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Questions and Answers
Who introduced the concept of gravity in 1687 to explain why objects fall downwards?
Which physicist demonstrated the relationship between electricity and magnetism in the 1800s?
In what century did Albert Einstein revolutionize physics with special relativity?
Which physicist conducted experiments with balls and pendulums, as well as dropped objects from the Leaning Tower of Pisa?
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Who linked gravity to the curvature of space-time, predicting black holes and the Big Bang?
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What led to Pluto being demoted from a planet to a dwarf planet in 2006?
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What is a key step in the scientific method based on the text?
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How did Sir Francis Bacon and Robert Plot contribute to scientific understanding?
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What can breakthrough experiments like the 1919 Royal Society meeting lead to, according to the text?
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Why is diversity in the scientific community important, as highlighted in the text?
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Study Notes
- Physics has evolved over 300 years, initially focused on observing and measuring to understand how things work.
- Galileo in the early 1600s conducted experiments with balls and pendulums, and dropped objects from the Leaning Tower of Pisa to explore gravity's effects.
- Isaac Newton in 1687 introduced the concept of gravity to explain why objects fall downwards and formulated laws that predicted planetary orbits.
- James Clerk Maxwell in the 1800s demonstrated the relationship between electricity and magnetism, leading to the unified theory of electromagnetism and wave nature of light.
- Albert Einstein in 1905 revolutionized physics with special relativity, showing that time and space are relative, and later introduced general relativity, linking gravity to the curvature of space-time, predicting black holes and the Big Bang.
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Description
Explore the key milestones in the evolution of physics over the past 300 years, from Galileo's experiments on gravity to Einstein's groundbreaking theories of relativity and the nature of the universe. Learn about the contributions of notable physicists like Isaac Newton, James Clerk Maxwell, and Albert Einstein.
