Heat Energy
Light energy can be transferred into ______ energy.
heat
A ____________ allows heat to flow well.
During conduction, heat transfers through ________ __________.
During convection, heat is transferred through ________ and ________.
gases, liquids
During radiation, heat travels in _________.
waves
Heat moves from the ________ object, to the _________ object.
warmer, cooler
An ____________ stops or slows the transfer of heat.
insulator
What is an example of conduction in the kitchen?
Answers may vary.
What is an example of convection in the kitchen?
Answers may vary
What is an example of radiation in the kitchen?
Answers may vary
When something is heated, the particles move (fast or slow).
fast
_______________ is a measure of how hot or cold something is.
Temperature
A metal pan heats up when sitting on a hot stove because metal is a good (conductor or insulator).
conductor
During convection in boiling water, _________ water rises, and __________ water sinks.
warm, cool
Give one example of radiation from nature.
The sun.
The particles of an object move (fast or slow) when it is cooled.
slow
A ____________ is an tool used to measure the temperature.
thermometer
Pot and pans handle are often plastic or wooden, this is because plastice and wood are good (conductors or insulators), keeping our hands safe when cooking.
insulators
How does a heater warm the air in a room?
Warm air from the heater rises, cool air falls to be warmed,
Why do you feel warm near a campfire even if you’re not touching it?
heat waves
Thermal energy is the movement of __________ going either fast or slow.
particles
Correctly explain conduction, convection, and radiation.
Conduction- direct contact
Convection- liquids and gases
Radiation- waves
Explain how conduction is happening when you walk barefoot on a hot sidewalk.
Heat from the sidewalk is transferred directly to your feet through contact.
In the atmosphere, _________ air rises, and _________ air sinks.
warm, cool
Radiation is different from conduction and convection because it does not need a _______ to transfer heat it can travel through empty space by invisible waves.
matter/medium/object/solid