Quiz about Science Inventions and Discoveries

Question 1

Who is known as the inventor of the light bulb?

Accepted Answer

Thomas Edison

Answer

Nikola Tesla

Answer

Alexander Graham Bell

Answer

Albert Einstein

Question 2

What was the invention of Dr. Fe del Mundo, the famous Filipino scientist?

Accepted Answer

Bamboo incubator

Answer

Fluorescent lamp

Answer

Erythromycin

Answer

Karaoke machine

Question 3

Alexander Graham Bell is famous for inventing which communication device?

Accepted Answer

Telephone

Answer

Radio

Answer

Television

Answer

Telegraph

Question 4

What invention did Benjamin Franklin discover while experimenting with electricity?

Accepted Answer

Lightning rod

Answer

Battery

Answer

Generator

Answer

Solar panel

Question 5

What scientific invention is essential for diagnosing broken bones?

Accepted Answer

X-ray machine

Answer

Stethoscope

Answer

Microscope

Answer

Thermometer

Question 6

Which of the following materials is biodegradable?

Accepted Answer

Paper

Answer

Plastic

Answer

Glass

Answer

Aluminum

Question 7

Which material is known for its ability to conduct electricity?

Accepted Answer

Copper

Answer

Rubber

Answer

Wood

Answer

Glass

Question 8

What happens when wood is burned?

Accepted Answer

It undergoes a chemical change

Answer

It turns into glass

Answer

It becomes stronger

Answer

It becomes magnetic

Question 9

Which material is best for making heat-resistant kitchen utensils?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Glass

Question 10

What property of plastic makes it suitable for packaging?

Accepted Answer

It is flexible and lightweight

Answer

It is biodegradable

Answer

It can conduct electricity

Answer

It easily rusts

Question 11

What is an important characteristic of a good scientist?

Accepted Answer

Open-mindedness

Answer

Closed-mindedness

Answer

Impatience

Answer

Ignoring evidence

Question 12

Which of the following is a secondary source of scientific information?

Accepted Answer

A newspaper summary of a study

Answer

A scientist's lab notes

Answer

A research article in a journal

Answer

A direct interview with a scientist

Question 13

Why is communication important in solving environmental issues?

Accepted Answer

To share ideas and work together

Answer

To keep solutions secret

Answer

To mislead others

Answer

To avoid taking action

Question 14

What is the best way to gather information about pollution in your community?

Accepted Answer

Conduct a guided survey

Answer

Make assumptions

Answer

Ignore the problem

Answer

Spread rumors

Question 15

Why should scientists classify materials?

Accepted Answer

To better understand their properties and uses

Answer

To make experiments more confusing

Answer

To keep knowledge secret

Answer

To create unnecessary work

Question 16

What is a common effect of burning waste materials?

Accepted Answer

It releases harmful gases

Answer

It purifies the air

Answer

It reduces air pollution

Answer

It turns waste into gold

Question 17

Which of the following materials is most harmful to the environment when improperly disposed of?

Accepted Answer

Plastic bag

Answer

Banana peel

Answer

Glass bottle

Answer

Paper cup

Question 18

How can science help address water pollution?

Accepted Answer

By developing water filtration systems

Answer

By ignoring the problem

Answer

By throwing more trash into rivers

Answer

By stopping all water use

Question 19

What should you do when handling reactive materials at home?

Accepted Answer

Keep them away from heat and open flames

Answer

Store them carelessly

Answer

Mix them with other chemicals randomly

Answer

Dispose of them in rivers

Question 20

Which of the following is an example of using science to solve community problems?

Accepted Answer

Developing biodegradable packaging materials

Answer

Spreading fake news about climate change

Answer

Ignoring environmental issues

Answer

Polluting water sources

Question 21

Which of the following is the invention of Gregorio Zara, a Filipino scientist?

Accepted Answer

Videophone

Answer

Jet engine

Answer

Microwave oven

Answer

Solar panels

Question 22

Who developed the first vaccine for rabies?

Accepted Answer

Louis Pasteur

Answer

Edward Jenner

Answer

Robert Koch

Answer

Alexander Fleming

Question 23

What was the primary purpose of Alexander Fleming's discovery of penicillin?

