Question

Why does the water in a swimming pool stay cool on a hot, sunny day?

When heat is given off by light, this type of heat is known as...
What type of heat transfer is occurring in a heater that has metal coils get hot but no fan to circulate the air?
Infra red waves travel at light speed, away from the source in all directions until they hit an object. True or False?
Im like.. lost *cutely*. I need help lol

Answer 1

Water temperatures are slow to heat up, and just as slow to cool down. It takes 4 times the energy to heat up water than to heat air. Water also "feels" colder because water is a more efficent medium than air to cool our body down.

thermal radiation

Metal is a good conduction of heat.

True

Answer 2

Water temperatures are slow to heat up, and just as slow to cool down.

Explanation: Water is very "stubborn" to change temperature. It takes 4 times the energy to heat up water than to heat air. Water also "feels" colder because water is a more efficent medium than air to cool our body down.