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10 Cards in this Set

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