Rube Goldberg Project

Explanation

a) The phone rings and make the ball roll

b) the pokers go down and hit the cup

c) the cup moves and push the battery

d) the battery got push and make the pulley put the eraser down

e) the eraser pass the energy through the blue cup and click the mouse and play the audio.

Sound energy a) e)

Mechanical energy b) c)

Gravitational energy a) d)

Chemical energy  d)

Electrical energy a) e)

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Cloning (biotechnology)

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There are two branches of cloning: molecular and organism cloning. Molecular cloning replicate DNA molecular in host organism. It usually uses to modify an organism. Organism cloning can replicate the whole organism. Dolly the sheet is the best example of organism cloning. Cloning is best used in medicine or reproducing a deceased pet. Scientists can clone the mice or animals they need to save the time to breed the same trait organisms. On December 22, 2001, a first clone cat named CC was created. It’s the clone cat of the original cat called rainbow. In the future, the biotechnology will be a important part in our life. Molecular or organism cloning can be a important part of the biotechnology because it can accelerate the produce speed of medicine or chemical stuff.

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Paper airplanes project

We as a group hypothesis that when the paper clips are inserted in the back of the wings can flying farther because the weight being back of the wing give the momentum to the thrust and that will make the paper plane fly farther. We makes three kind of planes: the paper clips insert in the front, middle, and back. We recond each planes for five times. In the data, the paper clips insert in the middle is the farther and the back is the nearest. In conclusion, the hypothesis, the paper clips are inserted in the back of the wings can flying farther is rejected. The data shows the plane inserted the paper clips in the middle of the wings could fly further.