This ALS A&E practice test for Learning Strand 2 - Scientific and Crirical Thinking Skills is taken from the booklet of the Bureau of Alternative Learning as a reviewer for the 2025-2026 A&E Test - Elementary Level, tentatively scheduled on March 1, 2026 (now rescheduled on March 29, 2026.
Direction: Choose the letter of the correct answer.
1. Which of the following is an example of a physical change?
(A)
rusting of iron
(B)
cutting of paper
(C)
souring of milk
(D) digesting of food
2. In 1991, Ormoc in Leyte province experienced a major landslide that caused great damage to crops, livestocks, houses, and killed many people. What human activity led to this tragic incident?
(A)
mining
(B)
garden
(C)
reforestation
(D) deforestation
For item 3
3. Balls A and B are similar in size and material. Ball B is stationary, while ball A is rolling on the floor towards Ball B. What would happen if ball A hits ball B?
(A)
Ball B would start spinning.
(B)
Ball B would remain stationary.
(C)
Ball B would move in the same direction as Ball A.
(D)
Ball B would move in the opposite direction of Ball A.
4. If Jean plans to go to Baguio City, what should she bring with her to cope with theweather?
(A)
sweaters
(B)
sunglasses
(C)
shortpants
(D) sleevelessshirts
5. Instead ofthrowing away old clothes, Victoria cut them into pieces and sewed them to get her as cleaning rags. What waste management method did she apply?
(A)
reuse
(B)
reduce
(C)
recycle
(D)
remake
6. In making pickled papaya, vinegar with an active acid content of at least 5% is appropriate as a preservative. When this type of vinegar is not available, what other kind of vinegar can be used?
(A)
Boiled vinegar-brine solution
(B)
Mixture of two kinds of vinegar
(C)
Any vinegar found in the market
(D) Rice wine vinegar with less than5% acetic acid
7. Waste disposal in the community, such as throwing away garbage anywhere, is a common problem. Which of the following can be considered in this situation?
(A)
If waste disposal in the community is not solved, this may lead to
lung diseases.
(B)
If waste disposal in the community is not managed well, the
people will be healthier.
(C)
If the people in the community know about recycling programs, there will be air pollution everywhere.
(D)
If the people in the community are not educated about waste disposal, this
will not affect nearby communities.
8.
Lava and ash from volcanic eruptions can
bring destruction to surrounding villages. They also provide valuable nutrients for the soil, making it fertile forfuture
planting. Which of the following can be hypothesized from this information?
(A)
Volcanic eruptions are more destructive than constructive.
(B)
Volcanic eruptions are harmful;
therefore, cannot improve a village.
(C) Volcanic eruptions are so destructive that
the positive impact can be ignored.
(D) Volcanic eruptions are destructive but can help a village
become productive.
9.
Renato has observed that in their barangay, many residents do not segregatetheir garbage. They throw these in street
corners where they pile up and rot. There have been incidents of children’s diseases
reported in the area. Which of the following statements could
Renato make as a basis for his proposal on proper waste disposal?
(A) If children’s diseases are not serious, waste disposal is just afamily
issue.
(B)
If there is proper waste segregation, all
kinds of diseases will be prevented.
(C)
If proper waste disposal is practiced,
there will be less cases of
children’s diseases.
(D)
If health measures are practiced while
traveling, there will be fewer cases of communicable diseases.
10. What kind of plants grow on the ground, such as potatoes, sunflowers, and daisies?
(A)
aerial
(B)
aqueous
(C)
terrestrial
(D) herbaceous
For item 11
|
I. Marsupials: kangaroo, koala II. Monotremes: platypus,spinyanteater III. Placental: dog, bats
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11.
The grouping above shows different types of animals
based on how their babies develop. Which groups show the correct
classification?
(A)
I and II only
(B)
I and III only
(C)
II and III only
(D)
I, II, and III
For item 12
|
I.
Animals take in oxygen through the process of respiration.
II.
Plants release oxygen into the atmosphere as a by-product of photosynthesis. III. Carbon dioxide is released by animals and used by plants for photosynthesis. IV. Animals then breakdown sugars and other food substances to produce energy.
|
12. The steps in the oxygen and carbon dioxide cycle are given above. Which of the following shows the correct sequence of steps in the cycle?
(A)
I, II, III, IV
(B)
II, I, IV, III
(C)
III, I, II, IV
(D) IV, III, II, I
13. Contributions of science in improving the quality of life can be seen and experienced in everyday living. Which of the following does NOT enhance the quality of life?
