Types of Rocks
The Rock Cycle
Earth Processes
Back to Day One
SOL Questions
100
Type of rock made from cooled magma
igneous?
100
The word cycle means----
Over and over?
100
Cause cracks in the earth.
Earthquake?
100
Every Science experiment has independent and dependent ________.
Variables?
100
What two things keep the inner core solid?
Pressure and Temperature.
200
Type of rock that is cemented together.
Sedimentary?
200
The ancient skeletal remains of organisms in rocks.
Fossils?
200
A period of thousands of years when snow and ice covered much of the earth.
Ice age?
200
Scientists perform __________ to test predictions and guesses.
Experiments?
200
What are the three types of rocks?
Igneous, metamorphic, sedimentary
300
Type of rock that is changed by heat and pressure.
Metamorphic
300
A hollow left in sediment after an organism dissolves.
Mold?
300
Wearing away and removing of rock materials. Caused by wind, Ice and water.
Erosion?
300
A _______ variable is changed by the scientist. A ______ variable is changed by the experiment.
1. Independent 2. dependent.
300
How are igneous rocks formed?
magma that has cooled and hardened
400
Name two metamorphic rocks.
Marble and gneiss
400
A trace fossil is called an________
imprint?
400
Materials are constantly being broken down.
Weathering?
400
A __________ is an educated guess.
Hypotheses?
400
A scientist found a fossil with marks where gills might have been. The area in which it lived was most likely covered by ______.
water
500
Name two Sedimentary Rocks.
Sandstone and Limestone
500
Rocks and other materials are constantly being broken down into __________.
Sediments?
500
The dropping of sediments moved by erosion.
Deposition?
500
Part of a Science Experiment that does not change.
Constant?
500
How are sedimentary rocks formed?
Cementing and compacting of sediments
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