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Earth's Interior
Types of Rocks, Layers of the Earth,Seismic Waves
| Question | Answer |
|---|---|
| What are the three types of rocks? | Igneous, Sedimentary, Metamorphic |
| How are igneous rocks made? | Melting and Cooling |
| How are sedimentary rocks made? | Weathering, Erosion, Transportation, Deposition, Compaction, and Cementation (W.E.T.D.C.C.) |
| How are metamorphic rocks made? | Heat and Pressure |
| Name the layers of the Earth from Hottest to Coolest. | Inner core, Outer core, Mantle, Crust |
| Name the layers of the Earth from Coolest to Hottest. | Crust, Mantle, Outer core, Inner core |
| Name the layers of the Earth from Highest pressure to the lowest. | Inner core, Outer core, Mantle, Crust |
| Name the layers of the Earth from Lowest pressure to the highest. | Crust, Mantle, Outer core, Inner core |
| Name the layers of the Earth from Highest density to the lowest. | Inner core, Outer core, Mantle, Crust |
| Name the layers of the Earth from Lowest density to the highest. | Crust, Mantle, Outer core, Inner core |
| How do scientists know what the inside of the Earth is made of? | Seismic waves |
| What materials do P waves travel through? | Solids, Liquids, and Gases |
| What is the only material S waves can travel through? | Solids |
| Which waves are faster: P or S waves? | P waves |
| How do P waves travel? | Straight through particles |
| How do S waves travel? | Particle to Particle(zig-zag) |