Transfer of Thermal Energy

Transfer of Thermal Energy 2.3.3

Notebook page 44

Thermal Energy:

heat; the energy
in matter due to
the motion of its
particles

Word Cloud

What would you use to warm up your hands? Answer in one to two words.

Heat can move from one place to another by several methods.

​Use the pictures to come up with your own definition or explanation of radiation, convection, and conduction. Hint: look at the heat source in relation to the object that's being heated.

Labelling

Label the following words on the diagram. Then, draw a quick sketch in your notebook.

Drag labels to their correct position on the image

conduction

radiation

convection

Conduction:

​the tansfer of heat through a substance.

Conduction occurs within one object or between objects that are touching each other.

​You notice your friend heating peppers on the stove. All of a sudden they drop the spoon and grab their hand. Why did they do that? How would you solve the problem?

Multiple Choice

Which of the following is the best example of conduction?

• A glass of cold water.
• A wooden chair in a warm room.
• A plastic fork in the refrigerator.
• Warming your hands by holding a hot mug.

​Convection

the transfer of heat due to the way molecules move. Usually, convection occurs in a circular pattern.

Fill in the Blanks

Radiation: a type of heat wave generated by an energy source. It also refers to the way waves move though space.

Video in Edio page 5

Labelling

The diagram below shows three types of heat transfer. Label each type of heat transfer as:

Drag labels to their correct position on the image

convection

radiation

conduction

prevents thermal energy from traveling. Insulators, such as Styrofoam, can keep thermal energy from entering or escaping a system

insulators

allows thermal energy to move relatively easily. Conductors, such as metals, allow heat to flow into and out of systems

​conductor

Heat always travels from an area of high temperature to an area of lower temperature. Within a system, heat will spread out until all areas of the system have the same temperature. This even temperature is called equilibrium because the temperature is equal throughout.

Mind-blowing Video in Edio page 7

Dropdown

Sylvia touched a book and a metal case that both had a temperature of. The metal case felt colder than the book.

This happened because the metal is a ​

Select answer

that ​

Select answer

more of the heat from Sylvia's hand than the book, which was an insulator.​ ​

That's all for today; you may submit blank, and have a happy Tuesday!