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30 Video Learning
CHAPTER
Famous Scientists
Write the names of the scientists who made the following contributions. Take help
from the ‘Hint box’.
1. He discovered gravity, which is why things fall down
instead of floating away. ______________
2. He made a famous equation that helps us
understand energy and mass and had big ideas
about space and time. ______________
3. She found two new elements called radium and
polonium that help us see inside our bodies and
fight cancer. ______________
4. He made a special telescope and saw that the Earth
moves around the Sun. ______________
5. He made milk safe to drink and created vaccines to
stop diseases. ______________
6. He found a medicine called penicillin that fights
germs. ______________
7. He discovered the concept of ‘evolution.’ He showed
that animals and plants change over time based on
their needs and the environment.
______________
Hint Box Knowledge Corner
Louis Pasteur, Alexander Fleming, Albert Einstein was also a skilled violinist, and he
Isaac Newton, Galileo Galilei, Marie Curie often used music to help him think about scientific
Albert Einstein, Charles Darwin problems.
83 General Knowledge-3
