FIRST PERIODICAL EXAMINATION IN SCIENCE
4
Name:
____________________________________ Score:___________________________
Grade
and Section: _______________________ Date: ___________________________
Direction:
Choose the letter of the best answer.
1.
Dr. Fe del Mundo is a renowned Filipino scientist known for
her work in which area of medicine?
a)
Cardiology
b)
Pediatrics
c)
Neurology
d)
Dentistry
2.
Which invention by Dr. Fe del Mundo helped improve the care
of newborn babies in rural areas?
a)
The first artificial heart
b)
An affordable and portable incubator
c)
A vaccine for tuberculosis
d)
A new method of surgery for infants
3.
Which Filipino scientist developed a natural mosquito
repellant from the oil of a local plant?
a)
Dr. Lourdes Cruz
b)
Dr. Rolando dela Cruz
c)
Dr. Gavino Trono
d)
Dr. Julian Banzon
4.
What was the significance of Dr. Julian Banzon’s research on
coconut oil?
a)
He proved that it could cure diseases.
b)
He developed a way to make it into biodiesel, providing an
alternative fuel source.
c)
He discovered its potential as a cleaning agent.
d)
He used it as an ingredient in cooking.
5.
Which scientist is credited with the invention of the
water-powered car, an idea which, although controversial, was inspired by
environmental concerns?
a)
Gregorio Zara
b)
Agapito Flores
c)
Daniel Dingel
d)
Eduardo Quisumbing
6.
How did Dr. Gregorio Zara’s invention of the videophone
impact communication?
a)
It made long-distance communication possible without the need
for physical letters.
b)
It allowed for real-time visual communication across
distances, which was innovative for its time.
c)
It replaced all forms of communication, including written and
verbal.
d)
It was used mainly for entertainment purposes.
7.
Which foreign scientist’s invention of the electric light
bulb has significantly influenced how Filipinos live and work?
a)
Thomas Edison
b)
Alexander Graham Bell
c)
Nikola Tesla
d)
Albert Einstein
8.
What lesson can be learned from the invention of the
fluorescent lamp, which is often attributed to Filipino scientist Agapito
Flores?
a)
Inventions are always created by a single person.
b)
The development of inventions is often a collaborative and
ongoing process.
c)
Only foreign scientists create impactful inventions.
d)
The fluorescent lamp was not a significant invention.
9.
Dr. Eduardo Quisumbing is known for his extensive research on
Philippine orchids. How does his work contribute to environmental conservation?
a)
It provides knowledge that helps in the preservation and
cultivation of native plant species.
b)
It leads to the discovery of new fossil fuels.
c)
It allows people to destroy forests more efficiently.
d)
It encourages the introduction of foreign plant species to
the Philippines.
10.
Marie Curie is a
famous foreign scientist known for discovering radium. How did her discovery
influence medical practices worldwide, including in the Philippines?
a)
It allowed the creation of powerful medicines for common
colds.
b)
It led to the development of radiation therapy, which is used
to treat cancer.
c)
It helped in the invention of new surgical tools.
d)
It made vaccines more effective.
11.
Which of the following inventions has the greatest impact on
reducing water wastage in Filipino households?
a)
Electric fan
b)
Water purifier
c)
Rice cooker
d)
Fluorescent lamp
12.
How has the invention of the refrigerator most significantly
affected the lifestyle of families in the Philippines?
a)
It allows families to store food for longer periods.
b)
It helps in cooking meals faster.
c)
It reduces the need for manual labor in food preparation.
d)
It increases the consumption of processed food.
13.
Which local invention has helped improve the efficiency of
farming in rural Philippine communities?
a)
Solar-powered lamps
b)
Mechanical rice thresher
c)
Electric tricycle (e-trike)
d)
Digital rice cooker
14.
What impact has the invention of LED bulbs had on electricity
consumption in Filipino households?
a)
Increased the cost of electricity
b)
Reduced electricity consumption significantly
c)
Made lighting less bright
d)
Increased the use of traditional lamps
15.
