Main Heat Sources
A natural heat source
The Sun
It dries your clothes.
Dryer
Conduction is the flow of heat through ________.
air
Convection is the transfer of heat through....
touch
Radiation heat travels through open _________
spaces
Is made by rubbing things together.
Friction
You can grow vegetables in this house that is heated by the sun.
Green house
Hot air moves to __________ ________.
cold air
The heat tranfers when two _________ touch.
solids
An experiment we did about sun radiation was....
construction paper changing color in the sun
Made by mixing things (usually liquids) together.
Chemical Reaction
You cook on this in the summer.
BBQ
Cold air moves to ________ ________.
hot air
We did an experiment about the best conductors. We tested ______, _____ and _______
wood, plastic, metal
An experiment we did about radiation from a microwave was....
cooking popcorn
Requires you to plug in.
Electricity
You use these to help you stop on a bike or car.
Brakes
An example of a convection experiment is.....
hot water inside cold water and how it moved and the hot water was on top
An example of an experiment we did about conduction yesterday was....
butter melting in the dish of the popcorn machine
We can warm our hands using radiation heat from a ....
fire
Fire
You break these and they keep your hands warm.
Hand warmers.
We see convection happen when we have a hot drink like ______________
hot chocolate, coffee, tea
Another example of conduction is
cooking on the stove, oven or grill
Is heat from radiation visible or invisible?
invisible