Worksheets100 ITEMS
Total questions: 100
Worksheet time: 53mins
A scientist's primary role is to conduct researches and experiments to:
Market new products.
Expand their knowledge and understanding.
Improve existing services.
Develop original ideas.
Who is defined as the person who turns creative ideas into practical solutions to improve existing products, processes, or services?
Scientist
Inventor
Researcher
Innovator
Which scientific skill involves relying on your senses and sense organs to collect information about an object or event?
Inferring
Observing
Communicating
Classifying
Grouping things into smaller categories based on similar properties or given criteria is called:
Inferring.
Predicting.
Classifying.
Comparing.
What is the process of providing a temporary explanation based on your observations?
Predicting
Inferring
Measuring
Communicating
The skill that involves stating the outcome of a future event based on patterns of evidence is:
Comparing.
Classifying.
Predicting.
Inferring.
The skill of transforming observations or data into an understandable format, such as through charts or graphs, is:
Measuring.
Inferring.
Communicating.
Predicting.
Which scientific attitude is shown by seeking answers and asking questions about things around you?
Humility
Honesty
Curiosity
Open-Mindedness
A scientist who recognizes the ideas of other people and listens to criticisms is demonstrating:
Creativity.
Humility.
Curiosity.
Open-Mindedness.
Which attitude requires a scientist to admit when they miscalculate or misinterpret their observations?
Honesty
Humility
Creativity
Open-Mindedness
Providing an accurate account of information and not altering any data to please others is an example of:
Honesty.
Creativity.
Humility.
Curiosity.
Using different strategies and not restricting oneself to one approach in problem-solving demonstrates:
Honesty.
Logic.
Creativity.
Open-Mindedness.
A student notes that a basketball is larger than a tennis ball. Which scientific skill is applied?
Inferring
Classifying
Predicting
Comparing and contrasting
A scientist records the weight of a soil sample using a standardized scale. Which scientific skill is this?
Observing
Measuring
Inferring
Communicating
A report with diagrams showing the results of an experiment is an application of which skill?
Measuring
Communicating
The observation "The ice cream melted when left on the table" leads to the inference:
The table is sticky.
Heat causes the ice cream to melt.
The ice cream was spoiled.
The street is flooded.
A pupil is enthusiastic and attentive when listening to an opposing viewpoint. This is a sign of being:
Honest.
Humble.
Curious.
Open-minded.
A researcher makes sure to properly cite all sources used in a written report. This demonstrates integrity and respect for:
Scientific skills.
Intellectual property.
Creativity.
Open-mindedness.
Which skill is necessary when observing different flowers to determine similarities and differences among them?
Classifying
Inferring
Comparing and contrasting
Predicting
A scientist uses their knowledge, skills, and curiosity to explore the world and understand nature. This is the definition of a:
Inventor.
Innovator.
Scientist.
Engineer.
Which component of the circulatory system helps your body fight off infections and diseases?
Red blood cells
Platelets
White blood cells
Plasma
The most productive way of learning science is to ask questions and to:
Consult an expert.
Follow a manual.
Find answers to them.
Perform one experiment.
Which scientific attitude is demonstrated by a scientist who combines logic, creativity, and curiosity to analyze unexpected data?
Honesty
Creativity
Humility
Open-Mindedness
Which part of the GI tract helps move the food down the esophagus?
Stomach
Tongue
Large intestine
Liver
The process of pumping blood throughout the body is the main function of the:
Respiratory system.
Digestive system.
Muscular system.
Circulatory system.
Which body system is responsible for movement, stability, and support?
Skeletal system
Muscular system
Circulatory system
Digestive system
The physical breakdown of food into smaller pieces by the teeth is called:
Chemical Digestion.
Peristalsis.
Mechanical Digestion.
Absorption.
Which involuntary muscle movement transports the food from the esophagus through the stomach?
Contraction
Peristalsis
Flexing
Extension
In which part of the digestive system does chemical digestion get completed, allowing most nutrients to be absorbed?
Stomach
Large intestine
Esophagus
Small intestine
What forms a clot to stop bleeding?
White blood cells
Red blood cells
Platelets
What are the small air sacs in the lungs where the oxygen gets absorbed into the blood?
Bronchi
Trachea
Alveoli
Bronchioles
What is the chemical name for the rust that is formed when iron reacts with oxygen?
Silver sulfide
Iron oxide
Carbon dioxide
Oxygenated iron
Materials that can break down biologically or chemically are categorized as:
Nonbiodegradable materials.
Oxo-degradable materials.
Degradable materials.
Hazardous materials.
The rapid increase of algae in water due to chemical nutrients is called:
Air pollution.
