water weigh?
8.34 pounds
Which planet has the fastest rotation?
Jupiter
Which president created the EPA?
Richard Nixon
Nucleon is a collective name for two particles, the neutron and proton. True or False?
TRUE
What are the two main metals in the earth’s core?
Iron and nickel
How much water must a dairy cow drink to produce one gallon of milk?
Four gallons
How many EARTHS can fit inside the SUN?
ONE MILLION
Most of Earth's breathable air comes from where?
The ocean