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Energy transfer. Climatic Interactions The sun provides and transfers currents of energy over the earth surface. RAYS of energy Are the Sun’s rays Heating.

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Presentation on theme: "Energy transfer. Climatic Interactions The sun provides and transfers currents of energy over the earth surface. RAYS of energy Are the Sun’s rays Heating."— Presentation transcript:

1 Energy transfer

2 Climatic Interactions The sun provides and transfers currents of energy over the earth surface. RAYS of energy Are the Sun’s rays Heating the Earth evenly????

3 Climatic Interactions No, because of the earth’s tilt the sun’s rays HEAT the earth unevenly. Most strike the Equator and the rest spread over the earths surface.

4 Climatic Interactions More energy means warmer temps, like Hawaii. Less energy means colder temps, like the North and South Poles.

5 Energy transfer Heat is transferred three ways: Conduction: heat passed between solids that are touching; frying. Convection: heat flowing between circulating liquids and gases; boiling. Radiation: heat transferred by waves without molecules; microwave.

6 Convection currents Circulating currents of energy causing liquids, solids, and gases to rise as temperature rise; land and sea breeze. Create air currents in the atmosphere Create water currents in the ocean

7 Currents of energy Atmospheric convection produces waves of Air and Wind currents. Oceanic convection produces waves of Water and ocean currents.

8 Waves Transfer of energy through matter. Waves are rhythmic disturbances that transfer energy without carrying matter.

9 Medium Medium (media) is the type of matter a wave travels through. Types of medium: a. Solids like land b. Liquids like water c. Gases like air

10 Energy waves Across land: seismic waves of earth quakes Across water: ocean and tidal waves Across air: wind waves. Across space: electromagnetic waves.

11 Climatic Interactions Definition How the suns energy affects the atmosphere and ocean In my words: Facts/Heat Distribution Creates convection currents Uneven heating of the Earth More energy at the equator Less energy at the Poles Picture Examples Climatic Interactions

12 Definition How energy flows between types of matter. In my words: Facts/Method or types Conduction (contact) Convection (circulate) Radiation (across space) Picture Examples Energy transfer

13 Climatic Interactions Definition Transfer of energy by circulating hot and cold currents. In my words: (flow) Facts/Types of currents Air-wind currents Water- ocean currents Land- magma currents Picture Examples Convection Currents

14 Any Questions?


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