Feeling the Heat: Radiation Explored
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Feeling the Heat: Radiation Explored
A Year 3 Science Adventure Discovering How Heat Travels Through Space
Think About This!
Have you ever felt warm in the sunshine? How do you think that warmth reaches you? Can you feel heat without touching something hot?
Sources of Heat Energy
The Sun - our biggest heat source Light bulbs and lamps Campfires and heaters Our own bodies! Hot food and drinks
What is Radiation?
Heat that travels through space No touching needed! Like invisible heat rays The Sun's warmth reaches Earth this way You can feel it from a distance
Black vs White Experiment
Place black and white paper in sunlight Put thermometers on each piece Record starting temperatures Wait 15 minutes Check temperatures again Which got warmer? Why?
Dark vs Light Colors
{"left":"Dark colors absorb more heat\nLight colors reflect heat away\nBlack paper gets very warm","right":"White paper stays cooler\nThis is why we wear light clothes in summer\nDark clothes make us feel warmer"}
Safety with Heat
Never touch hot light bulbs Use gloves when handling warm objects Stay safe around heaters Wear sunscreen in the sun Tell an adult if something feels too hot
Remember This!
Radiation is heat that travels through space without needing to touch anything - just like the warmth you feel from the Sun!