Do Now 1/14/13 In order for a metamorphic rock to become an igneous rock, what must happen? In which...
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Transcript of Do Now 1/14/13 In order for a metamorphic rock to become an igneous rock, what must happen? In which...
![Page 1: Do Now 1/14/13 In order for a metamorphic rock to become an igneous rock, what must happen? In which layer of the Earth do convection currents occur? The.](https://reader036.fdocuments.in/reader036/viewer/2022082818/56649ee05503460f94bf0029/html5/thumbnails/1.jpg)
Do Now 1/14/13Do Now 1/14/13
• In order for a metamorphic rock to become an igneous rock, what must happen?
• In which layer of the Earth do convection currents occur?
• The theory that the oldest rock layers can be found on the bottom.
• _______ are extinct volcanoes found on the ocean floor.
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Do Now 2/11/14Do Now 2/11/14
Describe the role the Sun plays in the water cycle.
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Do Now 2/12/14Do Now 2/12/141. List the oceans from largest to smallest.
2. The flat ocean bottom covered by fine sediment is called the ______________.
3. A natural resource that cannot be replaced quickly is called ______.
4. Mt. Saint Helen’s is an example of a ______________ volcano.
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Do Now 2/13/14Do Now 2/13/141. How are rocks classified?
2. Soil is composed of what four things?
3. What is the difference between a body fossil and a trace fossil?
4. How is Venus’ atmosphere different from Earth’s?
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1.1. What is humidity?What is humidity?
2. What is relative humidity?2. What is relative humidity?
3. What dew point?3. What dew point?
4. What is a psychrometer?4. What is a psychrometer?
![Page 6: Do Now 1/14/13 In order for a metamorphic rock to become an igneous rock, what must happen? In which layer of the Earth do convection currents occur? The.](https://reader036.fdocuments.in/reader036/viewer/2022082818/56649ee05503460f94bf0029/html5/thumbnails/6.jpg)
What is humidity?What is humidity?• Humidity is the amount of water vapor or
moisture in the air.
• The air’s ability to hold water depends on air temperature.
• As the temperature increases, so does the air’s ability to hold water.
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What is relative humidity?What is relative humidity?• Relative humidity compares how much water
vapor is in the air to how much vapor the air can hold.
• Relative humidity is given as a percentage.
• Saturated air has a relative humidity of 100%.
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What is dew point?What is dew point?• Dew point is the temperature when the water
vapor turns back into a liquid – condensation.
• Air can become saturated when water vapor is added to the air through evaporation or transpiration.
• Air can also become saturated as in the case of the glass of water, when it cools to its dew point.
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What is a psychrometer?What is a psychrometer?
• A psychrometer is an instrument used to measure relative humidity.
• It is used to make two readings of temperature. One is a dry bulb reading and the other is a wet bulb reading.