How simple ideas led to scientific discoveries

There are several ways that make scientific research will be simple to understand. Richard gives the illustration about physic knowledge with using wagon and ball as the main experiment. Plus Erastothenes try to measure the distance between Alexandria and Sweden to find out about diametre of the earth. Turning to Galileo who attempts the gauge in the speed of light with utilizing ear, eye, and mind, nevertheless, it failed since it was so fast. After that, Ahmad wants to continue Galileo's experiment using simple materials such as wheels, mirror, and eye. Eventually, he did it so that it makes easy to understand for several people. Furthermore, a citizen can do this experiment as well because it is an open field and convenient to explore. It brings people's curiosity and can change the world.

Hi Mister Riandi.
These are a few corrections for your summary

There are several ways that TO make A scientific research will be simple to BE understand UNDERSTOOD. Richard gives GAVE the illustration (...) with using A wagon and ..

Plus Erastothenes try TRIED to measure ...
After that, Ahmad wants WANTED to continue Galileo's experiment BY using simple materials such as wheels, A mirror, and eye. Eventually, he did CONDUCTED it so that it makeseasy to understand COULD BE UNDERSTOOD EASILY for several people. Furthermore, a citizen can do CONDUCTED this experiment as (...) and convenient to BE exploreD.

Sir, ensure that what you write is what you mind. There was sometimes a passive word, but you make it active. Besides that, pay attention to use of tenses. You have to know when you harness the present and past tense.

Keep writing
GOOD LUCK