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

A research article in a journal

A direct interview with a scientist

Why is communication important in solving environmental issues?

To share ideas and work together

Why should scientists classify materials?

To better understand their properties and uses

To make experiments more confusing

How can science help address water pollution?

By developing water filtration systems

By throwing more trash into rivers

What should you do when handling reactive materials at home?

Keep them away from heat and open flames

Mix them with other chemicals randomly

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

Developing biodegradable packaging materials

Spreading fake news about climate change

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

To strengthen the immune system

What happens to metals when they rust?

They form a reddish-brown coating

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

Newspaper reports about research

Personal interviews with scientists

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

Ensuring it is published by a scientific journal

Seeing if it has many advertisements

Why is peer review important in scientific research?

To ensure research is accurate and credible

To keep research results secret

To allow scientists to publish without evaluation

What is an important skill needed when analyzing environmental issues?

Relying on personal opinions only

How can we minimize the harmful effects of burning materials?

By reducing, reusing, and recycling materials

By throwing trash in open fields

What is the main goal of waste segregation?

To reduce, recycle, and manage waste properly

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

By conducting a guided environmental survey

By ignoring problems in their community

By stopping the use of all materials

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

The development of the telescope

The invention of the thermometer

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

It provided faster transportation and powered machines

It was used to generate wind energy

It created new forms of food production

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

It provided a cure for bacterial infections

How does an electric generator produce electricity?

By converting mechanical energy into electrical energy

Why do electrical wires have a rubber coating?

To prevent electricity from escaping and causing harm

To help electricity flow better

Why is aluminum foil often used for food packaging?

It prevents air and moisture from entering

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

Ceramic does not react with food and holds heat longer

Ceramic is a good conductor of heat

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

Observe how much of it disappears in 5 minutes

Use a thermometer to check the temperature

Check the weight of the material after dissolving

Stir the water and see if it changes color

Science Inventions and Discoveries

Authored by Hope Dejaro

Science

4th Grade

Used 2+ times

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102 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is known as the inventor of the light bulb?

Nikola Tesla

Thomas Edison

Alexander Graham Bell

Albert Einstein

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Fluorescent lamp

Erythromycin

Bamboo incubator

Karaoke machine

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alexander Graham Bell is famous for inventing which communication device?

Radio

Television

Telephone

Telegraph

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What invention did Benjamin Franklin discover while experimenting with electricity?

Battery

Lightning rod

Generator

Solar panel

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What scientific invention is essential for diagnosing broken bones?

Stethoscope

Microscope

X-ray machine

Thermometer

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following materials is biodegradable?

Plastic

Glass

Paper

Aluminum

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which material is known for its ability to conduct electricity?

Rubber

Wood

Copper

Glass

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Science Inventions and Discoveries

Who is known as the inventor of the light bulb?

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

Alexander Graham Bell is famous for inventing which communication device?

What invention did Benjamin Franklin discover while experimenting with electricity?

What scientific invention is essential for diagnosing broken bones?

Which of the following materials is biodegradable?

Which material is known for its ability to conduct electricity?

What happens when wood is burned?

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

What property of plastic makes it suitable for packaging?

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