Hot air rises because when air is heated, its molecules move faster and faster making them move further and further apart. When they are further...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
It comes in the form of light or heat. People have used solar energy for thousands of years. The sun’s energy can be used to heat water and even food. If you own a magnifying glass, your parents have probably warned you not to leave it in the sun. Solar energy can actually make ...
Why does water evaporate from the surface of a lake early in the morning? Something to do with the specific heat capacities of land and water? Or the temperature of the air compared to the water? Why is ice the solid form of water?
Mechanical ventilation with heat recovery –all this effort to insulate the building is coupled with high quality ventilation that recovers heat from the used air and transfers it to the fresh air coming in. This ensures a minimal loss of energy and a good indoor air quality. More on Passive...
Central air conditioners* Natural gas, propane, or oil water heaters* Natural gas, propane, or oil furnaces and hot water boilers* Electric or natural gas heat pumps* Electric or natural gas heat pump water heaters* Biomass stoves and boilers** Must meet or exceed the Consortium for Energy ...
aIn some places, the sun is not hot enough. Or it does not shine every day. In such places, other ways of heating sea water can be used. These ways cost more money, but they work faster than the sun. By boiling sea water with high heat, a lot of fresh water can be made quickly...
Why is warm water used for bathing during cold weather?. On a cold day, Why does a metal doorknob feel colder than a wooden door? Why does warm, moist air from clouds when it rises? An electric fan not only does not decrease the temperature of the air, but it actually increases ...
Does water boil faster with a lid? So put a lid on the pan. The air in the pan will heat up as the water heats up, and it circulates back into the water as it's heated. This helps bring thewater to 212 degrees F more quickly. ...
How does air temperature affect the rate of evaporation? How does evaporation work? How does temperature affect the rate of evaporation? What is the cause of evaporation? Why does evaporation occur? Why does evaporation happen? How does evaporation work in the water cycle?
While not as power-hungry as appliances like air conditioners or washing machines, it's important to know how much electricity a phone charger uses when you're looking at your whole home's energy usage. Key takeaways On average, phone chargers use about 5 watts of electricity. Charging a...