Which invention in the local community has most contributed
to better waste management practices?
a)
Biogas digester
b)
Electric stove
c)
Plastic water bottles
d)
Air conditioning units
16.
Which of the following materials will most likely react with
vinegar to produce bubbles?
a)
Plastic
b)
Metal
c)
Paper
d)
Baking soda
17.
Which of the following materials is least likely to burn when
exposed to fire?
a)
Rubber
b)
Cotton cloth
c)
Glass
d)
Wood
18.
Which of the following materials is biodegradable and can be
used for composting?
a)
Aluminum can
b)
Banana peel
c)
Styrofoam
d)
Plastic bag
19.
Which of the following substances is known to cause a
chemical reaction when mixed with bleach, potentially producing harmful fumes?
a)
Water
b)
Vinegar
c)
Detergent
d)
Soap
20.
Which material is most likely to degrade in the environment
without leaving harmful residues?
a)
Plastic bottle
b)
Glass jar
c)
Paper bag
d)
Metal can
21.
What change happens to wood when it is burned in an open
fire?
a)
It turns into liquid
b)
It releases oxygen
c)
It transforms into ash and smoke
d)
It becomes stronger
22.
When coal is burned at high temperatures, what is one of the
primary products formed?
a)
Water vapor
b)
Carbon dioxide
c)
Hydrogen gas
d)
Iron
23.
How does freezing water affect its physical properties?
a)
Water expands and turns into a solid (ice).
b)
Water contracts and becomes denser.
c)
Water changes color to white.
d)
Water evaporates and disappears.
24.
What happens to the molecular structure of metal when it is
heated?
a)
The molecules move slower.
b)
The molecules expand and the metal may melt.
c)
The molecules contract.
d)
The metal hardens.
25.
What is the effect of high heat on the sugar used in cooking
Filipino desserts like leche flan?
a)
It turns the sugar into a powder.
b)
It caramelizes the sugar, turning it brown.
c)
It causes the sugar to dissolve into water.
d)
It evaporates the sugar completely.
26.
Which of the following is the best way to minimize harmful
effects when handling reactive materials in the household?
a)
Use them in large quantities.
b)
Store them in open containers.
c)
Wear protective gloves and goggles.
d)
Mix them with other household chemicals.
27.
What is an effective alternative to burning leaves and other
organic waste in the community?
a)
Burying them underground
b)
Turning them into compost for gardens
c)
Throwing them in the river
d)
Collecting them in plastic bags for disposal
28.
Which practice can help reduce the harmful impact of burning
plastic waste?
a)
Burning plastic in an open area
b)
Recycling plastic materials instead of burning
c)
Burning plastic with other biodegradable waste
d)
Burning plastic only during the rainy season
29.
What is the best way to handle broken glass to prevent injury
and environmental harm?
a)
Throw it directly into the trash bin.
b)
Bury it in the backyard.
c)
Wrap it in thick newspaper before disposal.
d)
Use it as a decoration in the garden.
30.
How can communities in the Philippines minimize the harmful
effects of chemical waste on their environment?
a)
Dispose of chemical waste in rivers.
b)
Use designated hazardous waste facilities.
c)
Mix chemical waste with household trash.
d)
Burn chemical waste to eliminate it.
31.
What scientific approach could be used to address the problem
of flooding due to improper waste disposal in the barangay?
a)
Ignoring the waste problem
b)
Implementing a waste segregation program
c)
Burying all waste in the community park
d)
Burning all waste materials
32.
Which environmental concern can be mitigated by planting more
trees in the local community?
a)
Air pollution
b)
Water scarcity
c)
Noise pollution
d)
Soil erosion
33.
What is a possible scientific solution to reduce the overuse
of plastic bags in local markets?
a)
Encourage the use of reusable bags made from cloth or bayong.
b)
Increase the production of plastic bags.
c)
Provide plastic bags for free.
d)
Burn used plastic bags regularly.
34.
