Course -Year Level – Section:
Name: Christina May G. Aguilar
BEE-EGE II-1
Subject Matter: Science 4, Grade 4 – Skeletal System Total no. of hours Total test items: 40 items
and Muscular System spent: 20 hours Multiple Choice
ITEM SPECIFICATION PER TAXOMONY OF ITEM
LEARNING PLACEMENT
NO. OF NO.
LESSON / LEARNING % OF
TEACHING OF
TOPIC OUTCOMES ALLOCATION
HOURS ITEMS
R U Ap An E C TOTAL
30% 20% 15% 10% 15% 10%
Chapter 1. Recall the major
1: components of the 6
3 15 6 6 1-6
Skeletal skeletal system
System and their positions.
2. Explain the
primary roles of
the skeletal
4
system, including 2 10 4 4 7-10
support,
protection, and
movement.
3. Apply
knowledge of bone
care through
3 15 6 6 6 11-16
examples of
nutrition and
exercise.
4. Analyze how
bone injuries 4
2 10 4 4 17-20
happen and basic
first-aid options.
1. Identify the
Chapter three types of
2: muscle (skeletal, 6
3 15 6 6 21-26
Muscular smooth, and
System cardiac) and their
placements.
2. Explain how
muscles and 4
2 10 4 4 27-30
bones interact to
enable movement.
3. Assess the
effectiveness of
different physical
activities in
6
maintaining 3 15 6 6 31-36
healthy muscles
and recommend
the best practices
for daily routines.
4. Design a simple
exercise plan that
incorporates 4
2 10 4 4 37-40
activities to
strengthen each
type of muscle.
40
40 items
Total 20 hours 100% 12 8 6 4 6 4
items
Periodical Test in Science 4
Prepared by: Christina May G. Aguilar, BEE-EGE II-1
Name:__________________________________ Score:________
Grade level and section:______________ Date of taking test:______
Chapters coverage: Chapter 1 and 2
Direction: Encircle the letter of the correct answer. STRICTLY NO ERASURES.
1. What is the longest bone in the human body?
a) Spine
b) Rib
c) Femur
d) Skull
2. Which part of the skeletal system protects the brain?
a) Pelvis
b) Skull
c) Spine
d) Ribcage
3. Maria fell and hurt her arm. After an X-ray, the doctor said the bone near her shoulder
was injured. Which bone is most likely affected?
a) Spine
b) Humerus
c) Skull
d) Femur
4. How many bones does an adult human body typically have?
a) 210
b) 180
c) 300
d) 206
5. The ribs are part of which skeletal system region?
a) Cartilage
b) Appendicular skeleton
c) Ligaments
d) Axial skeleton
6. Your friend tells you that the backbone is just one bone. How would you correct
them?
a) It is made of two bones joined together.
b) It has no bones, only cartilage.
c) It is made of multiple small bones called vertebrae.
d) It is made up of one long bone.
7. Which of the following is NOT a function of the skeletal system?
a) Movement
b) Digestion
c) Blood production
d) Protection
8. What does the skeletal system store for the body?
a) Calcium
b) Vitamins
c) Proteins
d) Fat
9. How do bones and muscles work together to move the body?
a) Bones pull on muscles
b) Muscles push on bones
c) Bones push on muscles
d) Muscles pull on bones
10. Anna is running in a race. Which function of the skeletal system is helping her move
forward?
a) Support and movement
b) Calcium storage
c) Blood production
d) Protection
11. Which nutrient is essential for strong and healthy bones?
a) Protein
b) Calcium
c) Iron
d) Vitamin A
12. Peter drinks milk every morning and plays basketball every afternoon. How does
this benefit his bones?
a) It weakens his bones.
b) It strengthens his bones and improves flexibility.
c) It has no effect on his bones.
d) It makes his bones shorter.
13. Which of these foods is best for bone health?
a) Cheese
b) Ice cream
c) Chips
d) Candy
14. Why is it important to avoid slouching?
a) It protects the spine and reduces bone stress.
b) It increases bone density.
c) It improves digestion.
d) It helps build stronger legs.
