
Lab Safety and Measurement Quiz
Authored by Joel Rodriguez
Special Education
9th Grade

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct definition of "accuracy" in scientific measurement?
The ability to get the same result every time
How close a measurement is to the true value
The smallest unit an instrument can measure
The number of decimal places in a measurement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic unit of length in the metric system?
Inch
Meter
Foot
Yard
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which piece of equipment is used to measure the volume of a liquid most accurately in a laboratory?
Beaker
Graduated cylinder
Test tube
Petri dish
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do first if a chemical spills on your skin during a lab?
Wipe it off with a paper towel
Rinse immediately with plenty of water
Tell a friend
Ignore it
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best defines "precision" in scientific measurement?
How close a measurement is to the true value
The ability to get the same result repeatedly
The largest value measured
The number of significant figures
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to convert 2.5 kilometers to meters?
Multiply by 10
Multiply by 100
Multiply by 1,000
Divide by 1,000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which laboratory equipment is best for heating substances?
Bunsen burner
Balance
Pipette
Thermometer
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