By Stephen Pegler on
Wednesday, April 11, 2007
1. What is the name of the chemical process that goes on in plants and some bacteria?
2. Describe that process in words.
3. What chemical reactions are the opposite of that process?
4. What is movement from high to low concentration called?
5. When cells move things against a concentration gradiant, we call it this.
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By Stephen Pegler on
Tuesday, April 10, 2007
1. Name a requirement that living things must carry out.
2. Describe how three different types of organisms would carry this out.
3. What are the three types of fires, and how are they different?
4. Why is it important to wear closed toe footwear in a lab?
5. What surrounds a cell?
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By Stephen Pegler on
Monday, April 09, 2007
1. How many parents are necessary for sexual reproduction?
2. What is the name of the genetic material in most living things?
3. What are all living things made of? or, What is the basic unit of all life?
4. Where is the material from #2 found?
5. List one benefit that fire provides to a forest ecosystem.
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By Stephen Pegler on
Monday, March 19, 2007
1. What kind of fuels for a forest fire would you find in a forest?
2. What would be the purpose of thinning trees in a forest?
3. What is the difference between a surface and a ground fire?
4. What can start succession in a forest?
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By Stephen Pegler on
Thursday, March 15, 2007
1. What day is celebrated tomorrow? What did that person do?
2. In Keystone, we will hopefully be studying fire ecology. What starts most forest fires in the West?
3. What is a crown fire?
4. What is fuel?
5. What is a prescribed burn?
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By Stephen Pegler on
Sunday, March 11, 2007
http://curriculum.dpsk12.org/scien/CSAP_sci_demo_g8_2005.pdf
page 36 ff
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By Stephen Pegler on
Thursday, February 22, 2007
1. Question 1 page 57
2. Link here page 11
In Libby’s investigation, which variable was controlled (kept the same)?
A. Number of chews
B. Type of gum chewed
C. Mass of gum after chewing
D. Mass of gum before chewing
3. Link here page 26 Make the sketch of the graph with the labels
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By Stephen Pegler on
Thursday, February 08, 2007
1. Which is longer, an epoch or an era?
2. What is the order of the 3 eras of the Earth's history?
3. What two principles help geologists do relative dating?
4. What are index fossils, and how are they used?
5. If a fossil has 7/8 of the original material changed into the daughter material, how many half lives have gone by?
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By Stephen Pegler on
Wednesday, January 31, 2007
1. What is a basic difference between evolution and Intelligent Design?
2. During which era were the dinosaurs dominant?
3. In which era of the Earth's history are we now living?
4. What is one of the first things to do if something dangerous is noticed in the classroom?
5. What is the habitat of an organism?
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