Rocks
Atmosphere
Weather
Volcanoes
Random
100

Rocks formed from bits and pieces of eroded rocks are called ________________ rocks 

sedimentary 

100

In addition to being a protective layer, the magnetophere also produces beautiful _________ 

auroras 

100

List all the forms of precipitation 

rain, hail, sleet, snow 

100

Which theory helped scientists understand how and where volcanoes erupt? 

Theory of Plate Tectonics 

100

What are lines connecting points of equal atmospheric pressure? 

isobars 

200

A rock that has changed due to heat or pressure is a what rock?  

metamorphic 

200

Excessive exposure to UV rays can cause what in humans? 

sunburns, skin cancer 

200

What happens when two air masses meet? 

front forms 

200

Which type of volcano is built by alternating layers of lava flows and ash flows? 

Composite 

200

A cold air mass tend to approach from what direction? 

maritime polar 

300

A rock that is often light enough to float in water is 

pumice 

300

The most abundant gas in the homosphere is 

nitrogen 

300

Which type of front involves two air masses where an existing air mass rises to make way for the incoming air mass? 

Cold 

300

Which type of volcano has steep, angled sides, throws blobs of lava in the air that fall as cinders, and is built over a short period of time? 

cinder Cone 

300

During the first half of the lunar month the moon is said to be ________ 

waxing 

400

The individual rock particles, crystals, and sometimes fossils that combine to give a rock its texture are known as ____________ 

grains 

400

Which atmospheric layer directly affects radio communications on Earth 

Ionosphere 

400

Wind blows from areas of ____________ pressure to areas of _____________ pressure 

high, low 

400

Which type of volcano spills thick lava which cools and piles up around the vent 

lava dome 

400

Weather instrument that measures the wind speed and shows direction on weather maps 

compass rose 

500

A type of rock that is so smooth and shiny that its called volcanic glass is ____________ 

obsidian 

500

The sun is composed of 

hydrogen 

500

What property of wind does an anemometer measure? 

speed 

500

which type of volcano is currently resting, but could erupt sometime in the future? 

dormant 

500

When two air masses collide but neither is strong enough to push the other out of the way, what kind of front forms? 

stationary 

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