V.Read the passage carefully and choose the best option (A, B, C or D) Galileo Galilei was one of the first modern scientists. He was born in Pisa, Italy, in 1564. At first he studied philosophy, but later he studied mathematics and astronomy. He was interested in the way the earth and other planets move around the sun. He found out several important facts about our world. He also started a new way of working in science. Before Galileo, scientists didn’t do experiments. They just guessed about...
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V.Read the passage carefully and choose the best option (A, B, C or D)
Galileo Galilei was one of the first modern scientists. He was born in Pisa, Italy, in 1564. At first he studied philosophy, but later he studied mathematics and astronomy. He was interested in the way the earth and other planets move around the sun. He found out several important facts about our world. He also started a new way of working in science. Before Galileo, scientists didn’t do experiments. They just guessed about how something happened. Galileo was different. He did not just make guesses. He did experiments and watched to see what happened.
Galileo was famous for his study of how things fall. He was the first person to do experiments about this problem. Before, people thought that heavy things fell faster than light things. He found out that this was not true. He took a heavy ball and a light ball and he dropped them both from a high place. They fell at the same speed. This meant that weight is not important. This is the law of falling bodies. It is an important law for understanding our world.
The life of the scientist was not always easy in the 1500s. For example, Galileo got into trouble because of his scientific ideas. His ideas were not the same as the religious ideas at the same time. Many religious people did not agree with him. During his whole life he had to worry about this. He even went to prison for a while. But no one could stop him from thinking. He continued to look for scientific answers to his questions about the world.
1. Galileo studied all the following EXCEPT _______.
a. philosophy b. experiments c. mathematics d. astronomy
2. Galileo started a new way of working in science in which__________.
a. he made guesses about how things happened.
b. he did experiments to see how things happened.
c. he was different from other scientists.
d. he did not do experiments
3. In his study of how things fall, Galileo found out __________.
a. that heavy things did not fall faster than light things.
b. that heavy things always fell faster than light things.
c. that weight was not important
d. both a and c
4. Which of the following is NOT true about Galileo ?
a. He was a famous Italian scientist.
b. He lived over four centuries ago.
c. Being sent to prison stopped him from exploring the world .
d. He got into trouble because he was a scientist.
+) Mối liên hệ là công thức tính quãng đường S (m) đi được của vật rơi tự do theo thời gian t (s) là \(S = \dfrac{1}{2}g{t^2}\). Trong đó g là gia tốc rơi tự do, \(g \approx 9,8m/{s^2}\).
+) Với mỗi giá trị của t, cho ta một giá trị tương ứng của S. Khi đó hình ảnh hình học mình hoạ mối liên hệ giữa hai đại lượng chính là đồ thị hàm số \(y = \frac{1}{2}.g{x^2}\;(g \approx 9,8m/{s^2})\)