science first nine weeks
Terms
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- A natural force of attractioin between magnets and magnets and certain metals and ceramics
- Magnetism
- An object that attracts iron, steel, cobalt, and certain ceramics
- Magnet
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A form of energy produced by the movement of electrons
*gives us heat and light and powers machines - Electricity
- Any material through which energy can flow
- Conductor
- A material that blocks the flow of energy (heat,sound, electricity)
- Insulator
- A path along which an electric current flows
- Electric Circuit
- A measure of how hot or cold something is
- Temperature
- The temperature at which a heated liquid bubbles and changes into a gas or vapor
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Boiling Point
Boiling point of water is 212 F (100 C) - The temperature at which a liquid freezes
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Freezing point
pure water at sea level freezes aat 32 F (0 C) - Instrument for measuring Temperature
- Thermometer