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Unit 6 Part 1 Heat T
Unit 6 Part 1 Heat Transfer and Atmosphere
| Question | Answer |
|---|---|
| Heat Transfer | This is how heat moves from one place to another. Heat always moves from something hot to something cooler, like when you touch a warm cup and feel the heat in your hand. |
| Conduction | The way heat moves through touch, like a spoon getting hot in soup. |
| Convection | The way heat moves through liquids and gases, like warm air rising and cool air sinking. |
| Radiation | Heat traveling through space, like the Sun warming your face. |
| Convection Currents | This happens when warm air or liquid rises, and cooler air or liquid sinks, creating a cycle. It’s like how hot soup moves around in a pot or how wind moves in the atmosphere. |
| Electromagnetic Waves | These are invisible waves that carry energy, like sunlight, radio waves, or X-rays. You can feel the heat from the Sun even though there's empty space between the Earth and the Sun because of these waves. |
| Radiant Energy | This is energy that travels in waves, like light or heat from the Sun, a fire, or a light bulb. You feel radiant energy when you stand near something warm. |
| Greenhouse Gases | Gases like carbon dioxide and methane that trap heat in the atmosphere, keeping Earth warm. |
| Atmosphere | The layer of air that surrounds Earth and protects us. |
| Troposphere | The lowest layer of the atmosphere, where all weather happens. |
| Stratosphere | A layer of the atmosphere where airplanes fly and the ozone layer is found. |
| Ozone layer | A part of the atmosphere that protects us from the Sun’s harmful rays. |
| Mesosphere | A layer of the atmosphere where meteors burn up, making shooting stars. |
| Thermosphere | A very hot layer of the atmosphere where the northern lights happen. |
| Exosphere | The very edge of our atmosphere; in this layer the air is extremely thin and separates the rest of the atmosphere from outer space. |
| Air Pressure | The weight of the air pushing down on everything. |