# Science 6 Unit 4-Evidence and Investigation 10 Questions

```ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
Page 1 of 6
Science 6, Unit 4: Evidence and Investigation, 10 Questions
"Submit" at the end of the exam until you are sure of your responses, as your test will be graded
immediately. Good luck!
1.
The Hillside community centre was the scene of a break-in. When the police responded to
the alarm, they found fresh tracks leading away from a side of the building where there
was no door.
The police investigator took a picture of the tracks that started on the ground below a high
window. The picture is shown below.
From the picture, the officer could infer all the following except
A) the suspect wore two different shoes
B) the suspect jumped out of the window
C) there were two suspects
D) the suspect started into a run
2.
On a farm, the footprints in the chart below were observed. It is known that a chicken,
sparrow, cat, dog, and robin left the footprints.
Footprint
Length of footprint
1
4.5 cm
2
3.2 cm
3
6.4 cm
4
3.8 cm
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ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
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10.2 cm
Which footprint belongs to the robin?
A) 1
B) 2
C) 4
D) 5
3. Below is a satellite image of a town in the Amazon Rainforest.
The numbered points along the river were chosen by scientists as various town sites where
the water quality would be tested. They rated the samples, according to several factors, on
a scale from 1 to 10, where 10 is the best water quality. The scientists noted that there was
much less human development (such as homes, factories or roads) around sites 1, 3, and 4.
Site
1
2
3
4
5
6
Rating
3
7
2
8
7
1
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ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
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We can infer that contaminating agents are being introduced into the river in which of the
following areas in town?
A) between sites 2 and 4
B) between sites 5 and 6
C) between sites 6 and 3
D) between sites 3 and 1
4. Refer to the information in question 3.
Beyond Site 1, there is dense, lush rainforest and little development. So little, in fact, that the
scientists were unable to travel there to collect a sample. They have hired you to estimate what
the water quality might be in this undisturbed environment. Based on the collected results, what
would you expect the water quality to be downstream from Site 1? (Give a whole number
estimate.)
5. Refer to the information in question 3.
Many of the townspeople believe that the main cause of the poor water quality at Site 6 is
contamination from the city upstream (not on the map). Based on the results of the water
quality test, is this assumption fair?
A) Yes
B) No
6.
Mrs. Robins decides to take her class on a field trip to the zoo. Before she leaves, she
gives each student a chart outlining the differences between various members of the cat
family:
Characteristics of Select Male and Female Cats:
Species
Weight
Length
Coat
Other
Lion
120260 kg
158250 cm
yellowish-orange
rounded ears, short
neck
Jaguar
45-115 kg
80140 cm
tan with black rings and
dots, or black
stocky appearance
Leopard 28-90 kg
90170 cm
straw-coloured with small
black spots
long, muscular body
Tiger
190330 cm
yellowish-orange with black longer rear legs than
stripes
front legs
65-300 kg
The students are told that, generally, females tend to be smaller than males of the same
species. They are also told that variations in colour are possible.
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ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
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Jenn watched a yellowish-orange animal, measuring about 160 cm, enter a shelter. The animal
had no dark markings on it at all. From this information, she most likely saw
A) a female lion
B) a male lion
C) a female leopard
D) a male leopard
7. Refer to the information in question 6.
Shelley overheard a zookeeper talk about how difficult it was to move a 250 kg cat. Based on
this information, it can be inferred that the animal being referred to is probably a
A) female
B) male
C) tiger
D) lion
8.
The Shaw family has a home-based business. They work out of the office in the corner of
their house. While on holidays, their home was broken into and their motion detection
system called the police with a silent alarm.
Each room is set up with its own motion detector. Their system triggered activity in the
following sequence of areas:
4, 8, 5, 8, 3, 2, 1, 2, 3
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ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
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The suspect likely entered the house through
A) a window in the office
B) the main entrance
C) a window in the master bedroom
D) the side entrance
9. Fingerprints can be classified into several types for faster identification.
1. Arch
2. Loop
3. Whorl
The following fingerprint would be classified as a/an:
A) arch
B) loop
C) whorl
10.
While on a walk, Jason discovers a bird laying on the
snow.
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ExamBank Practice Exam for Science 6, Unit 4: Evidence and Investigation, 10 Questions
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An observation that can be made about the bird is that it
A) is laying on the snow
B) was migrating south
C) has been laying there for 2 days
D) will die if it is not taken to a vet
Submit
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