The universe is expanding or contracting?
Expanding
What type of front is associated with thunderstorms?
Cold Front
What is the scale that measures a minerals hardness?
Mohs Scale
What is the half life of Carbon 14?
5730 years
Billions of stars in one place is called a...
Galaxy
What are the main two elements used in nuclear fusion?
Hydrogen and Helium
Where would a maritime polar air mass come from?
Ocean near the poles
The mid-atlantic ridge was formed by what boundary?
Divergent
On the meander of a river where is there going to be the most erosion?
On the outside of the curve
What is the softest mineral?
Talc
Which tide has the highest high tides and the lowest low tides?
Spring Tides
Where is the intertropical convergence zone?
At the equator
Compare continental and oceanic crust
Continental crust is thicker and less dense
What is the name of scratches or grooves in rocks caused by glaciers?
Striation
What activities causes greenhouses to increase?
Driving cars, Deforestation, Farming
What are the four jovian planets?
Jupiter, Saturn, Uranus, Neptune
List all 5 of Earth's Spheres
Hydrosphere, Biosphere, Geosphere (Lithosphere), Atmosphere, Cryosphere
Which composition of igneous rocks has the highest melting point?
Ultramafic
What is the disintegration product of Uranium-235?
Lead 207
What is special about a hotspot volcano?
It forms through the plate not the boundary
Why do we only see one side of the moon?
Rotation and revolution are at the same speed
What commonly drives most storms that pass through the USA?
The jet stream
What causes contact metamorphism?
An igneous intrusion
How many millions of years ago was the last ice age?
What star is the hottest with the highest luminosity?
Beta Centauri