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Warm-ups

herne avatar
herne
11 diapositives · 365 Views · Jul 22, 2014

Week 16. Warm-ups. Agenda. Rain Shadow. An area that doesn’t get much rain on the East side of a mountain (in the US): as clouds rise from the west over the mountain, air pressure and temperature drop. The air releases precipitation, leaving dry air to fall back down on the east side .

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Warm-ups
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  1. Week 16 Warm-ups

  2. Agenda

  3. Rain Shadow • An area that doesn’t get much rain on the East side of a mountain (in the US): as clouds rise from the west over the mountain, air pressure and temperature drop. The air releases precipitation, leaving dry air to fall back down on the east side. • Rain Shadow Animation • Why is Seattle (west coast) so rainy?? (Hint: It is next to the Pacific Ocean, West of the Cascade Mountain Range…)

  4. Group Activities • Gather data about current weather conditions from WeatherBug Station • Create a station model about today’s weather(Draw it) • Describe what happens to the weather a hiker experiences as she paddled in her sea kayak then hikes up to and over a mountain (see rain shadow sheet) by labeling the drawing. • If done early, get the next sheet

  5. Climate vs. Weather • Climate is a pattern, an average of weather conditions over time (usually a season). Climate can change over hundreds to thousands of years. • Weather is a daily, or even hourly (or shorter) occurrence of conditions occurring at a specific moment. • Weather is how you determine what to wear or carry each day, while climate tells you we wear lighter clothes in summer than winter.

  6. Atmosphere • = The gases that surround the earth • 78% Nitrogen, 21% Oxygen, 1% other • Air Pressure is caused by the weight of the air being pulled down by gravity. It pushes on all sides of objects. • If air pressure is low – “rain or snow” • If air pressure is high – “clear sky” • 2 of the 5 layers • Troposphere (we live here, weather is here) • Stratosphere (jets fly here, ozone is here – keeps out UV rays that cause cancer!!) • Ozone does not prevent or cause Global Warming. Greenhouse gasses like carbon dioxide and methane do cause it.

  7. Weather • Factors of Weather: • Heat, air pressure, wind, moisture • Fronts • Cold, Warm, Occluded, Stationary • Air Masses • Continental (over land), Maritime (over sea) • Polar (near poles), Tropical (near equator) • Changes in Air Pressure • Low = precipitation (RAIN/SNOW) • High = Clear sky (SUNNY)

  8. Storms • Thunderstorms, Hurricanes (know other names for it), Tornados • Why/how they form • How large they are • How long they last, destructiveness • How fast the winds are • natural storms video

  9. Data collection • A group of students tested two streams using 6 different tests. They recorded their information in a data table. • What did they do WELL and POORLY when recording data? • Do all columns have labels? Rows? • Any empty spaces? • Any tests missing units? If so, what SHOULD they be? • Incomplete descriptions? • Correct number of trials? (at least 3 per stream) • Do they have averages? I’m NOT asking which stream is best/worst.

  10. Data Table *Did this group do a good job collecting and recording data?*Is it good or bad that they recorded Stream 1 as cloudy/muddy, compared to stream 2 which is clear? *What phase would water be if it were 31° F?