Which of the following is a community action that can reduce
water pollution in local rivers?
a)
Throwing garbage directly into the rivers
b)
Establishing a community-wide waste management system
c)
Reducing the amount of laundry detergent used at home
d)
Allowing factories to discharge waste into the rivers
35.
How can the community address the problem of increasing air
pollution from vehicle emissions?
a)
Use more private vehicles for transportation.
b)
Increase the number of diesel-powered buses.
c)
Promote the use of bicycles and walking.
d)
Burn more fuel to clear the air.
36.
When conducting a survey on waste management practices in
your community, what is the best first step?
a)
Distribute the survey forms randomly without any
instructions.
b)
Group the participants by age and occupation before giving
the survey.
c)
Assume everyone understands waste management well.
d)
Interview only those who are involved in waste management.
37.
Which method would be most effective in classifying data
collected from a community survey about local pollution sources?
a)
Sorting the data by the time of day it was collected.
b)
Grouping the data based on the type of pollution (e.g., air,
water, noise).
c)
Mixing all data together without categorizing.
d)
Ignoring any data that seems irrelevant.
38.
When presenting survey results to the community, what is an
important factor to consider?
a)
Only show the positive findings to avoid conflict.
b)
Communicate the findings clearly and honestly, including all
data.
c)
Exaggerate the results to make them seem more important.
d)
Use complicated scientific terms to impress the audience.
39.
During a guided survey on environmental concerns, how should
conflicting opinions from participants be handled?
a)
Ignore the conflicting opinions.
b)
Encourage an open-minded discussion to understand different
viewpoints.
c)
Choose only one opinion to present in the final report.
d)
Argue with participants who disagree.
40.
What attitude is most important to maintain when analyzing
data from a survey on environmental issues?
a)
Closed-mindedness, focusing only on personal beliefs
b)
Open-mindedness, considering all data and perspectives
c)
Indifference, disregarding any surprising results
d)
Bias, prioritizing data that supports
one's own views
<<<Answer Key>>>
TABLE OF SPECIFICATIONS
FIRST PERIODICAL EXAMINATION IN SCIENCE 4
|
Learning Competencies |
No. of Days |
Percentage |
No. of Items |
Item Placement Under Each Cognitive Domains |
|||||
|
Remembering |
Understanding |
Applying |
Analyzing |
Evaluating |
Creating |
||||
|
1. use information from secondary
sources to identify a famous Filipino and/or foreign scientist and their
invention/s; |
10 |
25% |
10 |
1 2 3 4 5 6 7 8 9 10 |
|
|
|
|
|
|
2. use information from the home or
the local community to identify a science invention and explain its impact on
their everyday life; |
5 |
12.5% |
5 |
|
11 12 13 14 15 |
|
|
|
|
|
3. describe the chemical properties
of materials, such as they can be burnt, react with other materials, or are degradable or
biodegradable; |
5 |
12.5% |
5 |
|
|
16 17 18 19 20 |
|
|
|
|
4. describe changes in properties of
materials when exposed to certain changes in temperature, such as changes
when wood or coal are burned;. |
5 |
12.5% |
5 |
|
21 22 23 24 25 |
|
|
|
|
|
5. demonstrate ways to minimize
harmful changes in materials, such as restriction of burning of waste materials, and care
in handling reactive materials; |
5 |
12.5% |
5 |
|
|
26 27 28 29 30 |
|
|
|
|
6. identify issues and concerns in
the local community and how they could be addressed by science, such as the treatment of
waste; and |
5 |
12.5% |
5 |
|
|
|
31 32 33 34 35 |
|
|
|
7. apply science process skills and
attitudes in conducting a guided survey about environmental issues and
concerns including grouping and classifying, communicating, and open
mindedness |
5 |
12.5% |
5 |
|
|
|
|
36 37 38 39 40 |
|
|
TOTAL |
40 |
100% |
40 |
10 |
10 |
10 |
5 |
5 |
0 |
Prepared by:
YOUR NAME
Teacher III
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