This instrument measures wind speed
anemometer
this instrument measures air pressure
barometer
The salinity of the ocean varies. Salinity means
saltiness
Copernicus and Galileo believed this was the center of the solar system
sun
What is a watershed
an area where the surface water and all the materials it carries drain into a larger body of water.
What important energy source is mined in the southwestern part of Virginia
Coal
what type of rock forms when magma cools below earth's surface or from an erupting volcano
igneous
What type of rock forms with heat and pressure
metamorphic
NASA Apollo missions sent astronauts here
the moon
the earth's surface is changing due to heat, pressure, weathering, and erosion in the
rock cycle
What two layers of the earth are nickel and iron?
inner core & outer core
How can soil erosion be prevented
by planting trees and vegetation
How are mountains formed
plate movement
How does the Earth's atmosphere protect the earth?
It blocks the sun's damaging rays
what is the name of the ocean current that carries warm water from the equator to Europe
gulf stream
Where do phytoplankton live
on the ocean surface so they can do photosynthesis
a warm front occurs when a warm air mass pushes out a cold mass. a warm front usually brings
warmer temperatures and rain
a cold front occurs when a cold air mass pushes out a warm air mass. a cold front usually brings
heavy rain or thunder followed by clear cold weather
which planet is the largest
jupiter
sugar mixed into water is a ________ because if the water evaporated, the sugar would still be there
solution
if you heat a liquid, it may
evaporate into a gas
the chemical name for water is
H2O
The ancient people like Aristotle and Ptolemy believed this was the center of the solar system
Earth
high, thin, wispy clouds are
cirrus clouds
puffy white clouds that look like cotton balls are called
cumulus clouds