Science 1st Monthly Test

• He invented the famous telescope.

• He was able to study the sky and discover astonishing things in space.

• He found the largest moons of the planet Jupiter.

• He also discovered that our moon, called Luna in Italian, has mountains.

• He could see Saturn’s ring about 410 years ago through his telescope.

• The invention of the telescope led to the creation of observatory equipment that allowed today’s scientists to have a better view of the Earth and beyond.  

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• He was a great American scientist.

• His work on light bulbs was world changing.

• He made manufacturing practical electric light bulbs possible and worked on safety fuses and switches for light sockets.

• He also invented the phonograph, the first machine to record sound and play 

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• He was a well-known scientist who worked on the science of sound.

• Together with his famous assistant, Thomas Watson, they invented the telephone.

• The telephone has been widely used for communication purposes.

• Alexander Graham Bell had other inventions too including the first metal detector and audiometer.

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1. He was a French scientist whose discoveries about microbes saved many lives.

2. He studied the role of microbes in diseases and spoiling of food, which eventually led to the discovery of the fermentation process.

3. His curiosity and eagerness in search for answers also helped the medical experts formulate vaccines that prevent diseases including the cause of the recent pandemic, COVID-19.

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• He is the father of video conferencing.

• He invented the videophone in 1954.

• He enabled people to see each other while conversing over the telephone.

• His passion for science and technology led to the invention of the first two-way video telephone before the digital age.

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• He was one of the most notable Filipino scientists, whose name appeared on The Asian Scientist 100 – a list of Asia’s most outstanding researchers.

• He invented the artificial coral reefs, a model for Asia and worldwide.

• He made significant contributions to biological sciences with his research and fieldwork to increase and preserve marine biodiversity.

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• He was a renowned Filipino scientist in the field of chemistry for his remarkable research on producing “renewable resources of chemicals and fuels.”

• He was well-known for pioneering the study of coconuts and other crops in the Philippines and extracting surplus oil from the fruit.

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• A Filipina scientist is most remembered for resourcefully inventing an incubator made from bamboo.

• Her strong desire to design inexpensive equipment has saved many people with limited access to medical centers.

• She founded the first hospital in the Philippines and made remarkable contributions to child health.

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Refers to the ability of materials to chemically react to another substance.

• Reactivity

• Corrosion

• Flammability

• Toxicity

• Refers to the slow breakdown of metal as it interacts with the different materials in its environment.

• It may be caused by the interaction of metals with oxidizing substances such as oxygen and water.

Examples:

• Rusting of steel

• Tarnishing of silver

• Change in color of copper

• Reactivity

• Corrosion

• Flammability

• Toxicity