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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The time required for half a sample of radioactive nuclei to decay.
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What is Half-life? (225)
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Each succeeding time-frame is reduced by 1/2 to 1/4 to 1/8 to 1/16 to 1/32 etc.
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The highly reactive elements located in Group 17 of the periodic table.
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What are the Halogens? (92)
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This Group includes Flourine, Chlorine, Bromine, Iodine, & Astatine
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The equipment that makes up a computer system.
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What is Hardware? (510)
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Ex. hard drive, tower, monitor, keyboard, mouse, speakers, web camera, etc.
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The transfer of energy from the particles of one object to those of another object due to a temperature difference.
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What is Heat? (330)
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Always transfers from a substance at a higher temperature to a substance at a lower temperature.
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A device that transfers energy as heat to a substance to raise the temperature of the substance.
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What is a Heating System? (340)
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May use a furnace that burns coal, fuel oil, or natural gas.
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The quantity of water vapor in the atmosphere.
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What is Humidity? (607)
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Due to existing air temperature, it can be thick and moist (hot) or crisp and dry (cold) to our skin
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The energy of moving water converted to electricity.
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What is Hydroelectric Power? (636)
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Produces electricity by forcing falling water down through pipes to turn turbines in generators below the dam.
(ex. Yonah Dam ) |
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Any rock formed from cooled and hardened magma or lava.
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What is Igneous Rock? (577)
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May be extrusive (cools quickly on earths surface) or intrusive (cools slowly within earth ). Ex. are obsidian and granite.
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Describes two or more liquids that do not mix into each other.
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What is Immiscible? (42)
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Ex. oil & water, you can see 2 layers in the mixture as in oil & vinegar.
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A compound that can reversibly change color in a solution, depending on the concentration of H3O+ ions.
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What is an Indicator? (199)
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Ex. Litmus paper, acids turn blue litmus paper red while bases turn red litmus paper blue.
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