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100

This instrument measures wind speed

anemometer

100

this instrument measures air pressure

barometer

100

The salinity of the ocean varies. Salinity means

saltiness

100

Copernicus and Galileo believed this was the center of the solar system 

sun

100

What is a watershed

an area where the surface water and all the materials it carries drain into a larger body of water.

200

What important energy source is mined in the southwestern part of Virginia

Coal

200

what type of rock forms when magma cools below earth's surface or from an erupting volcano 

igneous

200

What type of rock forms with heat and pressure

metamorphic

200

NASA Apollo missions sent astronauts here

the moon

200

the earth's surface is changing due to heat, pressure, weathering, and erosion in the

rock cycle

300

What two layers of the earth are nickel and iron?

inner core & outer core

300

How can soil erosion be prevented

by planting trees and vegetation

300

How are mountains formed

plate movement

300

How does the Earth's atmosphere protect the earth?

It blocks the sun's damaging rays

300

what is the name of the ocean current that carries warm water from the equator to Europe

gulf stream

400

Where do phytoplankton live

on the ocean surface so they can do photosynthesis

400

a warm front occurs when a warm air mass pushes out a cold mass. a warm front usually brings

warmer temperatures and rain

400

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

400

which planet is the largest

jupiter

400

sugar mixed into water is a ________ because if the water evaporated, the sugar would still be there

solution

500

if you heat a liquid, it may

evaporate into a gas

500

the chemical name for water is

H2O

500

The ancient people like Aristotle and Ptolemy believed this was the center of the solar system

Earth

500

high, thin, wispy clouds are 

cirrus clouds

500

puffy white clouds that look like cotton balls are called

cumulus clouds