Experimental Design And Periodic Table Review Question Preview (ID: 39245)


Experimental Design And Periodic Table. TEACHERS: click here for quick copy question ID numbers.

If a scientist was testing to see what type of candy (Kit Kats, Hershey Bars, or Snickers) is the most popular. What is the dependent variable?
a) a) when you give them the candy
b) b) how much candy you give them
c) c) the type of candy
d) d) the people's opinions

You think that leaves turn color because of cold temperatures. You have made a
a) a) test
b) b) hypothesis
c) c) random guess
d) d) conclusion

What type of observation describes the amount of something and can easily be assigned a numeric value?
a) a) quantitative
b) b) inference
c) c) qualitative
d) d) numeritative

When solving the problem of a flat tire on a bicycle, which of the following would be an example of a hypothesis?
a) a) Inflate the tire to pressure of 16 kg/ cm^2
b) b) If the tire went flat then there must be a nail puncture.
c) c) There was no hole found in the tire.
d) d) The air leak is due to a faulty valve stem on the tube.

positively charged particles in an atom
a) Proton
b) Neutron
c) Electron
d) Nucleus

Negatively charged particles that spin around the nucleus
a) Proton
b) Neutron
c) Electron
d) Nucleus

What is the atomic number for Magnesium (Mg)?
a) a) 12
b) b) 24
c) c) 36
d) not given

How many protons are in lithium (Li)?
a) a) 4
b) b) 3
c) c) 7
d) d) 10

Is nitrogen a metal or nonmetal?
a) metal
b) non-metal
c) metalloide
d) none of them

How many electrons can go on the first electron shell
a) 2
b) 4
c) 6
d) 8

How many electrons can go on the second electron shell?
a) 2
b) 4
c) 6
d) 8

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