🌡️ Heat: Misconceptions You Must Avoid
📘 What is Heat?
Heat is a form of energy transferred between two substances at different temperatures. It flows from a hotter body to a cooler one until thermal equilibrium is reached.
🧪 Applications of Heat
- Cooking & food processing
- Electric heaters & geysers
- Industrial metal shaping
- Medical sterilization
🔍 Common Misconceptions (Tap to Reveal)
🔥 Heat and temperature are the same
❌ Incorrect. Temperature measures intensity, heat is energy in transfer.
🧊 Cold travels from cold to hot
❌ Wrong. Only heat flows from hot to cold.
💨 Only solids can conduct heat
❌ No. Liquids and gases also transfer heat by convection and radiation.
🌡️ Thermometer Game: Match the Temp!
Drag the temperature to the matching item!
100°C
40°C
0°C
🧊 Ice Cube
🍲 Hot Soup
🚿 Warm Shower
📚 Examples of Heat Transfer
- 🔥 Ironing clothes – Conduction
- 💨 Hot air balloon rising – Convection
- ☀️ Sun warming the Earth – Radiation
⚖️ Advantages vs Disadvantages
✅ Advantages
- Enables life (sun’s heat)
- Supports cooking & heating
- Used in manufacturing
⚠️ Disadvantages
- Excess heat causes burns
- Can damage sensitive devices
- Heat loss leads to inefficiency
