1) Density is measured in kilograms per cubic meter.
2) Most materials have a higher density than water and sink in water.
3) The density of the material is very important, especially in aviation.
4) Young's modulus is the ratio of the applied force to the elastic deformation of a given material.
5) The more rigid the metal, the less it deforms under load.
6) when the metal is stretched, it first flows, that is, it is plastically deformed.
7) Lead, copper, aluminum and gold are the most malleable metals.
8) Creep resistance is a very important property of materials used in aircraft engines.
Объяснение:
1. We are meeting our granny at 10 a.m. Is there anything you'd like to do after that?
2. Will the members of the jury make their decisions by the end of the day?
3. Don't take many things with you. They have everything we need there.
4. Look! John fell down. He is crying now.
5. When does the shop open? I need to get some flour and sugar.
6. My sister had decided. She is going to study foreign languages at the university.
7. Steve is probably going to win the student's election. He's very popular.
8. The train arrives at 8:30 so we should be at home by ten.
Объяснение:
I think if there weren't any scientists, we would live like cavemen. There would not be any medicine or discoveries. Science is very important for people. I will broaden and develop my mind on a daily basis and I will never become bored of it because science is always full of mysteries and new things.
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