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6th unit 4 review
Unit 4 test review for 6th grade
| Question | Answer |
|---|---|
| believed to made of liquid metal | Earth's outer core |
| the stress that takes place when two plates slide past each other, twisting the Earth | shearing |
| heated rock inside the mantle | magma |
| locates underwater objects using sound waves | sonar equipment |
| the stress that takes place when two plates move away from away from each other, tearing rocks apart | tension |
| a crack in the Earth's crust resulting from pressure built up over time | fault |
| the part of the Earth that lies between the crust and the core | mantle |
| moving toward each other | convergent |
| an instrument that measures the waves of an earthquake | siesmograph |
| moving away from each other | divergent |
| Many scientists believe there was once a giant continent called | Pangea |
| The rocks at the top of the ________ are said to be in a solid state. | mantle |
| One plate slides beneath another in a process called | subduction |
| The theory that states the continents are slowly but continuosly moving is called | continental drift |
| The __________ is said to be in a solid state due to extreme pressure. | inner core |
| When two _________ are pushed toward each other, compression takes place. | plates |
| The ___________ is directly above ground from the focus of the earthquake. | epicenter |
| The most common type of volcano is the ____________ volcano. | composite |
| Magma that reaches Earth's surface is called | lava |
| Volcanoes that have not erupted in recent history but could still erupt are called ____________ volcanoes. | dormant |
| A volcano that has not erupted in hundreds of years and is not likely to erupt is said to be | extinct. |
| Challenger Deep is the deepest part of the ________________. | Mariana Trench |
| The measurement of the depths of the ocean is called ___________. | bathymetry. |
| The __________- mountains were formed by folding. | Himalayan |
| What are the most powerful waves that travel along the top of the grounds? | L-waves |
| Waves at the beginning of an earthquake are called ____________. | P waves |
| . ____ takes place when rocks bend because of pressure. | Folding |
| Longest undersea mountain chain: | Mid-Atlanitic Ridge |
| A ______ studies volcanoes. | volcanologist |
| The mantle is ______. | the part of the earth that lies between the crust and the core |
| A definition of dormant is _____. | has not erupted for a long time, but may erupt in the near future |
Created by:
Hillerywest
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