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Try this list of famous inventions, and pick one you like:
http://inventors.about.com/od/astartinventions/a/FamousInvention.htm
Three topics you could cover might be:
1) How it was invented
2) Why it's useful
3) Disadvantages (like a cell phone going off at a movie or a wedding)
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What are 3 good things about fossil fuels and 3 bad things?
because it is good and bed
Science is a destroyer or creator?
science can be a destroyer and a creator. destructions creations 1) invention of nuclear bombs 1) mobile phones caused the destuction of 2 cities . 2)test tube babies. hiroshima and nagasaki. 3)cure for many diseases have been 2)pollution of the environment found out. 3)invention of the computers paved way for cyber crime. 4)man has become a dependent
How do you write 194 x 103 in scientific notation?
1.694 x 10^3
How could you use a mix number to write 11 feet as an equivalent measure in yards?
11 feet = 3 and 2/3 yards.
What are the parts of an experiment write-up?
The basic steps that are included in an experimental write-up :IntroductionPurposeHypothesisMethods and materialsData and resultsDiscussion and conclusionAppendices.
