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🔥 Heat Transfer
Heat always moves from hot places to cold places until they are even.
🔥 → 🧊
Remember
Insulation keeps the heat in (or out)!
Heat Energy
Study
4 pages
Heat Energy
Hot and Cold! 🔥 THE THEME: Thermal Energy. We learn how heat moves from warm to cool.
What you'll learn
Main skills from this lesson
Identify sources of heat
Understand expansion
Measure temperature
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Page 2
Heat expands
Most things get a tiny bit bigger when warmer. (Trains rails leave gaps for this!)
🌡️ ↑ → ↔ bigger
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Page 3
Cooling down
We cool food in fridges to keep it fresh.
🌡️ ↓ + 🧊 = fresh
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Page 4
Fire safety
Fire gives heat but is dangerous. Stay back; tell an adult.
🔥 ⚠️
Great work
Continue with quizzes, flashcards, or games when you are ready.