15. What happens if bones lack calcium?
a) They turn into cartilage.
b) They grow faster.
c) They become stronger.
d) They become weak and brittle.
16. John rarely exercises and eats unhealthy food. What might happen to his bones
over time?
a) They will become weak and more prone to fractures.
b) They will grow longer.
c) They will produce more blood cells.
d) They will become stronger.
17. What is the first thing to do if someone fractures a bone?
a) Immobilize the area
b) Move the injured part
c) Massage the injury
d) Apply heat to the injury
18. Jake tripped while playing and dislocated his shoulder. What kind of injury is this?
a) Dislocation
b) Strain
c) Sprain
d) Fracture
19. Why should you avoid moving someone with a suspected spinal injury?
a) To promote faster healing
b) To prevent discomfort
c) To avoid further damage
d) To stop the bleeding
20. A friend fractured his arm while playing basketball. What is a common first aid step
you can take before the doctor arrives?
a) Immobilize it and apply a cold compress
b) Bend the arm to check for mobility
c) Stretch the arm
d) Massage the injured area
21. Which type of muscle is found in the heart?
a) Smooth
b) Cardiac
c) Skeletal
d) Voluntary
22. Your stomach churns food without you thinking about it. Which type of muscle does
this?
a) Cardiac
b) Voluntary
c) Skeletal
d) Smooth
23. Which type of muscle moves bones?
a) Involuntary
b) Smooth
c) Skeletal
d) Cardiac
24. Where are smooth muscles found?
a) Spine
b) Arms
c) Legs
d) Internal organs
25. How do cardiac muscles differ from skeletal muscles?
a) They contract slower.
b) They are found in the heart and work continuously.
c) They are stronger.
d) They are voluntary.
26. What connects muscles to bones?
a) Cartilage
b) Tendons
c) Ligaments
d) Joints
27. What happens when a muscle contracts?
a) It relaxes.
b) It lengthens.
c) It shortens.
d) It expands.
28. Why are skeletal muscles considered voluntary muscles?
a) They control digestion.
b) They are attached to the heart.
c) They move bones by conscious effort.
d) They work without the brain’s input.
29. Jenny lifts her arm to wave at her friend. Which two systems are working together?
a) Circulatory and muscular systems
b) Nervous and muscular systems
c) Skeletal and muscular systems
d) Digestive and skeletal systems
30. How does the nervous system help the muscular system?
a) It sends signals to control muscle movement.
b) It provides energy.
c) It strengthens the muscles.
d) It provides nutrients.
31. Cycling primarily strengthens which type of muscle?
a) Smooth
b) Cardiac
c) Skeletal
d) Involuntary
32. Why is stretching important before exercise?
a) To weaken muscles.
b) To prevent injuries and improve flexibility.
c) To reduce strength.
d) To increase cramps.
33. Which activity is best for improving muscle endurance?
a) Jumping once
b) Sleeping
c) Lifting heavy weights
d) Running long distances
34. What role does hydration play in muscle health?
a) It strengthens the muscles.
b) It prevents cramps and muscle fatigue.
c) It slows muscle contraction.
d) It weakens the muscles.
35. What nutrient is most important for muscle repair?
a) Calcium
b) Protein
c) Vitamin D
d) Fat
36. What happens to muscles when a person avoids physical activity for too long?
a) They grow longer.
b) They weaken and lose mass.
c) They become more flexible.
d) They become stronger.
37. Which activity strengthens cardiac muscles?
a) Typing
b) Eating
c) Jogging
d) Watching TV
38. Why is it important to include rest in an exercise plan?
a) To weaken the muscles.
b) To allow muscles to recover and grow.
c) To prevent hunger.
d) To avoid dehydration.
