Badminton

Badminton is an easy sport. It is so easy that you just need two players, two rackets, one shuttlecock, a net, and a regular court then you can play. The rules of this sport are also very easy. First, you must hit the shutllecock over the net, but do not hit it out of bounds. Whatever you do, just hit the shuttlecock over. Second, you can't hit the shuttlecock twice in a row with out your opponent hitting it first. Hitting twice or more will be a foul and you lose a point. Third, your racket can't touch the net. That will also cause you to lose a point, too. Last, you mustn't fight if you lose the game. By observing the four rules, you can enjoy your exercise, and the rules are really easy.

Badminton

Badminton is a easy sport. It is so easy that you just need two players, two rackets, one ball, a net, and a regular court and you can play. The rules of this sport are also very easy. First, you must hit the ball over the net, but do not hit it out of court. Whatever you do, just hit the ball over. Second, you can't hit the ball twice without your opponent's hitting. Hitting twice or more will be foul and lose a point. Third, your racket can't touch the net. That will lose a point, too. Last, you mustn't fight if you lose the game. By observing the four rules, you can enjoy your exercise, and the rules are really easy.

The Best Kind of Job

Being a chemist is the best kind of job. As all people know, chemists mix matter together and create new matter. The matter they make sometimes create great convenience and sometimes create great damage. Being a chemist is very risky. When they mix matter together, there is the possibility of explosion. However, chemists must not be afraid. They bet their lives on creating new matter. From there points, we can all accept that being a chemist is the best kind of job.

The Best Kind of Job

I think being a chemist is the best kind of job. Like every body known, chemists mix things together and create new things. The things they made sometimes birng us great convenience and sometimes bring damage. Being a chemist is also risky. When they mix things together, it might explodes. However, the chemists are not afriad. They bet their lives to create new things. Because of those points, chemist is the best kind of job.

Youngscar Award I

Uranium

Uranium is a valuable chemical element. Its isotope, U-235, has great energy. During the nuclear fission reaction, it releases great energy. The energy that a kilo of uranium can make is more than thirty compartment's coal. In addition, the uranium pollutes the environment less than burning fuel. Due to this, uranium is the best fuel to make electricity. In the USA, 20 percent of electricity is made by nublear power. Uranium is also used in the production of nuclear weapons. The famous nuclear weapon, the atom bomb, destroyed two cities terribly.Unfortunately, nuclear power produces lots of waste material, too. The waste material is radioactive. They can tribute to the pollution of the earth. Plus, refining U-235 from uranium is hard and expensive. Although uranium these defect, it is still very valuable.

Uranium

Uranium is a valuable chemical element. Why causes it so valuable? Its isotope, U-235, has great energy. During the nuclear fission reaction, it releases great energy. The energy that a kilo of uranium can make is more than thirty carriages of coal. In addition, uranium polutes the environment less than burning fuel. Because of those resault, uranium can be the best fuel to make electricity. In the USA, 20 percent of electricity is made by nuclear power. Uranium can also produces nuclear weapons. The famous nuclear weapon, atom bomb, have destroyed the city terribly. Unfortunately, nuclear power produces lots of waste materials, too. The waste materials are radioactive. They make great polution to earth. Plus, refining U-235 from uranium is hard and expensive. Above the synthesis, the uranium is still very valuable.