Soil infertility.
Eutrophication.
Waste segregation.
Which R of waste management means making a conscious choice of not accepting unnecessary items like plastic bags?
Reduce
Reuse
Refuse
Recycle
Which R of waste management is promoted by using less harmful and nonrecyclable products such as single-use plastics?
A. Reduce
B. Recover
C. Refuse
D. Recycle
The R that refers to the use of discarded items for other purposes, like composting or generating energy from waste, is:
Reduce.
Reuse.
Recycle.
Recover.
Which scientific skill is applied when you compare the size of a liquid based on a graduated cylinder?
Predicting
Measuring
Observing
Classifying
The canals are clogged by waste is a possible inference for which observation?
The ice cream melted when left on the table.
The street is flooded after a heavy rain.
There are broken pieces of glass scattered on the floor.
The plant is growing faster.
What is the name of the toxic smoke with a very unpleasant smell released by burning fossil fuels?
Ashes
Soot
Fume
Particulate
Whose famous work established the relationship between mass and energy?
Angel Alcala
Nikola Tesla
Albert Einstein
Thomas Edison
The work of Albert Einstein influenced the development of which widely used technology?
Alternating current (AC) motor
The telephone
Global positioning system (GPS)
The phonograph
Who is the Filipino national scientist recognized for her contributions to pediatrics?
Fe Del Mundo
Angel Alcala
Angel C. Alcala
Dr. Fe Del Mundo
Fe Del Mundo invented a low-cost incubator specifically for babies in rural areas who suffered from what condition?
Diarrhea
Measles
Jaundice
Polio
The inventor of the phonograph, a device that allowed people to record and playback sound, was:
A. Alexander Graham Bell.
B. Nikola Tesla.
C. Steve Jobs.
D. Thomas Edison.
Whose groundbreaking invention laid the foundation for modern cinema?
Thomas Edison
Alexander Graham Bell
Tim Berners-Lee
Albert Einstein
Angel Alcala is best known for promoting what in aquatic ecosystems across the Philippines?
Artificial reefs
Biodiversity
Fishing industries
Waste management
Who is credited with developing artificial coral reefs now widely used for Southeast Asian fisheries?
Fe Del Mundo
Angel Alcala
Alexander Graham Bell
Nikola Tesla
The scientist credited as the inventor of the telephone is:
Nikola Tesla.
Thomas Edison.
Alexander Graham Bell.
Tim Berners-Lee.
Alexander Graham Bell innovated Edison’s phonograph, resulting in an improved device called the:
Telegraph.
Graphophone.
Gramophone.
AC motor.
Nikola Tesla is best known for his invention of the:
Telephone.
Incandescent light bulb.
Alternating current (AC) motor.
Personal computer.
The AC motor made the transmission of electricity possible over what kind of distances?
Short distances
Extremely limited distances
Long distances
Fixed distances
Who collaborated to develop the world’s first commercially available personal computer?
A. Albert Einstein and Nikola Tesla
B. Steve Jobs and Steve Wozniak
C. Fe Del Mundo and Angel Alcala
The invention of the personal computer primarily improved people's productivity and made their lives:
More complicated.
Simpler.
More competitive.
Costlier.
Who is the British scientist who invented the World Wide Web?
A. Alexander Graham Bell
B. Albert Einstein
C. Tim Berners-Lee
D. Nikola Tesla
The World Wide Web was first aimed to help scientists do what?
Sell their inventions
Share knowledge anytime and from anywhere
Develop new maps
Create new programs
Which scientist's work led to the development of nuclear energy to generate power?
Thomas Edison
Nikola Tesla
Albert Einstein
Angel Alcala
Whose version of the incandescent light bulb was more practical and affordable than the one that existed at the time?
Nikola Tesla
Thomas Edison
Alexander Graham Bell
Steve Wozniak
Fe Del Mundo developed the internationally recognized diet known as BRAT, which stands for Banana, Rice, Applesauce, and:
Tea.
Toast.
Tuna.
Turkey.
Whose work emphasizes the critical importance of marine protected areas in species rehabilitation?
Fe Del Mundo
Nikola Tesla
Angel Alcala
Tim Berners-Lee
What did Alexander Graham Bell's invention of the telephone revolutionize?
Transportation
Communication
Nikola Tesla is also credited for his Tesla coil in the field of radio, TV, wireless communication, and:
Nuclear energy.
X-ray technology.
GPS.
Genetics.
The collaboration of Steve Jobs and Steve Wozniak transformed how people viewed what?
