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First Form Int Science Exam 2ND SEMSETER FINAL DRAFT (1)

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BELMOPAN COMPREHENSIVE SCHOOL
FIRST FORM
Integrated Science Exam
Semester 2
January – June 2019
Allotted time: 1 ½ hours
Read the following instructions carefully:
1. This exam is divided into five sections:
I.
II.
III.
IV.
V.
MULTIPLE-CHOICE (50 items)
TRUE or FLASE (5 items)
FILL IN THE BLANKS (5 items)
MATCHING: (10 items)
STRUCTURE QUESTIONS: (1 item)
TOTAL ATTAINABLE POINTS =
(50 points)
(10 points)
(10 points)
(10 points)
(20 points)
100 points
2. Write your name and the date on your answer sheet.
3. On the space provided on the Answer Sheet, all answers should be marked as indicated by the
instructions.
4. Turn this page ONLY UNTIL TOLD TO DO SO!
Good
Luck!! 
SECTION 1: Multiple- Choice (50 items, 1 point each)
INSTRUCTIONS: Read each question carefully and then select the letter with the most appropriate option.
Shade the corresponding letter on the space provided on the answer sheet.
1. What causes water molecules to
adhere/creep up the measuring cylinder at
the meniscus?
a. Capillary action
b. Cohesion
c. Transpiration
d. Polarity
2. Water is made up which two elements?
a. Hydrogen electrons
b. Proton and neutrons
c. Oxygen and nitrogen
d. Oxygen and hydrogen
3. Tremors that have occurred on Earth's
crust are known as:
a. Volcanic eruptions
b. Earthquakes
c. Bed eruptions
d. Volcano-Earth Quake
4. Which of the following is NOT one of
water’s properties?
a. High specific heat
b. High surface tension
c. High heat of vaporization
d. High density as a solid (ice)
5. All of the following statements are true
about water EXCEPT:
a. More than 60% of the human body
is made up of water
b. Water molecules are able to display
adhesion and cohesion
c. Ice has a lower density than liquid
water
d. Water is a non-polar molecule
6. The high heat capacity of water allows it
to:
a. Form additional hydrogen bonds
b. Absorb large amounts of heat
energy before the temperature of
water changes
c. Boil at lower temperatures than
other liquids
d. None of the above
7. Fish are safe in water, even in freezing
temperatures, due to which property of
water?
a. Ice is less dense compared to liquid
water
b. Surface tension
c. Capillary action
d. Ice is more dense compared to
liquid water
8. The type of bonds formed between water
molecules are called:
a. Covalent bond
b. Polar bond
c. Ionic bond
d. Hydrogen bond
9. What is the name of the process by which
plants lose water?
a. Perspiration
b. Transpiration
c. Condensation
d. Precipitation
10. During evaporation water is converted to a:
a. Solid
b. Liquid
c. Gas
d. Plasma
11. Water falling from clouds is known as:
a. Evaporation
b. Precipitation
c. Transpiration
d. Condensation
e.
12. Clouds are formed through the process of:
a. Condensation
b. Evaporation
c. Sublimation
d. Transpiration
13. The process by which water enters the
ground is known as:
a. Condensation
b. Infiltration
c. Surface run-off
d. Transpiration
14. Which of the following is the correct order
of the water cycle?
a.
b.
c.
d.
Evaporation  run-off  condensation  evaporation
Precipitation  run-off  evaporation  condensation
Condensation  evaporation  run-off  precipitation
Evaporation precipitation  condensation  run-off
15. A mosquito can skate along the top of a
pond because of:
a. Adhesion
b. High specific heat
c. Surface tension
d. Capillary action
16. What abiotic factor kick-starts the water cycle
by providing a heat source?
a. Moon
b. Sun
c. Stars
d. Clouds
1|P a g e
B.C.S 1st Form Integrated Science Exam – JUNE 2019
Teachers: Mrs. Tummala, Ms. Muschamp, Mrs. Barrientos, Ms. Gonzalez, Mrs. Jones
17. The water cycle is the earth’s way of:
a. Recycling water
b. Getting rid of water
c. Using up all of our water
d. Cleaning our environment
18. Amy notices a puddle of water in his front
yard. The next day the puddle is gone.
