8th Science assignments for Feb 13 – 17
Q: Fossil Fuels contain energy that was stored by living organisms millions
of years ago. Where did the energy that was stored originally come from?
A. The soil
B. Geothermal energy
C. Flowing water
Monday
13th
D. The sun
Investigation: Changing Horses Midstream (pp 164 - 170)
Follow the procedure
Answer the wrap-up questions
Use Microsoft Excel to graph results
Q: Many animals, from small insects to large mammals, hibernate during
the winter. An increase in which abiotic factor signals the animals that it is
time to come out of hibernation?
A. Increase in prey population
B. Humidity
C. Rainfall
Tuesday
14th
D. Sunlight
Finish assignment from yesterday. Discuss the graphs and what
they mean. Discuss the wrap-up questions
If finished early, scroll down to tomorrow's assignment and begin
the reading.
Q: Prairie and grasslands once covered much of America. In such an
environment, which of the following abiotic factors is most directly affected
by biotic factors?
A. Sunlight
B. Nitrogen in the soil
C. Rainfall
Wednesday
D. Wind
15th
Reading: Systems that Change Across Time pp 171 - 175
Read
Answer Stop & Think questions
Discuss
EARLY RELEASE
Q: What would happen to a population of birds that feeds on only one type
of seed if the flower that produces that seed was suddenly removed from
the environment?
A. The population would increase in size.
B. Individuals would fight each other over mates.
Thursday
16th
C. The population would die out.
D. The species would change into a species that eats different seeds.
Complete Virtual Lab -- Earthworm Dissection
Click on the link below to go to the virtual lab
Read the Question and answer on the left side of the screen
Scroll down: follow the Procedure step-by-step
Last step -- Answer Journal Questions
Answer these questions on paper and turn them in at the
end of the period
www.mhhe.com/biosci/genbio/virtual_labs/BL_14/BL_14.html
Watch the virtual frog dissection by clicking on the link below:
This video is about eleven minutes
www.zerobio.com/videos/frog_dissection2.htm
Complete the virtual dissection of a fish by clicking on the link
below and following the directions on the website.
http://library.thinkquest.org/05aug/00548/DissectionGame.html
Create a Data Table that shows the major parts of each organism
that was dissected
What are similarities and differences between the three
organisms?
We are looking for specifics within the systems.....Differences in
individual organs? Within the organ system? Which ones are
more complex? Why?
Be prepared to have a class discussion on this
Friday
17th
MID-WINTER BREAK
NO SCHOOL