Sorry but I don't know all of them.
I'm not sure about the ones i wrote either
1. The object will speed up
2. It will slow down/ or stop
Answer:
1) in some cases, the same weigh boat will be used by all students: This is True, but the weigh boat must be properly labelled with the compound that is intended to be weighed.
2) the empty weigh boat must be tared (set to zero) before adding material.: This is true because to get accurate weight, it is required to tare the empty weigh boat so as to get the weight of the material alone and not factor in the weight of the empty weigh boat.
3) a paper towel should not be used to transfer product out of a weigh boat: This is true because you want to ensure that no impurities is mistakenly added into the material that is being weighed.
4) the balances in the lab can be zeroed out with a weigh boat on the balance: This statement is true because there must be a counter weight to zero an already existing balances.
5) plastic weigh boats can prevent spillage when weighing liquids into a beaker: This is True because the plastic would help to ensure that the liquids is directly poured into the beaker without spillage.
Explanation:
Answer: FERRIS WHEEL
Explanation:
HISTORY: Before the word 'ferris wheel' came into existence, there has been several inventions similar to it for example, the 'pleasure wheel''.
Originally, Ferris wheel was designed and constructed by George Washington Gale Ferris Jr. in 1893 with a height of 264ft and it was intended to STAND THE 1,063FT EIFFEL TOWER. Eiffel tower was the centerpiece of the 1889 Paris Exposition.
Gale Ferris was a graduate of Rensselaer Polytechnic institute and a Pittsburgh, Pennsylvania.
He began his career in the railroad industry and then pursued an interest in bridge building. Ferris understood the growing need for structural steel and founded G.W.G. Ferris & Co. in Pittsburgh, a firm that tested and inspected metals for railroads and bridge builders.
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