8th Grade Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Geosphere | made of the crust, mantle and inner and outer core
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| Atmosphere | made of the mixture of gases that surround the planet
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| Biosphere | made of all living things, including plants, animals and other organisms
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| Hydrosphere | the planet's water, including oceans, lakes rivers, ground water, ice and water vapor
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| physical model | structure scientists builds to represent something
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| Conceptual Model | Model scientists develop in their minds
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| Mathematical Model | Mathematical equations that describe how process works
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| Numerical Model | Mathematical model that is tested in a computer
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| Seismic wave | vibrations caused by an earthquake
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| S-Wave | a/k/a Shear or secondary wave. Travels side by side, only goes through solids -- slow
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| P-Wave | a/k/a Compression or primary wave. Travels in a straight line, goes through liquids, solids, gases, fast
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| Surface wave | moves along surface not interior; causes the most damage; slowest
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| Refraction | when passes through one medium to another changes in direction due to change in velocity
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| Focus | Earthquake the point underground where the rocks first start moving
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| Epicenter | Located directly above the Focus
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| Seismograph | Instrument that detects, magnifies and records seismic waves
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| Shadow Waves | Area where no waves are detected
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Mrs D AS
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