📚 Topic Summary
Heat is energy that moves from warmer objects to cooler objects. This movement is called heat transfer, and it happens in three main ways: conduction, convection, and radiation. Conduction is heat transfer through direct contact. Convection is heat transfer through the movement of liquids or gases. Radiation is heat transfer through electromagnetic waves, like sunlight!
🌡️ Part A: Vocabulary
Match the terms with their correct definitions:
| Term |
Definition |
| 1. Conduction |
A. Heat transfer through electromagnetic waves. |
| 2. Convection |
B. Heat transfer through direct contact. |
| 3. Radiation |
C. A material that reduces heat transfer. |
| 4. Heat |
D. Heat transfer through the movement of fluids. |
| 5. Insulator |
E. Energy that moves from warmer objects to cooler objects. |
Answer Key: 1-B, 2-D, 3-A, 4-E, 5-C
✍️ Part B: Fill in the Blanks
Fill in the blanks with the correct word from the word bank: Conduction, Convection, Radiation.
When you touch a hot stove, heat is transferred to your hand through __________. The sun warms the Earth through __________. Hot air rising and cool air sinking is an example of __________.
Answer Key: Conduction, Radiation, Convection
🤔 Part C: Critical Thinking
Explain how a thermos bottle minimizes heat transfer through conduction, convection, and radiation.