Accepted Answer

To fight bacterial infections

Answer

To strengthen the immune system

Answer

To treat viral diseases

Answer

To improve digestion

Question 24

What did Maria Orosa invent that helped prevent malnutrition?

Accepted Answer

Banana ketchup

Answer

Antibiotics

Answer

Instant noodles

Answer

Vitamin C tablets

Question 25

Which of the following inventions greatly improved the accuracy of timekeeping?

Accepted Answer

Quartz watch

Answer

Compass

Answer

Steam engine

Answer

Stethoscope

Question 26

What property of metals allows them to be hammered into thin sheets?

Accepted Answer

Malleability

Answer

Conductivity

Answer

Elasticity

Answer

Transparency

Question 27

What is a key property of materials that react with acids?

Accepted Answer

They corrode or dissolve

Answer

They burn easily

Answer

They become transparent

Answer

They turn into plastic

Question 28

What happens to metals when they rust?

Accepted Answer

They form a reddish-brown coating

Answer

They melt

Answer

They become stronger

Answer

They lose their conductivity

Question 29

Which type of plastic can be recycled?

Accepted Answer

Thermoplastics

Answer

Thermosetting plastics

Answer

Both

Answer

Neither

Question 30

Which of the following materials is biodegradable?

Accepted Answer

Cardboard

Answer

Aluminum foil

Answer

Styrofoam

Answer

Plastic straw

Question 31

Which of the following is NOT considered a primary source of scientific data?

Accepted Answer

Newspaper reports about research

Answer

Laboratory experiment results

Answer

Personal interviews with scientists

Answer

Direct field observations

Question 32

What is the first step in conducting scientific research?

Accepted Answer

Identifying a problem

Answer

Drawing conclusions

Answer

Collecting data

Answer

Performing an experiment

Question 33

Which of the following is the best way to determine if a source is reliable?

Accepted Answer

Ensuring it is published by a scientific journal

Answer

Checking if it is popular

Answer

Seeing if it has many advertisements

Answer

Looking for personal opinions

Question 34

Why is peer review important in scientific research?

Accepted Answer

To ensure research is accurate and credible

Answer

To keep research results secret

Answer

To allow scientists to publish without evaluation

Answer

To discourage new discoveries

Question 35

What is an important skill needed when analyzing environmental issues?

Accepted Answer

Effective communication

Answer

Being close-minded

Answer

Ignoring evidence

Answer

Relying on personal opinions only

Question 36

How can we minimize the harmful effects of burning materials?

Accepted Answer

By reducing, reusing, and recycling materials

Answer

By burning more plastic waste

Answer

By throwing trash in open fields

Answer

By ignoring the problem

Question 37

Why should we avoid burning plastics?

Accepted Answer

It releases toxic chemicals

Answer

It produces beneficial gases

Answer

It creates fresh air

Answer

It improves soil quality

Question 38

What science process skill is used when grouping objects based on similarities?

Accepted Answer

Classifying

Answer

Observing

Answer

Inferring

Answer

Predicting

Question 39

What is the main goal of waste segregation?

Accepted Answer

To reduce, recycle, and manage waste properly

Answer

To make more waste

Answer

To mix all types of waste

Answer

To burn all waste materials

Question 40

How can a student actively participate in solving local environmental issues?

Accepted Answer

By conducting a guided environmental survey

Answer

By ignoring problems in their community

Answer

By throwing garbage anywhere

Answer

By stopping the use of all materials

Question 41

What is the greatest contribution of Galileo Galilei to modern science?

Accepted Answer

The development of the telescope

Answer

The discovery of bacteria

Answer

The invention of the thermometer

Answer

The invention of the airplane

Question 42

Why was the steam engine an important invention during the Industrial Revolution?

Accepted Answer

It provided faster transportation and powered machines

Answer

It replaced electricity

Answer

It was used to generate wind energy

Answer

It created new forms of food production

Question 43

Why was Dr. Abelardo Aguilar's discovery of erythromycin important?

Accepted Answer

It provided a cure for bacterial infections

Answer

It was the first painkiller

Answer

It helped treat viruses

Answer

It prevented blindness

Question 44

What material did ancient people first use to make tools?

