Bellwork
• These eggs (cells) were
left overnight in
different solutions.
Which egg was left in
the hypertonic/
hypotonic/isotonic
solution? How do you
know?
Science Fact of the Day:
The little Alaskan Wood Frog is capable of reviving
itself back to normal life after staying completely
frozen for months, during which its heart, brain, and
other organs stop functioning.
CO: I will understand how
polymers are made.
LO: I will write notes and complete
a lab.
KWL
• Fill in the section “Know” with what you know
about monomers and polymers.
• DON’T look at your homework notes. 
Monomer
• Mono = one
• Monomers are small units that can be
combined to make larger units.
– Subunits of polymers
Polymers
• poly= many
• Polymer= a large molecule made by bonding
smaller molecular units (monomers) together
• Monomer + monomer + monomer +…= polymer
What is the monomer in the above polymers pictured?
Examples of biological polymers
include:
• Proteins, Complex Carbohydrates,
Lipids, Nucleic Acids (DNA)
Dehydration synthesis = a process through which
polymers are formed from monomers through the
removal of H2O.
Hydro=water
Lysis=cut
Hydrolysis = the
process of
breaking down
polymers into
monomers by
the addition of
H2O.
Hint: Think red
rover
Making/breaking polymers is part
of metabolism.
Today’s
Activity:
The
“Gloop”
Lab
Directions for making “gloop”.
1. Pour the small cup of glue into your plastic
baggie…no, not every drop will go in.
2. Add 2-4 drops of food coloring to the glue and
knead together with your hands.
3. Add 7mL of water to the baggie using the
marked graduated cylinder and mix thoroughly.
4. Add 8 mL of borax to the baggie using the
marked graduated cylinder and mix thoroughly.
5. Title the next section of your notebook, “Gloop
Lab”.
In this lab…
The glue contains a polymer called polyvinyl
acetate resin. We changed the polymer’s
behaviors twice in this activity: once when we
added water and the second time when we
added borax.
Gloop Lab Report:
Copy what is in bold and answer the questions:
1. When we added water, what process was occurring:
dehydration synthesis or hydrolysis? Describe the glue after
water was added.
2. When we added borax, what process was occurring:
dehydration synthesis or hydrolysis? Describe the glue after
borax was added.
3. Summarize what happened during the Gloop Lab in 30 words.
You must use the words: polymer, hydrolysis, dehydration
synthesis
KWL
• Summarize what you’ve learned in 30 words.
Include the words: monomer, polymer,
synthesis, water