Science Teas 7 Study Questions For
Scientific Reasoning Questions And
Answers With Verified Solutions 100%
Correct!!!
Which tool is best suited to measure the length of a bedroom?
Ruler
Tape measure
Calipers
Surveyor's wheel - ANSWER✔✔ Tape measure
A chemist needs to add 5 µL of a reagent to a reaction solution. Which of the
following is the best tool to accomplish this?
A 1-mL pipette
A micropipette
A volumetric pipette
A volumetric flask - ANSWER✔✔ A micropipette
Which would be the approximate mass of a car?
180 kg
1,800 kg
180,000 kg
,18 kg - ANSWER✔✔ 1,800 kg
Which of the following would an electron microscope be used to measure?
20-nm polymer films
Aquatic samples
The strength of chemical bonds
Insect samples - ANSWER✔✔ 20-nm polymer films
Correctly order the following prefixes from smallest to largest: milli, kilo, deci,
micro, nano.
deci, micro, nano, milli, kilo
nano, micro, milli, deci, kilo
nano, milli, kilo, deci, micro
SI Units are the standard measurement system in science.
There are 8 SI base units.
SI Units are derived from the Imperial System.
The SI base units can be broken down into other units. - ANSWER✔✔ SI Units are
the standard measurement system in science.
, A chemist was performing a spectroscopy experiment on a fluorescent dye to
examine the influence of concentration on absorbance. To accomplish this, the
chemist created a stock solution of a certain concentration of dye using 10 mL of
water (H2O). Then, a serial dilution was performed by taking 1 mL of the stock
solution and diluting it with 9 mL of water for a total solution volume of 10 mL. 1
mL was taken from Solution 2 and diluted with 9 mL water to create Solution 3.
The serial dilution was performed through Solution 5, as shown in the diagram
below. If the dye concentration in Solution 5 was 0.5 g/mL, what was the
concentration of the dye in Solution 2?
500 g/mL
50 g/mL
5 gmL
5,000 g/mL - ANSWER✔✔ 500 g/mL
When going to the grocery store, you need to purchase some vegetables, which
are sold by weight. Which of the following units would the weight of the
vegetables be expressed in?
Coulombs
Kilograms
Pascals
Newtons - ANSWER✔✔ Kilograms
Which of the following is not an SI base unit?
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