Accepted Answer

Stone

Answer

Plastic

Answer

Metal

Answer

Paper

Question 45

How does an electric generator produce electricity?

Accepted Answer

By converting mechanical energy into electrical energy

Answer

By burning fuel directly

Answer

By using the sun's rays

Answer

By using wind power alone

Question 46

Why do electrical wires have a rubber coating?

Accepted Answer

To prevent electricity from escaping and causing harm

Answer

To make them more flexible

Answer

To help electricity flow better

Answer

To make wires heavier

Question 47

Why is aluminum foil often used for food packaging?

Accepted Answer

It prevents air and moisture from entering

Answer

It can absorb moisture

Answer

It reacts with food

Answer

It can be eaten

Question 48

Why do we use ceramic plates instead of metal plates for hot food?

Accepted Answer

Ceramic does not react with food and holds heat longer

Answer

Ceramic is a good conductor of heat

Answer

Ceramic is heavier than metal

Answer

Metal plates can break easily

Question 49

What chemical property allows iron to rust when exposed to water and air?

Accepted Answer

Oxidation

Answer

Magnetism

Answer

Combustibility

Answer

Density

Question 50

Which of the following is a reversible change in materials?

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Cooking an egg

Answer

Rusting iron

Question 51

Which of the following is the best way to measure how fast a material dissolves in water?

Accepted Answer

Observe how much of it disappears in 5 minutes

Answer

Use a thermometer to check the temperature

Answer

Check the weight of the material after dissolving

Answer

Stir the water and see if it changes color

Question 52

What is the best scientific method to test how different soil types affect plant growth?

Accepted Answer

Use different soils but keep other factors the same

Answer

Plant different types of seeds in different soils

Answer

Water plants at different times every day

Answer

Use artificial plants to speed up the process

Question 53

Which of the following sources is most reliable for gathering scientific information?

Accepted Answer

A research paper from a university

Answer

A blog post about science

Answer

A personal opinion from a scientist

Answer

A movie about science fiction

Question 54

Why is open-mindedness important in science?

Accepted Answer

It helps scientists accept new evidence and ideas

Answer

It allows scientists to ignore data they dislike

Answer

It lets scientists change their experiments randomly

Answer

It prevents scientists from questioning their work

Question 55

What is an important step in verifying scientific information?

Accepted Answer

Checking multiple reliable sources

Answer

Trusting the first source you find

Answer

Using only your own observations

Answer

Asking a friend

Question 56

Why is it important to recycle materials?

Accepted Answer

To reduce pollution and conserve resources

Answer

To increase waste production

Answer

To make trash look cleaner

Answer

To mix all types of waste together

Question 57

Which of these is an environmentally friendly way to dispose of kitchen waste?

Accepted Answer

Composting biodegradable waste

Answer

Burning all waste in the backyard

Answer

Throwing everything in the river

Answer

Burying plastic waste in the soil

Question 58

What is the best way to prevent pollution in rivers?

Accepted Answer

Proper waste disposal and wastewater treatment

Answer

Throwing biodegradable waste into the water

Answer

Filtering water before drinking

Answer

Using more plastic materials

Question 59

Why is it important to classify materials before recycling?

Accepted Answer

To save time and energy

Answer

To mix everything together

Answer

To prevent recycling from happening

Answer

To reduce paper production

Question 60

How does science help solve community problems?

Accepted Answer

By applying research and technology

Answer

By ignoring issues

Answer

By making problems worse

Answer

By stopping people from discussing them

Question 61

Which system in the human body helps us breathe?

Accepted Answer

Respiratory system

Answer

Digestive system

Answer

Circulatory system

Answer

Skeletal system

Question 62

What organ in the respiratory system helps filter the air we breathe?

Accepted Answer

Nose

Answer

Lungs

Answer

Heart

Answer

Stomach

Question 63

Which of the following systems transports blood throughout the body?

Accepted Answer

Circulatory system

Answer

Respiratory system

Answer

Digestive system

Answer

Skeletal system

Question 64

What part of the plant is responsible for making food?

Accepted Answer

Leaves

Answer

Roots

Answer

Stem

Answer

Flowers

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