39. A proper exercise plan should include which of the following?
a) Only strength exercises
b) Only cardio exercises
c) A mix of strength, endurance, and flexibility exercises
d) Only stretching exercises
40. Anna created an exercise plan that includes daily jogging and weekly swimming.
Which muscle types will benefit the most?
a) Skeletal and cardiac
b) Cardiac and smooth
c) Smooth and skeletal
d) Skeletal only
ANSWER KEY
1. C
2. B
3. B
4. D
5. D
6. C
7. B
8. A
9. D
10. A
11. B
12. B
13. A
14. A
15. D
16. A
17. A
18. A
19. C
20. A
21. B
22. D
23. C
24. D
25. B
26. B
27. C
28. C
29. C
30. A
31. B
32. B
33. D
34. B
35. B
36. B
37. C
38. B
39. C
40. A
Difficulty Index
Christina May G. Aguilar, BEE-EGE II-1
No. of students/pupils: 63
No. of items: 40
Table 1 - Difficulty index
Item No. (R) (p) Level of Difficulty
1. 23 0.37 Difficult
2. 47 0.75 Easy
3. 12 0.19 Very Difficult
4. 21 0.33 Difficult
5. 11 0.17 Very Difficult
6. 9 0.14 Very Difficult
7. 50 0.79 Easy
8. 54 0.86 Very Easy
9. 39 0.62 Easy
10. 33 0.52 Moderate
11. 43 0.68 Easy
12. 21 0.33 Difficult
13. 8 0.13 Very Difficult
14. 9 0.14 Very Difficult
15. 2 0.03 Very Difficult
16. 29 0.46 Moderate
17. 11 0.17 Very Difficult
18. 39 0.62 Easy
19. 16 0.25 Difficult
20. 19 0.30 Difficult
21. 29 0.46 Moderate
22. 33 0.52 Moderate
23. 9 0.14 Very Difficult
24. 7 0.11 Very Difficult
25. 56 0.89 Very Easy
26. 35 0.56 Moderate
27. 61 0.97 Very Easy
28. 11 0.17 Very Difficult
29. 16 0.21 Difficult
30. 13 0.32 Difficult
31. 20 0.35 Difficult
32. 38 0.60 Moderate
33. 4 0.06 Very Difficult
34. 59 0.94 Very Easy
35. 19 0.30 Difficult
36. 56 0.89 Very Easy
37. 49 0.78 Easy
38. 8 0.13 Very Difficult
39. 18 0.29 Difficult
40. 12 0.19 Very Difficult
Discrimination Index
Christina May G. Aguilar, BEE-EGE II-1
No. of students: 63
No. of items: 40
Table 2 - Discrimination Index
Item No. U L D Interpretation Decision
1. 14 4 0.59 Excellent Retain
2. 11 2 0.53 Excellent Retain
3. 15 10 0.29 Fair Revise
4. 13 4 0.53 Excellent Retain
5. 4 3 0.06 Poor Reject
6. 5 10 -0.29 Poor Reject
7. 13 4 0.53 Excellent Retain
8. 5 7 -0.12 Poor Reject
9. 10 6 0.24 Fair Revise
10. 3 3 0.00 Poor Reject
11. 16 14 0.12 Poor Reject
12. 10 6 0.24 Fair Revise
13. 9 1 0.47 Excellent Retain
14. 10 14 -0.24 Poor Reject
15. 12 4 0.47 Excellent Retain
16. 12 9 0.18 Poor Reject
17. 9 7 0.12 Poor Reject
18. 15 7 0.47 Excellent Retain
19. 13 10 0.18 Poor Reject
20. 12 2 0.59 Excellent Retain
21. 16 1 0.88 Excellent Retain
22. 12 9 0.18 Poor Reject
23. 11 6 0.29 Fair Revise
24. 10 5 0.29 Fair Revise
25. 5 6 -0.06 Poor Reject
26. 7 9 -0.12 Poor Reject
27. 12 9 0.18 Poor Reject
28. 11 10 0.06 Poor Reject
29. 14 4 0.59 Excellent Retain
30. 12 8 0.24 Fair Revise
31. 12 4 0.47 Excellent Retain
32. 11 4 0.41 Excellent Retain
33. 4 12 -0.47 Poor Reject
34. 4 3 0.06 Poor Reject
35. 12 5 0.41 Excellent Retain
36. 15 9 0.35 Good Retain/Revise
37. 11 4 0.41 Excellent Retain
38. 12 6 0.35 Good Retain/Revise
39. 10 3 0.41 Excellent Retain
40. 6 9 -0.18 Poor Reject
