By Stephen Pegler on Monday, February 26, 2007

http://curriculum.dpsk12.org/scien/CSAP_sci_demo_g8_2005.pdf
pages 22-24

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
 

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?

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?

By Stephen Pegler on Monday, January 29, 2007

1 & 2.  List 2 types of fossils and describe them.

3.  Why do we know so little about the Precambrian Time?

4.  What do we call organisms with a true nucleus?

5.  What is the time that half of a radioactive material takes to decay?

By Stephen Pegler on Sunday, January 28, 2007

1.  What are the longest time periods in the Earth's history called?

2.  What is the name given to the longest time period in the Earth's history?

3.  What is a fossil?

4.  Which is more likely to form a fossil - an octopus or an oyster?  Why?

5.  Which is more likely to make a good index fossil
      a.  Organism 1 lived in South America for 5 million years
      b.  Organism 2 lived in Asia and Europe for only 2 million years

By Stephen Pegler on Friday, January 12, 2007

1.  How do you determine the speed of a river?
a.   Speed = distance/time          b.  Speed = time/distance    c. Speed = length x width  d. Speed = height/width

2.  Pitcher plants are plants that    a. eat small insects and animals that fall inside the plant.      b. contain round spheres that look like a baseball.  c. open at rainy times only.    d. live in the desert.

3.  A type of fern that grows in the rainforest that can be eaten is called a     a.  violin.        b.  fiddlehead.             c.&am ... Read More »

By Stephen Pegler on Thursday, January 11, 2007

1.  As water moves slowly through a wetland, some waste materials settle out, some wastes are absorbed by plants, and silt and mud is trapped by plant roots. In this way, wetlands act as natural    a.  filters.             b.  habitats.     c.  tributaries.         d.  artesian wells.

2.  Which group of organisms would all be found living in a tropical rain forest?   a.  Lizards, insects, cacti, kangaroos         b.  Vines, palm trees, tree frogs, monkeys    c.  Evergreens, moose, weasels, mink            d.  Lich ... Read More »

By Stephen Pegler on Tuesday, January 02, 2007

1. The toes of perching birds are adapted to help birds a. wade in water. b. lock onto a branch. c. grab prey. d. crack seeds open.

2. What adaptation helps a poison dart frog survive in its environment? a. It uses its tongue to catch underwater animals. b. It uses its strong legs to swim away from predators. c. It uses its eyes to see at night. d. It uses its bright colors to warn about poisons.

3. Camouflage benefits insects by helping them to a. reproduce. b. move especially fast. c. live in a variety of environments. d. avoid predators.

4. How do some insects help other living things? a. by helping them reproduce b. by spinning fibers made of silk c. by spreading disease d. by fertilizing soil

5. What types of foods do insects eat?
a. only plants b. only animals c. only paper d. anything living or once-living