Mr. Powell Science
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  • Home
  • APES
    • Unit 1: Ecosystems
    • Unit 2: Biodiversity
    • Unit 3: Populations
    • Unit 4: Earth Systems and Resources
    • Unit 5: Land and Water Use
    • Unit 6: Energy Resources and Consumption
    • Unit 7: Atmospheric Pollution
    • Unit 8: Aquatic and Terrestrial Pollution
    • Unit 9: Global Change
  • CHS Environmental Science
    • Environmental Chemistry
    • Ecosystems and Population Interactions
    • Earth History and Natural Resources
    • Weather and Climate
  • Science Resources
    • Genetics >
      • Genetics Exam Review
    • Evolution
    • Chemistry
    • Physics - Motion and Forces >
      • Speed, Velocity, and Acceleration
      • Force
      • Newton's 3 Laws of Motion
      • Gravitational Force
      • Weight
      • Newton's Second Law - Finding a Net Force
      • Newton's Second Law of Motion - Finding Acceleration
      • Newton's Third Law of Motion
    • Physics - Energy and Waves
    • Astronomy
    • Next Generation Science Standards (NGSS)
  • BMS Lacrosse
  • STEM at CHS
  • About
  • Contact

Happy Halloween!

10/31/2018

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In class today some students dressed up like different animals and then we put them in order from most relate to least related to humans. We then used that information to create a phylogenetic tree that we drew in our notebooks.
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Darwin and Wallace and the origin of species.

10/30/2018

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Throughout our unit on biodiversity, we keep coming back to the question "Why are there so many different types of animals and where did they come from?" In class today we began a documentary about the two 19th century scientists who began to figure it all out.
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Galapagos Finches Continued

10/26/2018

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In class today we took a short formative assessment over adaptation and natural selection. Then we finished the finches documentary from yesterday.

Gold Tape Question: For this week's gold tape question, choose another unique animal only found in the Galapagos Islands and propose an explanation for why this unique animal only exists in this one place. Think about where the animal may have originally come from and what changes may have led to this unique species. You can find a link to some of the unique Galapagos animals here. Email your answer to Mr. Powell by the beginning of school on Tuesday.
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Galapagos Finches

10/25/2018

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The Galapagos Islands off the western coast of Ecuador are truly a natural marvel. The species found there are totally unique and give scientists and opportunity to study how species develop and change over time. Peter and Rosemary Grant have been studying the native finches on the islands for many years. In class today we watched the beginning of a short documentary on the Grants and then we sorted and identified our own finches into our notebooks.
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Clipbird Island Analysis

10/23/2018

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Now that all classes have completed collecting and analyzing their Clipbird Island, we can compare the results from each of the classes with each other. Here are the graphs from each of the classes.
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Giraffe Gallery

10/22/2018

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Students I hope you're enjoying your time off and parent teacher conferences. Here is a gallery of your giraffe drawings from friday!
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Living things change

10/19/2018

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Over the last several days we have looked at how random events, following a set of rules, given enough time will create patterns. And this is the general way in which living things change over time. In class today we tried to answer the question "Why do giraffes have long necks?" Students designed experiments to test their hypotheses and then we compared their expected evidence to actual evidence. What they found is that giraffe necks have a much different function than they expected! Animals adapt to their environment over time and these adaptations are rooted in our last unit, genetics.
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Chaos Game!

10/16/2018

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In class we played the chaos game and found that random events, over time, will create patterns. You can see a computer simulation of the chaos game in the video to the right.
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Final GTQ of First Quarter

10/15/2018

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Gold Tape Question: Finish watching the documentary "The Gene Doctors" and write a half page response to the film. In your response you should make connections to what we studied in our genetics unit, a personal connection, and describe which of the 4 case studies (4 different diseases/ patients) you connected with the most and why. The documentary is available on Amazon Prime and Netflix. Email your response or turn in a hard copy by Tuesday morning.
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You did it!

10/11/2018

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    Mr. Powell is a High School Science Teacher in Western Colorado.

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