What is heat? Touch each image to see how the water molecules react.
Where does heat come from? Touch each image and discuss.
How can motion create heat? Touch each image to view the different energy levels of the molecule.
What is heat transfer? Drag the hand over the ice or pan, observe the heat transfer for each.
2009 SMART Technologies ULC. All rights reserved. February 18, 2016
Conduction is a way that heat is transferred between objects that are in contact. February 18, 2016
What acts as a medium for conduction? Put a next to the correct items. solid liquid gas
There are also examples of conduction in nature. February 18, 2016
Identify examples of conduction when lava flows from a volcano into the ocean. February 18, 2016
Conduction Touch the image.
2009 SMART Technologies ULC. All rights reserved. February 18, 2016
Convection is a way that heat flows between objects. February 18, 2016
Put a medium. beside each convection solid liquid More gas
Explain why macaroni rises and falls in a pot of heated water. February 18, 2016
Large-scale convections occur in nature. February 18, 2016
Draw the direction of the heat flow in the air above the land and the ocean. During daytime, the temperature of the land is higher than the temperature of the ocean.
Draw the direction of heat flow in the air above the land and the ocean. At night, the temperature of the land is lower than the temperature of the ocean.
Convection Click on the red molecule to view the 4 stages of convection.
Radiation 2009 SMART Technologies ULC. All rights reserved.
Radiation Touch each image to see examples of heat radiation.
When light from the Sun touches an object, the electromagnetic waves transfer the heat. February 18, 2016
Click on the thermometer to see how the temperature is changing. February 18, 2016
How does heat transfer by radiation differ from conduction and convection? Heat transfer by radiation a medium. Heat transfer by conduction and convection a medium. does not require requires
Place a beside a correct statement and an beside an incorrect statement. Radiation cannot travel through a vacuum. Heat transfer by radiation is through electromagnetic waves. Heat transfer by radiation needs particles.
There are three methods of transferring thermal energy (heat). February 18, 2016
Indicate each method of heat transfer. conduction radiation convection
reveal How is heat transferred in conduction, convection, and radiation? With conduction and convection, heat is transferred through the movement of particles. With radiation, heat is transferred through electromagnetic waves.
What are the three type of heat transfer? Drag the terms to the correct definitions. heat transferred by the direct contact of molecules. heat transferred through a liquid or gas by means of up-and-down. infrared rays. heat transferred through empty space by invisible Conduction Convection Radiation
Correct Answer Conduction heat transferred by the direct contact of molecules. Convection heat transferred through a liquid or gas by means of up-and-down. Radiation infrared rays. heat transferred through empty space by invisible
Conduction Touch the image.
Do some substances conduct heat more rapidly than others? Write your answers and touch the clouds to reveal some examples. Can you think of objects that are used to conduct heat or energy? Copper wire conducts energy. Metal pots and pans conduct heat to cook food.
ct February 18, 2016 Do some substances conduct heat and energy poorly? Write your answers and touch the clouds to reveal some examples. Can you think of objects that are used to stop the conduction of heat or energy? A winter coat stops energy from being conducted out of a body. A hot pad stops conduction from a hot pan to the hand.
Convection Click on the red molecule to view the 4 stages of convection.
Radiation Touch each image to see examples of heat radiation.
Review Question Drag the correct answer to match definition. 1) Energy caused by motion of particles in matter. Heat 2) Tiny particles that make up matter. Molecules 3) Movement of heat from a warmer to a cooler object. Heat Transfer Answer Options Heat Transfer Molecules Heat
Review Question Drag the correct answer to match definition. 1) Movement of heat by direct contact. 2) Movement of heat that is transferred through empty space. 3) Movement of heat in an up and down motion of particles that occurs in liquids and gases. Conduction Radiation Convection Answer Options Convection Conduction Radiation
Review Question 1) Bacon cooking in a pan. Drag the correct answer to match the example. 2) Air above a grassland plain warming up in the sun causing violent updrafts that lead to the formation of a tornado. 3) The warmth of a fireplace heating a person in a room. Answer Options Conduction Radiation Convection 1) Convection 2) Conduction 3) Radiation
1 Why should the handle of a pot be made of wood or plastic rather than metal? A They are good conductors of heat. B They are poor conductors of heat.
2 What is the correct order of a convection current? A rise, heat up, sink, cool B sink, cool, rise, heat up C heat up, cool, rise, sink D heat up, rise, cool down, sink
3 In which type of heat transfer do particles actually move around? A convection B conduction C radiation