b.
What is the modern age?
Man is dependent on science in every field of life. How?
What is man blessed with?
Who is a scientist?
What has science given us?
d.
e.
£ How has the span of life of man increased?
Who invented steam engine?
h.
Why is electricity a great invention?
Who were the first men to reach the moon?
Answers
Here is your Answer:
1. What is the modern age?
Ans:- The Modern Age is a period in human history which spans from the 20th century begining with the period after the end of First World War and ending with the advent of the Digital revolution.
2. Man is dependent on science in every field of life. How?
Ans;- Man is dependent on science in every field of life. Scientific knowledge allows us to develop new technologies, solve practical problems, and make informed decisions-both individually and collectively. Because its products are so useful, the process of science is intertwined with those applications: New scientific knowledge may lead to new applications.
3. Who is a scientist?
Ans:- A scientist is someone who conducts scientific research to advance knowledge in an area of interest. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, philosophers engaged in the philosophical study of nature called natural philosophy, a precursor of natural science.
4. How has the span of life of man increased?
Ans:- Humans are living longer around the world. While there have been obvious ups and downs, life expectancy at birth overall has been steadily increasing for many years. It has more than doubled in the last two centuries. This increase was previously driven by reductions in infant mortality
5. Who invented steam engine?
Ans:- Thomas Savery
The steam engine was developed over a period of about a hundred years by three British inventors. The first crude steam powered machine was built by Thomas Savery, of England, in 1698. Savery built his machine to help pump water out of coal mines.
6. Why is electricity a great invention?
Ans:- Electricity is the greatest invention in history because it opened people up to a whole new world. ... Most inventions would have never happened without electricity. Since it was invented, most inventions were based off it and it was used to help create the invention.
7. Who were the first men to reach the moon?
Ans:- Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC; Aldrin joined him 19 minutes later.
Hope it helps!!!