(A)
Shortening of life expectancy
(B)
Access to a variety of mobile phones
(C)
Different types of airconditioner to choose
from
D) Discovery of new medicine for previously incurable diseases
14. Soil is formed through the process of rock weathering. Weathering is the breakdown of rocks into smaller pieces when in contact with environmental factors and living organisms. To describe further, rocks turned into soil through
(A)
the effect of animals only
(B)
the absence of heat and rain
(C)
the action of non-living things
(D)
the action of heat, rain, and wind
|
For item 15
 |
|
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15.
Cecilia is going to have a baby soon. Based
on the observable characteristics shown in the illustration above, what might
their baby look like?
(A)
(C)
(D)
16. The Philippines, particularly the Luzon area, has been preparing for the Big One. It is an earthquake predicted to hit the country with an estimated magnitude of 7.0. Which does NOT describe the importance of a hazard map during a disaster?
(A)
It will create
panic among thepeople.
(B)
It will increase
preparedness during disaster.
(C)
It will
warn people about the occurrence of disaster.
17.
Which of the following shows the correct
sequence of the stages illustrated above in the life cycle of a butterfly?
(A)
1, 3, 2, 4
(B)
1, 3, 4, 2
(C)
4, 2, 3, 1
(D)
4, 3, 2, 1
For item 18
|
I. Estrogen increases in preparation for
the release of
egg. II. If the
egg does not
become fertilized, the
lining of the
uterus breaks down into blood, tissue and fluids
causing menstruation. III. Menstruation lasts
from about three to five days. IV. When the
follicles of the ovary
become mature, it releases an
egg. |
18. The menstrual cycle is the regular natural change that occurs in females every month. Which of the following is the correct order of the stages listed above in a menstrual cycle?
(A)
I, II, III, IV
(B)
I, IV, II, III
(C)
II, III, IV, I
(D)
IV, I, II, III
19.
Science and technology play a major role in performing
a task faster and more easily.
Which of the following does NOT show easier
and faster work at home?
(A)
Cooking with the use of charcoal stove.
(B)
Cooking by the use of pressure cooker.
(C)
Cleaning with the use of vacuum cleaner.
(D)
Washing clothes with the use of washing
machine.
For item 20
20. Which of the phrases given above describes a person who is healthy?
(A)
1 and 2 only
(B)
3 and 4 only
(C)
1, 2 and 3 only
(D)
2, 3 and 4 only
21.
Which of the situations below shows progress
in communication technology?
(A)
Joe presents his report using
Manila paper.
(B)
Rosalinda
greets her son a happy birthday through
a video call.
(C)
Teacher Rey draws the hydrogen
cycle on the board for his
lesson.
(D)
Anna lists down the lyrics
of her favorite song while
listening to the radio.
22. Dan experienced headache for three days, so he decided to buy over-the-counter medicine like paracetamol which is an analgesic. What would be his best reason for buying the medicine?
(A)
Advice from his friend.
(B)
Cheapest medicine for headache.
(C)
Previous prescription by his doctor.
(D)
Available in a store near his house.
23.
Mila felt dizzy, so she consulted a doctor
who recommended she have a complete blood count (CBC) examination. The results
of the laboratory test in an accredited diagnostic center showed that Mila had
a low red blood cell count. The doctor advised her to take vitamins rich in
iron. What is the basis of Mila's medicine?
(A)
Result of examination
(B)
Home remedy from the internet
(C)
Neighbor’s
advice according to experience
(D)
Advice of the doctor according
to her CBC result
For item 24
24.
“Pinggang Pinoy” represents the healthy food plate for Filipinos. How does
the plate given above compare to a balanced meal?
(A)
The food on the plate contains protein,
vitamins and minerals.
(B)
The food on the plate
does not contain
carbohydrates and minerals.
(C)
The food on the plate
does not contain
carbohydrates, protein, and
minerals.
(D)
The food on the plate contains carbohydrates, protein, vitamins and minerals.
25.
Many animals are now considered endangered.
The Philippine eagle is one of them. Which of the following is the reason for
this?
(A)
There is overly
polluted air.
(B)
New species have been introduced.
(C)
Some people consider
them exotic food.
(D)
There is habitat
loss due to
deforestation.
26.
One piece
of evidence that light travels in a straight
path is the formation of a shadow. Which statement is true about shadow?
(A)
Shadow appears in total darkness.
(B)
Light bounces back when hitting
an object.
(C)
Shadow results when an object blocks the light.
(D)
Light fills up all the spaces after hitting an
object.
27.
According
to studies on gender equality, one finding states,
“Boys are still
left behind in basic education.” This is due to poverty, as more males
drop out for work. What can be inferred from this?
(A)
Boys and girls are now enjoying equal rights.
(B)
Boys and girls do not enjoy equal opportunities in education.
(C)
Boys’ rights, according to the Equality
Act, are now practiced.
(D)
Boys are now lagging behind
the girls in all levels of education.
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