Heat Transfer Challenge
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Heat Transfer Challenge
Heat has three ways to travel
Conduction transfers heat through direct contact, such as a hot billy warming a metal spoon. Convection transfers heat when a liquid or gas moves; warmer air or water usually rises while cooler parts sink. Radiation transfers heat by waves and does not need direct contact or moving air, as when sunlight warms your skin. Heat moves from warmer places to cooler places. Materials such as metal conduct heat well, while wood, wool and many plastics slow heat transfer.
- The metal spoon gets warmer where it touches the hot drink.
- Warm air rises above the camp stove.
- Sunlight warms the outside of the mug.
- Hot water moves around inside the billy as it heats.
- Convection
- Radiation
- Conduction
- Convection
- Conduction, because the billy touches Kai's hand.
- Convection, because the billy is made of metal.
- Radiation, because heat can travel in waves without contact.
- Conduction, because heat only travels through solids.
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