WorksheetsSCIENCE REVIEW ASSESSMENT (1ST Q)
Total questions: 30
Worksheet time: 15mins
What significant invention did Dr. Fe del Mundo create?
Television
Telephone
Light bulb
Bamboo incubator
Who is known for his invention of the Video Phone?
Thomas Edison
Nikola Tesla
George Westinghouse
Gregorio Y Zara
Who invented the Erythromycin?
Abelardo Aguilar
Alexander Fleming
Jonas Salk
Albert Sabin
Which Filipino inventor is known for his development of the “First Two-Way Video Phone”?
Rolando dela Cruz
Gregorio Zara
Angel Alcala
Jaime C. Laya
What is one of the inventions by Roberto del Rosario?
Karaoke
Microwave oven
Airplane
Computer
Who discovered penicillin?
Alexander Fleming
Louis Pasteur
Marie Curie
Gregor Mendel
Which invention has greatly changed the way people communicate with each other?
Laptop
Television
Cellphone
Projector
What invention has contributed to the improvement of health?
Electronic mosquito repellant
Electronic door opener
Jeepney
Steamboat
Which of the following does NOT belong to the category of household inventions?
Refrigerator
Stove
Projector
Burglar alarm
What is an example of an invention in agriculture?
Soyalac
Banana ketchup
Tractor
Jeepney
Which invention is used in education to aid learning?
Laptop
Television
Video phone
Jeepney
What was the impact of the invention of the electric fan on household comfort?
Increased noise levels
Reduced air circulation
Improved air circulation and cooling
Decreased home ventilation
What happens to glass when exposed to high temperatures?
It becomes harder
It melts
It changes color
It becomes transparent
What does the term "flammability" refer to?
The ability of a material to dissolve in water
The ease with which a material can catch fire and burn
The tendency of a material to react with oxygen in the air
The ability of a material to conduct electricity
Which of the following is an example of a flammable material?
Glass
Metal
Paper
Rock
What chemical reaction occurs when iron reacts with oxygen and moisture in the air?
Formation of aluminum oxide
Rusting
Release of Carbon dioxide
Production of hydrogen gas
Which material is considered biodegradable?
Plastic drinking straw
Nylon fishing line
Banana peel
Styrofoam
What happens to a banana peel when it is discarded in a natural environment?
It remains unchanged
It decomposes into simpler organic compounds
It reacts with other materials to form new substances
It breaks down into smaller pieces over time
What is a physical change?
A change where new substances are formed
A change in the state or appearance of a substance without changing its chemical composition
A change where heat is produced
A change in the chemical structure of a substance
Which of the following is an example of a chemical change?
Melting ice
Boiling water
Burning wood
Freezing water
What happens to water when it is frozen?
It evaporates
It condenses
It changes into gas
It changes into ice
What is the process called when a liquid turns into a gas?
Freezing
Melting
Evaporation
Condensation
Which of the following is a result of a physical change?
Formation of ash
Rusting of iron
Melting of chocolate
Burning of paper
Which material is highly flammable?
Steel
Concrete
Wood
Gas
How can harmful emissions from burning waste materials be minimized?
Increase the burning temperature
Use a chimney with proper ventilation
Burn waste during windy days
None of the above
How can the corrosion of metal be minimized?
Exposing it to moisture
Painting it with anti-corrosive paint
Heating it to high temperatures
Exposing it to strong acids
How can deforestation be minimized in local communities?
Planting more trees
Increasing logging activities
Clearing more land for agriculture
Building more roads
How can plastic waste be minimized in local communities?
Burning plastic in open fires
Recycling plastic materials
Dumping plastic in rivers
Burying plastic in landfills
How can soil pollution from industrial chemicals be minimized?
Dumping chemicals into nearby rivers.
Proper disposal and treatment of chemicals.
Spraying chemicals on crops.
Storing chemicals in open containers.
How can harmful changes in materials be minimized?
Increase burning of waste materials.
Handle reactive materials with care.
Use more plastic in daily life.
Throw waste materials into rivers.
