Republic of the Philippines
Department of Education
Region VII,Central Visayas
SCHOOLS DIVISION OF TOLEDO CITY
CAMBANG-UG ELEMENTARY SCHOOL
First Periodical Test in Science 4
2025-2026
Directions: Read each question carefully. Shade the letter of the correct answer.
1. What do you call a person who creates something?
A.a scientist B. a creator C. an inventor
D. a mind master
2. What 3 things made Edison famous?
A. telephone, vacuum cleaner, and computer
B. light bulb, phonograph, and projector
C. light bulb, camera, and telephone
D. phonograph, camera, and cars
3. What did Gregorio Y. Zara invents besides the videophone?
A. Light bulb
B. Solar-powered water heater
C. Phonograph
D. Airplane
4. Which Filipino scientist is known for inventing the jeepney?
A. Gregorio Y. Zara
B. Diosdado Banatao
C. Leonardo Salvador
D. Narciso Mosuela
5. Which invention has greatly changed the way people communicate with each other?
A. Laptop
B. Television
C. Cell phone
D. Projector
6. What invention has contributed to the improvement of health?
A. Electronic mosquito repellant
B. Electronic door opener
C. Jeepney
D. Steamboat
7. Which of the following does NOT belong to the category of household inventions?
A. Refrigerator
B. Stove
C. Projector
D. Burglar alarm
8. What is an example of an invention in agriculture?
A. Soyalac
B. Banana ketchup
C. Tractor
D. Jeepney
9. Which of the following is an example of a flammable material?
A. Glass
B. Metal
C. Paper
D. RocK
Republic of the Philippines
Department of Education
Region VII,Central Visayas
SCHOOLS DIVISION OF TOLEDO CITY
CAMBANG-UG ELEMENTARY SCHOOL
10. What chemical reaction occurs when iron reacts with oxygen and moisture in the air?
A. Formation of aluminum oxide
B. Rusting
C. Release of carbon dioxide
D. Production of hydrogen gas
11. Which material is considered biodegradable?
A. Plastic drinking straw
B. Nylon fishing line
C. Banana peel
D. Styrofoam
12. What happens to a banana peel when it is discarded in a natural environment?
A. It remains unchanged
B. It decomposes into simpler organic compounds
C. It reacts with other materials to form new substances
D. It breaks down into smaller pieces over time
13. What is a physical change?
A. A change where new substances are formed
B. A change in the state or appearance of a substance without changing its
chemical composition
C. A change where heat is produced
D. A change in the chemical structure of a substance
14. Which of the following is an example of a chemical change?
A. Melting ice
B. Boiling water
C. Burning wood
D. Freezing water
15. What happens to water when it is frozen?
A. It evaporates
B. It condenses
C. It changes into gas
D. It changes into ice
16. What is the process called when a liquid turns into a gas?
A. Freezing
B. Melting
C. Evaporation
D. Condensation
17. How does food waste contribute to environmental issues?
A. It leads to the reduction of greenhouse gases
B. It increases soil fertility
C. It contributes to greenhouse gas emissions
D. It has no significant impact
18. What harmful effects can occur due to too much evaporation of water sources?
A. Increase in rainfall
B. Drying up of water sources
C. Decrease in droughts
D. Growth of aquatic life
Republic of the Philippines
Department of Education
Region VII,Central Visayas
SCHOOLS DIVISION OF TOLEDO CITY
CAMBANG-UG ELEMENTARY SCHOOL
19. What harmful effects can result from the melting of glaciers?
A. Decrease in sea levels
B. Loss of habitat for aquatic animals
C. Reduction in coastal flooding
D. Increase in freshwater availability
20. What harmful effects are caused by corrosion as a chemical change?
A. Strengthening of metal structures
B. Damage to structures like bridges and buildings
C. Decrease in repair costs
D. Preservation of metal objects
21. What is deforestation?
A. The planting of trees in a barren area
B. The cutting down of trees and clearing of forests
C. The protection of forests from cutting
D. The natural growth of forests without human intervention
22. Which of the following is a major cause of air pollution?
A. Recycling
B. Car exhaust
C. Planting trees
D. Composting
23. What is one of the significant consequences of improper waste disposal?
A. Clean water supply
B. Soil fertility
C. Pollution
D. Reduction in greenhouse gases
24. What is a practical action to reduce the harmful effects of deforestation?
A. Increasing logging activities
B. Planting trees
C. Burning forests
D. Ignoring the issue
25. Which of the following is an example of a scientific attitude?
A. Observing
B. Curiosity
C. Measuring
D. Predicting
26. What is a science process skill that involves grouping objects based on similarities
and differences?
A. Measuring
B. Classifying
C. Inferring
D. Observing
27. Which of the following best describes the attitude of objectivity in scientific work?
A. Allowing personal beliefs to influence findings
B. Reporting findings truthfully, regardless of personal opinions
C. Making predictions based on guesses
D. Ignoring the results of experiments
Republic of the Philippines
Department of Education
Region VII,Central Visayas
SCHOOLS DIVISION OF TOLEDO CITY
CAMBANG-UG ELEMENTARY SCHOOL
28. What science process skill involves using the senses to gather information about
objects or events?
A. Inferring
B. Measuring
C. Observing
D. Predicting
29. What is water pollution?
A. The contamination of water bodies with harmful substances
B. The natural purification of water
C. The increase in fish population in rivers
D. The treatment of wastewater for reuse
30. What can cause land pollution?
A. Planting more trees
B. Proper disposal of waste
C. Dumping of garbage and hazardous waste
D. Cleaning up parks and recreational areas
31. Which of the following is an effect of air pollution?
A. Improved health for all individuals
B. Reduction in respiratory illnesses
C. Increased visibility and clearer skies
D. Breathing difficulties and other health problems
32. How can communities help address garbage pollution?
A. By increasing the use of single-use plastics
B. By ignoring waste segregation
C. By practicing proper waste segregation and recycling
D. By throwing garbage in open spaces