DueDate:9/13/19 Name:Energy Unit Lesson Four: Heat Transfer

6.PS3.4 Conduct an investigation to demonstrate the way that heat (thermal energy) moves among objects through radiation, conduction, or convection.

Day One Read Page 38 and 39 What does temperature measure? What happens in terms of kinetic energy when an object heats up? What are the three methods used to measure temperature? What is unique about absolute zero?

Watch, “Celsius Vs. Fahrenheit Vs. Kelvin” What is the Fahrenheit scale based on? Freezing Point - Boiling Point - Absolute Zero - What is the formula for converting from Fahrenheit to Celsius? To Kelvin?

What is the Celsius scale based on? Freezing Point - Boiling Point - What is the Celsius scale based on? Boiling Point - Absolute Zero - What is the formula for converting from Fahrenheit to Celsius?

2Read Pages 40 and 41 What is the definition of thermal energy? What three factors determine an objects thermal energy? What is the definition of heat? At what point does heat stop transferring? What unit of measure is used for heat? Watch, “Thermal Energy Vs. Temperature Which has more thermal energy, an iceberg or a cup of coffee? Why? Does the coffee warm up its area of contact with the iceberg, or does the iceberg cool off the hot coffee? Why does the aluminum block feel colder than a paper back book even though they are the same temperature?

Day Two Read Page 42 and 43 What direction does heat travel? What are the three different methods that heat is transferred? What is convection? Explain what a convection current is. What is an example of convection? What is radiation?

3What is an example of radiation? What is conduction? What is an example of conduction? Read Page 44 and 45 Where are the following forms of heat transfer occurring on the beach? Provide one example of each.

Conduction

Convection

Radiation

Watch, “Heat Transfer” Copy the flow chart from the video in the box below:

Explain the examples the video uses for the three methods of heat transfer. Conduction - Convection - Radiation - Watch, “There Is No Such Thing As Cold” Use the table below to take notes during the video that will help you answer the question, “Why is there no such thing as cold?”

Notes Answer

Day Three Read Pages 46 and 47 When walking on tile and a rug, why does the tile feel cooler even though both substances are at room temperature? What are conductors?

4What are some examples of conductors? What are insulators? What are some examples of insulators?

Read Pages 48 and 49 On a beach, how can the sand be so hot and the water be so cold? What is specific heat? Watch, “Specific Heat” What is the specific heat for three of the substances mentioned in the chart?

Material Specific Heat What is the formula for calculating specific heat?

5Why would you hold a jar lid under warm water? What is thermal expansion? What happens when matter gets cooler? Why does ice float? Watch, “Thermal Expansion” How does thermal expansion explain how thermometers work? Why are small gaps left between rails in train tracks?

Heat Transfer Poster (100 Points) You will now make a poster using a sheet of printer paper that demonstrates your knowledge of heat

transfer. The following is the criteria for your poster. You may use additional resources to find examples of the three forms of heat transfer, or use the examples from your notes.

Step One 1. Appropriately title your poster Step Two 2. Draw an example of conduction (10 points) 3. Provide the definition of conduction (10 points) 4. Explain how your drawing shows conduction. (10 points) 5. Draw an example of convection. (10 points) 6. Provide a definition of convection. (10 points) 7. Explain how your drawing shows convection. (10 points) 8. Draw an example of radiation. (10 points) 9. Provide a definition of radiation. (10 points) 10. Explain how your drawing shows radiation. (10 points) Step Three 11. Include a statement that explains the difference between temperature, thermal energy, and heat.