In convection currents in the mantle, hotter molten rock near the core will...
Expand and Rise
What is a mineral's hardness?
Resistance to scratching
The atmosphere is made up of _____ amount of oxygen?
21
If a pool of water started to disappear, what step in the water cycle would this be?
evaporation
An air mass is a huge body of air that has similar...
Temperature, humidity, and air pressure
air pressure
temperature and humidity
Temperature, humidity, and air pressure
Convection currents in the outer core create Earth's:
magnetic field
naturally occurring, inorganic solid having crystal structure and definite chemical composition
mineral
What is the most abundant gas in the atmosphere made of?
nitrogen
If the amount humidity affects weather, what would you expect might happen with a high amount?
high level of water vapor in the air that day
If the barometer reads 28 what might you expect the weather to be outside?
stormy
Density Plays a Big role in convection currents & Earth's layers, what is density?
all describe density
not formed from living things or the remains of living things
inorganic
Pick the atmosphere layer that are in the correct order starting with the lowest layer first.
troposphere, stratosphere, mesosphere, thermosphere
Which on would show evidence that condensation if forming in the sky?
cloudy
What kind of front does this symbol represent?
occluded
What force is responsible for pulling cooler, denser molten material to the bottom of the layers?
gravity
What does it mean when we say a mineral has fracture?
If it breaks unevenly or into curved surfaces
What layer is our weather located in?
troposphere
Animals as well as people release water vapor when they exhale and this is called transpiration. T/F?
False
What kind of front does this symbol represent?
cold front
What is a mineral's streak?
powdered color
The mesosphere helps us destroy meteoroids?
true
What two things help power the water cycle?
sun and gravity
What kind of symbol does this represent?
Warm Front