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OVERVIEW
PHYSICAL SCIENCE
Level: ACT – Booklet 5
Section: 4 – Science
Passage: IV
File: ScienceACT_5.pdf
Week 3: November 2-6, 2015
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MONDAY
PHYSICAL SCIENCE
1.
2.
3.
Reason through each question to the best of your ability.
Select your answer choice and clearly fill in the appropriate bubble.
YOU MUST USE A PENCIL.
If the question asks for an explanation, provide one on the Bellwork
sheet for the appropriate day.
You have 90 seconds to read through Passage III. Do so now.
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MONDAY
PHYSICAL SCIENCE
45 seconds
1. Which of the following is not one of the materials used in
either one of these experiments?
(a) Adhesive tape
(b) Meter stick
(c) Spring scale
(d) Plastic wrapping
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MONDAY
PHYSICAL SCIENCE
75 seconds
2. In Experiment 1, what is the (primary) independent variable? In
your own words, explain what an independent variable
is.
(a) The brand of tape used
(b) The type of paper used to wrap the board
(c) The spring scale
(d) The force to remove the tape
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MONDAY
PHYSICAL SCIENCE
75 seconds
3. In Experiment 1, what is the dependent variable? In your own
words, explain what a dependent variable is.
(a) The brand of tape used
(b) The type of paper used to wrap the board
(c) The spring scale
(d) The force to remove the tape
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MONDAY
PHYSICAL SCIENCE
45 seconds
4. Which of the following would be considered a constant variable
throughout Experiment 1? [Select all that apply.]
(a) The material covering the board
(b) The brand of tape used
(c) The spring scale used
(d) The width of the tape
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TUESDAY
PHYSICAL SCIENCE
90 seconds
5. From Experiment 1, which tape brand has the strongest
adhesive quality?.What numbers/values did you compare?
Identify which pieces of information you used and where
you got your information from.
(a) Brand X
(b) Brand Y
(c) Brand Z
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TUESDAY
PHYSICAL SCIENCE
45 Seconds
6. In you own words, explain why the students in this
experiment used three trials for each test, rather than
one or two.
SKIP #6 ON THE ANSWER SHEET
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TUESDAY
PHYSICAL SCIENCE
45 Seconds
7. One student discovers another roll of Tape Brand X with a
width of 4.0 cm. According to the data, it will most nearly
take ________ of force to remove the tape from a paperwrapped board.
(a) 1.5 N
(b) 4.0 N
(c) 6.0 N
(d) 8.0 N
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TUESDAY
PHYSICAL SCIENCE
45 Seconds
8. The results of the 2 experiments support the conclusion that,
for a given brand of tape, as the tape’s width increases, the force
required to remove the tape from a given wrapping:
(a) increases only.
(b) decreases only.
(c) remains constant.
(d) varies, but with no particular trend.
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WEDNESDAY
PHYSICAL SCIENCE
45 Seconds
9. Which brand(s) of tape was/were used at only 2 different
widths in both experiments?
(a) Brand X only
(b) Brand Y only
(c) Brand Z only
(d) Brands Y and Z only
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WEDNESDAY
PHYSICAL SCIENCE
60 Seconds
10. Based on the average results of Experiments 1 and 2,
which of the following brands of tape adhered better to
the paper than to the plastic?
(a) Brand X
(b) Brand Y
(c) Brands X and Y
(d) Brands Y and Z
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WEDNESDAY
PHYSICAL SCIENCE
45 Seconds
11. In Experiment 2, had Brand X tape in a 4.0 cm width
been tested, the force required to remove the tape from
the plastic wrapping would have been closest to:
(a) 5.0 N
(b) 7.0 N
(c) 9.0 N
(d) 11.0 N
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WEDNESDAY
PHYSICAL SCIENCE
60 Seconds
12. In Experiment 1, there is also a secondary independent variable
– that is, a second variable that we also are manipulating or
testing – apart from the tape brand. This secondary
independent variable is:
(a) Trial 1, 2, and 3
(b) The spring used
(c) The material the tape is attached to
(d) The tape width
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THURSDAY
PHYSICAL SCIENCE
45 Seconds
13. In Table 2, which column(s) represent the independent
variable(s)?
(a) Column 1 only
(b) Column 2 only
(c) Columns 3-6
(d) Columns 1 & 2
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THURSDAY
PHYSICAL SCIENCE
75 Seconds
14. The students’ instructor gave them a strip of tape that was 2.5 cm
wide and asked them to identify the brand. The students repeated the
procedures from Experiments 1 and 2 using the tape and obtained
average forces of 4.9 N for paper and 4.1 N for plastic. Which of the
following brands would most likely have produced these results?:
(a) Brand X only
(b) Brand Y only
(c) Brands X and Y only
(d) Brands Y and Z only
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THURSDAY
PHYSICAL SCIENCE
75 Seconds
15. For the students to determine the force required to
remove tape from a wrapping, which of the following
attractive forces had to exceed the adhesive force
between the tape and the wrapping?
(a) The force between the clamp and the tape
(b) The force between the clamp and the paper or plastic
wrapping
(c) The force between the Earth and the wrapping
(d) The force between the Earth and the tape
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FRIDAY
PHYSICAL SCIENCE
3 Minutes
16. The students decide to collect a fourth trial and add it to the
data.
For Brand X (1 cm : 1.8 N; 2 cm : 3.5 N; 3 cm : 4.9 N)
For Brand Y (2 cm : 4.3 N; 2.5 cm : 3.1 N)
For Brand Z (1.5 cm : 3.2 N)
Re-draw Table 2 on your BW sheet with this new trial added.
Then, re-calculate the averages for each set of trials.