1. Heat Transfer

2. Vocab Words
Bio—life
Hyper—above normal
Hypo—below normal
Ician—specialist
Ism—condition

3. Write a word that uses a vocab word.

4. Conduction
Conduction is the transfer of heat between two objects that are touching.
A conductor is an object that allows heat to pass through it easily.
An insulator is a substance that does not transmit heat.

5. Why do people wear several layers of clothes when it is cold?

6. Convection
Convection is the transfer of heat through a fluid (liquid or gas).
Convection currents are a cycle of warm liquid or gas rising and being replaced by cooler liquids or gases.

7. Describe the differences between conduction and convection.

8. Radiation
Radiation is the process of emitting energy through particles or waves.

9. What is our main source of radiation?