This term refers to the amount of air molecules in a certain amount of space; air _________
Density
The climate with the highest humidity is most likely to be a....
Tropic
What are the second layer of the Earth?
Mantle
What is the biggest type of taxon group that we put living things into?
Domain
A huge ball of gas capable of fusing hydrogen into helium is best known as a ________
Star
This is the phase of the water cycle that occurs when cold air and warm air collide and cause water vapor to become too heavy to keep in the atmosphere
Precipitation
Climate is determined by location, ________, and weather patterns.
Elevations
What is an index fossil?
A fossil found in only one layer of the crust all over the world; used to figure out how old other fossils are
Every living thing has a scientific name made up of their ________ and _________
genus and species
Which planet has no atmosphere, no moons, and a day that lasts longer than its year?
Mercury
What causes warm and cold fronts?
Deserts are defined by their lack of ___________.
Precipitation
The absolute age of a fossil is determined by a process called ___________ dating
radiometric
Name two classes of organism that have backbones
Amphibia, fish, Reptilia, Mammalia, and Aves
If a rock that was orbiting a planet makes contact with the planet's surface, is it a meteor, meteorite, or meteoroid?
meteorite
Cumulonimbus
The Equator is the most central band of _________ (starts with "L")
latitude
Two of the key steps in the rock cycle are weathering and _____________.
erosion
crocodile, snake, tuatara, tortoise, etc.
Define gravity
The bending of an object's straight line of travel
What causes wind?
When warm air rises and cold air rushes in to take its place
What is the name for the classification system of the climates?
Koppen-Geiger
The asteroid that killed the dinosaurs left a thin layer of this rare metal in one layer of the Earth. What is the metal?
Iridium
Rabbits and hares
List all three requirements for an object to be a planet
1. must orbit a star
2. must be spheroid in shape
3. must clear its own orbit of other objects