Which animal will stay warm longer, a mouse or an elephant? 1.
5 using heat to stay warm and do work
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Using heat to stay warm and do work
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Transcript of 5 using heat to stay warm and do work
•Radiator- a device with a large surface area designed to heat the air near it by conduction.
•Solar energy- energy from the sun. Free energy!!!
There are 2 types of solar heating.
1. Passive Solar Heating- Radiant energy is absorb during the day then converted to thermal energy (heat) to use at night.
2. Active Solar Heating- Radiant energy is absorbed and immediately used to heat water and air.
-Uses solar collectors.
•Internal combustion engine-
-Fuel burns inside the engine in cylinders.
Ex: Engine in cars and trucks
•External combustion engine- fuel is burned outside the engine.
Ex: Old-fashioned engines in steam locomotives.