What is a real life example that involves convection?
Air Conditioning.
What is conduction?
The transfer of heat energy through direct contact
Why does your face feel hotter near a campfire than your back even though it is only a few inches closer to the fire?
radiation heats the part of you facing the fire
Convection is the transfer of heat energy through the currents of solids? True or False
False
What is an insulator?
Something that doesn't transfer heat/electricty well.
Getting a sunburn is absorbing to much heat energy through _____? A. Radiation B. Convection C. Conduction
A.radiation
Warmer fluids rise due to differences in?
density
Why would ice melt faster if you held it in a metal vs a plastic spoon?
metal is a better conductor of heat
True or false: Radiation needs air to take place.
False
What type of enegry transfer would be used if you cooked a hot dog by boiling?
A. Radiation B. Convection C. Conduction
B. convection
True or false: Conduction produces heat when you rub your hands together
False, friction causes heat when you rub your hands together. Conduction is the transfer of heat between two objects.
Solar pannels use what type of energy? A. Radiation B. Convection C. Conduction
A.radiation.
How does convection cause wind?
Why does your desk feel warmer than the metal pole on your chair even though they are the same temperature?
Because the metal pole absorbs the heat energy from your hand a lot faster.
The tides are caused by what? A. Radiation B. Convection C. Conduction D. None of the above
D. (None of the above)the moons pull causes tides.