•OBJECTIVE:
Students will complete a reading assignment
so that they can apply some reading strategies to determine the main
idea and write a response to questions generated from the reading.
•W.O.D.
Ruse-trick
•WARM-UP
(interpreting diagrams)
Page 103 Fig 4.1 how does a mixture of
atoms of different elements
differ from a compound?
Reading
assignment
1.Before
reading the article look at title and sub-headings and write 1-2 questions that
come to mind.
2.What
is the main idea of this article?
3.What
happens to old cell phones?
4.What
problems do old cell phones create in our environment?
5.What
is the author’s suggestion about handling old cell phones? Explain how it
should be done.
6.How
can students at PHS make a contribution to help with the large number of cell
phones that are accumulating around us?
Additional
questions
•1.
What percentage of our trash do cell phones makeup?
•2.
Name the heavy metals found in cell phones
•3.
What problems does exposure to heavy metals cause in humans?
•4.
What are the advantages of recycling cell phones?
CW
Questions-models
of the atom; answer on loose-leaf paper
1.Which
sub-atomic particle is each of the following responsible for discovering: (a)
JJ Thomson (b) J. Chadwick
2.What
contribution did Rutherford make to our understanding of atomic structure?
3.Rutherford
stated that “most of the atom is empty space”. Why did he say this?
4.Draw
a diagram of what you think a Rutherford atom would look like.
5.Niels Bohr
model (p129). Draw a diagram of what you think the Bohr’s model looks like. How
is it different from Rutherford’s model?
6.What
is the modern description of the atom?
No comments:
Post a Comment