What most likely happened to the puddle
of water? It _____________.
a. Melted
b. Precipitated
c. Condensed
d. Evaporated
25. The release of magma from a volcano is
called a /an ____________.
a. Epicenter
b. Earthquake
c. Eruption
d. Hotspot
26. The instrument used to measure an
earthquake is known as a:
a. quake meter
b. quake graph
c. seismograph
d. tympanic graph
19. What is Eutrophication?
a. Nuclear waste
b. Toxic chemicals and pesticides
c. Excess nutrients in body of water
that causes dense growth of aquatic
plants
d. The purification of water
27. Exit points on a volcano for the release of
magma are called ___________.
a. exits
b. hotspots
c. chambers
d. vents
20. All of the following are causes of water
pollution EXCEPT:
a. Use of toxic chemicals and
fertilizers
b. Oil spills
c. Improper sewage disposal
d. Recycling of plastics
28. What is the name of the scale that
measures the intensity of volcanic
eruptions?
a. Mercalli scale
b. VEI scale
c. Eruption scale
d. Richter scale
21. The instrument used to study wind speed is
called________.
a. wind vane
b. anemometer
c. hygrometer
d. barometer
22. A _______is a huge wave caused by an
underground earthquake or volcano
eruption.
a. flash flood
b. tornado
c. tsunami
d. flooding
23. Climate is:
a. Pattern of weather over a long
period of time
b. The weather report for the day
c. The changing of weather
throughout the day
d. The weather report for the previous
years
24. Where do hurricanes form?
a. Over warm ocean water
b. Over mountain ranges
c. In the desert
d. Over open fields
29. Temperature can be measured as:
a. degree Celsius
b. degree Fahrenheit
c. percentage
d. both a and b
30. All of the following are types of clouds
EXCEPT.
a. Stratus clouds
b. Cirrus clouds
c. Stevenson clouds
d. Cumulus clouds
31. Atmospheric pressure is:
a. The amount of cloud cover in the
atmosphere
b. The amount of water vapour in the
atmosphere
c. The force on a surface by the
weight of the air above it
d. The amount of sunlight in the
atmosphere
32. What types of equipment would a
meteorologist use to measure weather?
a.
b.
c.
d.
wind vane
meter ruler
barometer
both a and c
2|P a g e
B.C.S 1st Form Integrated Science Exam – JUNE 2019
Teachers: Mrs. Tummala, Ms. Muschamp, Mrs. Barrientos, Ms. Gonzalez, Mrs. Jones
33. The group of stars forming a recognizable
pattern is known as a/an:
a.
b.
c.
d.
Constellations
Celestial bodies
Asteroids
Comet
34. Climate determines:
a.
b.
c.
d.
The plants that are able to grow
The animals that live in the area
Both A and B
None of the above
35. The following planet is considered as
Earth’s sister planet:
a.
b.
c.
d.
Mars
Mercury
Venus
Saturn
36. Which of the following planet is known as
the ‘blue planet’?
a.
b.
c.
d.
Mars
Mercury
Venus
Earth
37. Plants are ___________________.
a.
b.
c.
d.
Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers
39. One example of a carnivore is the
________.
a.
b.
c.
d.
Slug
Plant
Frog
snake
40. The sun is necessary to life in all
ecosystems on Earth. What does the sun
provide that all organisms depend upon to
sustain life?
a.
b.
c.
d.
A natural time of day system
Heat and light for living things
Dry weather
None of these
41. An organism that uses energy to produce
its own food supply from inorganic
compounds is called a(an):
a.
b.
c.
d.
Heterotroph
Consumer
Detritivore
Autotroph
42. The arrows of a food chain indicate?
a. Which animal eat the next
b. The direction of the bigger
organism
c. The flow of energy through the
food chain.
d. None of these
43. The diagram below shows a/an
__________ ecosystem.
Use the food web below to answer
questions 39-41.
a.
b.
c.
d.
Marine Ecosystem
Mangrove Forest
Tropical rainforest
Savannah
44. One way in which humans harm our
ecosystems is?
a.
b.
c.
d.
38. One herbivore seen in the food web is the
__________.
a.
b.
c.
d.
