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Physical Science
Section 1
| question | answer |
|---|---|
| Temperature is a measure of the average _____ energy of an objects particles | Kinetic |
| When one feels warm oven, the sensation of warmth is the result of | energy transfer |
| The energy transferred between objects with different temperatures is | heat |
| ___ describes how much energy is required to raise an object's temperature | Specific heat |
| ___does not involve the movement of matter | Radiation |
| A material that is poor conductor of energy | insulator |
| characteristics physical property of a substance, denoted by the letter c | specific heat |
| the transfer of energy as heat through a material | conduction |
| energy transferred as electromagnetic waves | Radiation |
| a material through which energy is easily conducted | conductor |
| the movement of fluids due to density differences caused by temperature variations | convection |
| Heat always moves from an object of ____ temperature to an object of ____ temperature | higher, lower |
| A drill bit will get hot after extended use. This is because | mechanical heating |
| Solar panels gather _____ energy from the sun | radiated |
| when energy is transformed, the amount of usable energy | remains constant |
| A solar heating system that utilizes an electric fan to move warm air throughout a home called | active system |
| Evaporation causes a ____ effect | cooling effect |
| Heat engines use _____ to convert potential chemical energy and internal kinetic energy into mechanical energy | combustion |
| An engine transforms chemical of fuel into work by | pistons |
| the total amount of energy (both usable and unusable) in any process | remains constants |