Grade 5
Unit Test
ENVIRONMENTS
1. Which of the following is NOT
an environmental factor for a
desert cactus?
A. Air
B. Sand
C. Seaweed
D. Water
4. If an organism thrives and
reproduces in a particular
environment, the temperature in
that environment MUST BE
A. outside of the organism’s
range of tolerance
B. within the organism’s range
of tolerance
C. too hot for that organism
2. The environment where a
plant grows best is its
A. aquatic environment
B. optimum environment
C. preferred environment
D. terrestrial environment
3. Moisture level is one example
of an
A. environmental factor
B. optimum condition
D. too cold for that organism
5. One day Tom went mountain
hiking with his mom. They
started at the base of the
mountain and hiked to the peak.
They noticed that a certain type
of tree was only found in the
middle range of the mountain.
The temperature averaged about
30 ° C at the bottom of the
mountain, 25 ° C in the middle,
and 20 ° C at the top. What
might be the range of tolerance
for this type of tree?
C. organism
A. 33 to 37 ° C
D. environment
B. 28 to 32 ° C
C. 23 to 27 ° C
D. 18 to 22 ° C
Revised 1/26/12
Number of Brine Shrimp
Slightly Salty
Many
Some
Few
Mildly Salty
X
Very Salty
X
X
6. Brine shrimp can live in water that goes from slightly salty to very
salty, but they live best in water that is mildly salty. Mildly salty water
would be considered the brine shrimp’s
A. range of tolerance
B. aquatic environment
C. terrestrial environment
D. optimum environment
7. Which of these is a living
(biotic) environmental factor?
A. temperature
B. rock
C. light
D. grass
9. Sara just got a puppy. She
wants to keep it in the back
room of her house. What
scientific instrument will help
her determine if her back room
is within the puppy’s range of
tolerance for temperature?
A. thermometer
8. Few people live on the
continent of Antarctica because
B. ruler
A. there is not enough
drinkable water there
D. computer
B. the temperature there is
within the range of tolerance
for people
C. it is not a preferred
environment for people
D. it is an optimum
environment for seals
Revised 1/26/12
C. balance
10. Alice did an experiment with radish
seeds. She planted one seed in five separate
pots with the same amount and type of soil,
and put them in the same location by the
window. The following charts indicate the
amount of water she put into each pot every
day and the lengths of five roots after 7 days.
According to these data, what is the
optimum amount of water that a radish seed
needs each day in order to sprout?
A. 8 ml
B. 15 ml
C. 20 ml
D. 25 ml
11. The study of terrarium environments in the classroom or laboratory
can help scientists better understand the interrelationships of plants
and animals that thrive in the
A. Pacific Ocean
B. Sahara Desert
C. Arctic Circle
D. Amazon Rainforest
Revised 1/26/12
Look at the picture of the saltwater aquarium and answer the following
questions:
12. List the living (biotic) and nonliving (abiotic) environmental factors
that make up the aquatic environment.
Living (Biotic) Factors
Nonliving (Abiotic) Factors
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13. Describe how the nonliving factors might influence the living factors
in this aquarium environment.
Revised 1/26/12
Three classmates, Sue, Linda, and
Arletta, each got a planting container,
some soil, and 10 sunflower seeds.
Each girl planted eight seeds and took
her planter home to observe growth of
the plants. After 10 days they brought
their planting containers to school and
compared the results. This is what
they saw:
14. List at least 2 ways that their results are different.
15. Explain what might have caused the different results.
16. What 2 questions would you want to ask these students about their
plants?
Revised 1/26/12
17. Look at the wooden box under the desk lamp.
The lid has two halves, one half (Section A) has tiny
holes; the other half (Section B) is solid. Six beetles
and six moths are put into the box. The light is turned
on, and 15 minutes later the moths are all in section A
while the beetles are all in section B. Based on this
evidence, what can you say about the preferred
environment of these insects?
Revised 1/26/12