Fox
Frog
Rabbit
Fish
Deforestation
Reforestation
Conserving water
Protecting endangered species
45. Deserts consists of mainly:
a.
b.
c.
d.
sand
gravels (pebbles and cobbles)
exposed bedrock
vegetation
3|P a g e
B.C.S 1st Form Integrated Science Exam – JUNE 2019
Teachers: Mrs. Tummala, Ms. Muschamp, Mrs. Barrientos, Ms. Gonzalez, Mrs. Jones
46. Which of the following is considered a ‘dwarf planet’?
a.
b.
c.
d.
Saturn
Jupiter
Mars
Pluto
47. Savannahs consists of mainly:
a.
b.
c.
d.
Sand
Gravels (pebbles and cobbles)
Exposed bedrock
None of these
48. Which of the following is considered an abiotic factor?
a.
b.
c.
d.
Algae
Animals
Trees
Carbon Dioxide
49. An example of a competitive or invasive species recently
introduced to the marine environment in Belize is the
_______________.
a. Nurse Shark
b. Lion fish
c. Howler monkey
d. Jaguar
50. All of the following are ways to conserve our natural
resources EXCEPT?
a. Limit deforestation
b. Recycle metal and paper
c. Use of alternative energy sources
d. Over fishing
SECTION 2: True or False (5 items, 2 points each)
INSTRUCTIONS: On the space provided on the answer sheet, shade True if the statement is correct or
False if the statement is incorrect.
1. Weather refers to the amount of rain that falls in an area.
2. Humidity is the amount of water vapor present in the air and is measured using a hygrometer.
3. The Kelvin unit is the Standard International unit of measurement for pressure.
4. The Saffir-Simpson scale is used to measure the strength of a hurricane.
5. The solid red flag with two black dots indicates that a hurricane may threaten within 24 hours.
SECTION 3: Fill-in the Blanks (5 items, 2 points each)
INSTRUCTIONS: On the space provided on the answer sheet, write the term that best fits each statement.
Hint: Some words may not be used any at all!
Native
Erosion
Humus
terracing
Recycling
Extinct
Endemic
Minerals
weathering
Howler monkey
Reforestation
Hicatee
lionfish
Horizon
1. Each layer in a soil profile is called a _____________________.
2. ______________ is mostly found in the O horizon.
3. Endemic species are animals and plants that are _______________ to the specific area.
4|P a g e
B.C.S 1st Form Integrated Science Exam – JUNE 2019
Teachers: Mrs. Tummala, Ms. Muschamp, Mrs. Barrientos, Ms. Gonzalez, Mrs. Jones
4. An example of an invasive species is the _______________________.
5. It is important to protect our animals to prevent them from becoming _________________.
SECTION 4: Matching (10 items, 1 point each)
INSTRUCTIONS: : On the space provided on the answer sheet, write the LETTER of the definition in
column B that best matches the respective term in column A. (Hint: some definitions may not be used at
all)
Column A
Column
B_________________
A. This property is due to the high amount of heat needed
for water to evaporate
1. High heat of vaporization
2. High surface tension
3. Cohesion
B. This soil is pale in colour, has high drainage and large
particles.
C. Hydrogen bonds resist stretching or breaking the surface,
giving water this property.
4. Loam soil
5. Soil degradation
6. Hydrophobic
D. Water has a slightly negative end and a slightly positive
end, making it the universal solvent.
E. “water-fearing”, these are molecules that are insoluble in
water.
7. Mechanical weathering
8. Clay soil
F. This soil has the highest water-holding capacity, poor
drainage and very little aeriation.
9. High polarity
G. Water molecules sticking to each other.
10. Sandy soil
H. A decline in the soil’s health status.
I. The breakdown of rocks by wind, water, ice and
temperature changes.
J. This soil has very good water-holding capacity, good
drainage and good aeriation.
K. Water molecules sticking to other surfaces
SECTION 5: Structure Question (1 item, 20 points)
INSTRUCTIONS: On the space provided on the answer sheet, answer the following question to the best
of your abilities. Check your grammar and spelling before submitting your paper.
1. WATER CYCLE (20 POINTS)
a. Label the diagram above on the lines provided on the answer sheet. (2 points each-12 Pts total)
b. Briefly explain what happens at A.
(4 points)
c. Give TWO forms of C.
(4 points)
 The END!!! 
TOTAL 20 POINTS
5|P a g e
B.C.S 1st Form Integrated Science Exam – JUNE 2019
Teachers: Mrs. Tummala, Ms. Muschamp, Mrs. Barrientos, Ms. Gonzalez, Mrs. Jones
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