Automobiles
Telephones
Computers
Medicine
The invention of the World Wide Web revolutionized the way people:
Travel
Communicate
Electrify
Digitize
Fe Del Mundo's research on several infectious diseases was used as a reference for using what in the Philippines?
Vaccines and immunization
Incubation techniques
GPS technology
Coral reefs
Thomas Edison's incandescent light bulb innovation made his version more practical and:
Brighter.
Complex.
Affordable.
Durable.
Who utilized their creativity and problem-solving skills to make things better and more efficient?
Scientist
Inventor
Innovator
Researcher
Which scientist's work is used in many applications such as Waze, Google Maps, and Apple Maps?
Nikola Tesla
Thomas Edison
Albert Einstein
Angel Alcala
Angel Alcala's artificial coral reefs are now widely used for what purpose?
To restore and protect marine biodiversity.
To create artificial fishing grounds.
To enhance tourism in coastal areas.
To support marine research.
Which invention laid the foundation for modern cinema?
Telephone
AC Motor
Phonograph
World Wide Web
The invention of the personal computer improved people's:
Artistic skills.
Manual labor.
Productivity.
Athletic performance.
What nationality is Albert Einstein listed as being, besides German?
British
American
Serbian
Filipino
Alexander Graham Bell's invention of the telephone led to the establishment of networks and the spread of:
Goods.
Information.
Energy.
Wealth.
The AC motor made it possible to transmit electricity over long distances, which significantly changed the way electricity is:
Stored and transported.
Measured and recorded.
Transmitted and used.
Produced and taxed.
Which Filipino is a national scientist known for pediatrics?
Angel Alcala
Nikola Tesla
Fe Del Mundo
Tim Berners-Lee
What type of energy did Einstein's work influence the development of for generation?
Solar energy
Wind energy
Nuclear energy
Hydro energy
Steve Jobs and Steve Wozniak's invention transformed how people viewed computers and what they could accomplish with:
Themselves.
Them.
The internet.
Their hands.
What kind of individual is described as being creative, coming up with original ideas, and developing new products?
Scientist
Innovator
Engineer
Inventor
What nationality is Nikola Tesla listed as being, besides Serbian?
American
German
British
Filipino
The graphophone was an improved device based on whose invention?
Thomas Edison
Nikola Tesla
Steve Wozniak
Alexander Graham Bell
When a material undergoes a chemical reaction, which of the following results?
A. A change in size and shape
B. The original materials can be recovered physically
C. The formation of a new material
D. Only a change in temperature
What is the ability of a material to react with another material called?
Flammability
Deterioration
Reactivity
Tarnishing
Substances or materials that undergo a chemical change are called:
Products.
Reagents.
Reactants.
Catalysts.
What happens when silver sulfide forms on silverware?
Tarnishing
Flammability
What causes milk to smell bad when it spoils?
Heat
The formation of a new substance by bacteria
Freezing
Improper storage
Wood and coal are usually used as fuel sources because they are:
Corrosive.
Deteriorating.
Flammable.
Reactive.
What is the toxic smoke with a very unpleasant smell that is a product of a chemical reaction called?
Ash
Fume
Soot
Smoke
The tendency of a material to lose its quality due to changes like wear and tear, and chemical changes like corrosion, is called:
Reactivity.
Tarnishing.
Flammability.
Deterioration.
Materials like paper and wood that break down biologically or chemically are known as:
Nonbiodegradable materials.
Degradable materials.
Reactive materials.
Hazardous materials.
Bags labeled "oxo-degradable" contain materials that can safely break down and:
Decompose.
Corrode.
Harden.
React.
Which of the following is an example of a biodegradable material?
Plastic
Aluminum
Coffee grounds
Glass
Which of the following is an example of a nonbiodegradable material?
Fruit scraps
Aluminum
Paper
Wood
What is the result of harmful chemical reactions that occur in landfills, bodies of water, and air?
Homeostasis
Eutrophication
Pollution
Deterioration
Which of the following is a source of water pollution?
Emissions from vehicles
Quarrying and mining
Heavy metals
Oil spills
What results from disposing of detergents, soaps, and fertilizers in bodies of water?
Air pollution
Soil infertility
Eutrophication
Tarnishing
Eutrophication results in a shortage of what for animals living in the sea?
Food
Light
Oxygen
Space
Land is polluted when the soil becomes:
Overly productive.
Acidic and infertile.
Moist and dark.
Hard and metallic.
Which of the following is an air pollutant?
Industrial waste
Agricultural runoff
Solid particulates like dust
Untreated sewage
Which R of waste management encourages extending the lifespan of materials such as glass bottles and plastic containers?
Refuse
Reduce
Reuse
Recycle
The Republic Act 9003 is also known as the:
