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24 Cards in this Set
- Front
- Back
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WHAT ARE ELECTROMAGNETIC WAVES?
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A FORM OF ENERGY THAT CAN MOVE THROUGH THE VACUUM OF SPACE
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MOST OF THE ENERGY FROM THE SUN TRAVELS TO THE EARTH HOW?
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IN THE FORM OF VISIBLE LIGHT AND INFRARED RADIATION- A SMALL AMOUNT AS ULTRAVIOLET RADIATION
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WHAT IS INFRARED RADIATION?
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INVISIBLE FORM OF ENERGY WITH WAVELENGTHS THAT ARE SHORTER THAN VIOLET LIGHT
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WHAT IS RADIATION?
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THE DIRECT TRANSFER OF ENERGY BY ELECTROMAGNETIC WAVES
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WHAT IS VISIBLE LIGHT?
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INCLUDES ALL THE COLORS YOU SEE IN A RAINBOW
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WHAT COLORS HAVE THE LONGEST WAVELENGTHS?
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RED AND ORANGE
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WHAT COLORS HAVE THE SHORTEST WAVELENGTHS?
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BLUE AND VIOLET
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WHAT IS ULTRAVIOLET RADIATION?
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INVISIBLE FORM OF ENERGY WITH WAVELENGTHS THAT ARE SHORTER THAN VIOLET LIGHT
- CAN CAUSE SUNBURNS |
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DESCRIBE THE PATH OF THE SUN'S RAYS
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ABOUT HALF OF THE SUNS ENERGY IS EITHER REFLECTED BACK INTO SPACE OR ABSORBED INTO THE ATMOSPHERE. THE REST REACH THE EARTH'S SURFACE
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THE OZONE LAYER ABSORBS MOST OF WHAT?
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ULTRAVIOLET RADIATION
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WATER VAPOR AND CARBON DIOXIDE ABSORB WHAT?
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INFRARED RADIATION
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WHAT IS SCATTERING?
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DUST PARTICLES AND GASES IN THE ATMOSPHERE REFLECTING LIGHT IN ALL DIRECTIONS
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WHEN THE EARTH'S SURFACE IS HEATED, IT RADIATES MOST OF THE ENERGY BACK AS WHAT?
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INFRARED RADIATION
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WHAT IS THE GREENHOUSE EFFECT?
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THE PROCESS BY WHICH GASES HOLD HEAT IN THE AIR
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WHAT ARE 3 FORMS OF RADIATION FROM THE SUN?
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VISIBLE LIGHT, INFRARED RADIATION AND ULTRAVIOLET RADIATION
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WHICH FORM OF RADIATION FROM THE SUN HAS THE LONGEST WAVELENGTHS?
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INFRARED RADIATION
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WHICH FORM OF RADIATION FROM THE SUN HAS THE SHORTEST WAVELENGTHS?
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ULTRAVIOLET RADIATION
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WHAT HAPPENS TO MOST OF THE SUNLIGHT THAT REACHES THE EARTH?
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50% IS ABSORBED BYTHE EARTHS SURFACE AND IS USED TO HEAT THE LAND AND WATER
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WHAT PERCENTAGE OF SUNLIGHT IS REFLECTED BY CLOUDS, DUST AND GASES IN THE ATMOSPHERE?
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25%
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WHAT PERCENTAGE OF SUNLIGHT IS ABSORBED BY PARTICLES AND GASES IN THE ATMOSPHERE?
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20%
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WHY ARE SUNSETS RED?
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WHEN THE SUN IS SETTING THE LIGHT IS PASSING THRU A THICKER AREA OF THE ATMOSPHERE -LIGHT FROM THE BLUE END OF THE SPECTRUM IS SCATTERED AND THE REMAINING LIGHT IS RED AND ORANGE
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WHY IS THE SKY BLUE?
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GASES IN THE AIR SCATTER SHORT WAVELENGTHS OF VISIBLE LIGHT (BLUE AND VIOLET)AND THERE ARE THAN LONG WAVELENGTHS PRESENT (RED AND ORANGE)
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WHAT HAPPENS TO THE ENERGY THAT IS ABSORBED BY THE EARTHS SURFACE?
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THE LAND AND WATER ARE HEATED
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HOW MIGHT EARTH BE DIFFERENT WITHOUT THE GREENHOUSE EFFECT?
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THE TEMPERATURE WOULD BE VERY DIFFERENT
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