Scientific Investigations Review Quiz Question Preview (ID: 53556)


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Variable that is deliberately changed by the scientist
a) independent
b) dependent
c) constant control
d)

What color seeds do cardinals prefer? What should not be constant?
a) color of seed
b) size of seed
c) type of seed
d) type of bird

Which is a qualitative observation?
a) Chloroplasts are green in color.
b) Water freezes at 32 degrees F.
c) The troposphere ranges from 9-16 kilometers.
d) The water bottle held 500 mL of water.

A hypothesis is formed 
a) before you do the experiment.
b) after you do the experiment.
c) after you write the conclusion.
d) while you are doing the experiment.

Determine the independent variable used to test the following hypothesis.  If drying times of different paint brands are measured, then the Valspar paint will dry the fastest. 
a) drying time
b) amount of paint
c) brand of paint
d) surface to be painted.

Which of the following should NOT occur in a science lab setting?
a) Wear goggles.
b) Clean up your lab station.
c) Throw broken glass in the garbage can.
d) Only inhale things if told to by the teacher.

A triple beam balance is used to measure
a) temperature
b) mass
c) volume
d) length

The problem is to determine which is more effective in eliminating germs from hands?  What would be the best hypothesis?
a) number of germs
b) If soap and water are used, then there will be less germs.
c) I think hand sanitizer is the best.
d) Water

The group in a scientific experiment that is separated from the rest of the experiment, where the independent variable being tested cannot influence the results is the
a) constant
b) control group
c) independent variable
d) dependent variable.

The fifth step in scientific investigation is...
a) Observe and Record
b) Identify the problem
c) Make a hypothesis
d) Research the problem

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