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Earth's Surface
5th Grade- Ch. 9 Earth's Changing Surface
Question | Answer |
---|---|
What is the outer most and thinnest layer of Earth? | Crust |
What layer of Earth is under the crust and made of liquid rock? | Mantle |
What layer is made up mostly of iron? | Core |
The outer core is liquid or solid? | Liquid |
The inner core is liquid or solid? | Solid |
What is created by the flow in the currents in the core? | Magnetic Field |
What makes up the lithosphere? | Crust and Mantle |
What do scientists study to learn about Earth's core? | Vibrations from earthquakes |
What force is being felt when two plates jerk into a new position? | Earthquake |
Is a volcano a constructive or destructive force? | Constructive |
What type of boundary is created when plates move toward each other? | Colliding Boundary |
What type of boundary is created when plates move away from each other? | Spreading Boundary |
What type of boundary is created when plates move past each other in opposite directions? | Sliding Boundary |
What type of rocks are basalt, pumice and granite? | Igneous |
What is the center of an earthquake called? | Epicenter |
What is caused by an underground earthquake in the ocean? | Tsunami |
What type of weathering occurs when rock is broken by gravity, ice, or plant roots? | Mechanical Weathering |
What type of weathering occurs when rock is broken by acid rain or fungus? | Chemical Weathering |
What layer of soil contains the most decayed material? | Topsoil |
What layer of soil contains many minerals and less decayed material? | Subsoil |
What layer of rock is made of mostly solid rock? | Bedrock |
What is movement of materials away from one place? | Erosion |
What is the placement of new material in a new place? | Deposition |
Is erosion a constructive or destructive force? | Destructive |
Is deposition a constructive or destructive force? | Constructive |
What are you looking for when you rub a mineral on a rough, hard, white surface? | Streak |
Where can the oldest fossils be found? | Deep in the Earth |
What type of rock forms when melted rock cools and hardens and has visible crystals? | Igneous |
What types of rock are sandstone and conglomerate? | Sedimentary |
What types of rock are gneiss and slate? | Metamorphic |
What type of rock forms when layers of materials and rocks settle on top of each other and harden? | Sedimentary |
What type of rock forms when solid rock is squeezed and heated to very high temperatures? | Metamorphic |
What is formed when shorelines erode quickly? | Harbors and Inlets |
What might farmers plant to prevent wind erosion from damaging their fields? | Trees |