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Science Vocab Test
Practice for science vocab test on Thursday.
Term | Definition |
---|---|
Periodic table | An arrangement of the elements showing the repeated pattern of their properties. |
Heterogeneous mixture | A mixture that is different throughout. |
Homogeneous mixture | A mixture that is the same throughout. |
Buoyancy | The ability or tendency to float in water or air or some other fluid. |
Compositional layers | |
Mechanical layers | |
Lithosphere | A rigid layer made up of the uppermost part of the mantle and the crust. |
Asthenosphere | The soft layer of the mantle on which the lithosphere floats. |
Mesosphere | |
Inner core | A dense sphere of nickel and iron at the center of the earth. |
Outer core | A layer of molten nickel and iron that surrounds the inner core of Earth. |
Epicenter | The point on Earth's surface directly above an earthquake's focus. |
Focus | The point between Earth's surface where rock first breaks under stress and causes an earthquake. |
Rift valley | A deep valley that forms where two plates move apart. |
Ring of Fire | A major belt of volcanoes that rims the Pacific Ocean. |
Mineral | A naturally occurring solid |
Hardness | |
Luster | |
Streak | |
Cleavage | |
Fracture |