Scientific Notation
How is the number 0.0000034 written in scientific notation?
3.4 x 10^-6
What is the base unit of mass in the SI system?
kilogram (kg)
Which is bigger: deca (da) or deci (d)?
deca (da)
What term describes how close a measurement is to the true value?
Accuracy
This shows how accurate a measurement is. There are 5 rules to be followed.
Significant Figures
Convert 450,000 to scientific notation.
4.5 x 10^5
What is the base unit for length in the SI system?
meter (m)
Convert 5 kilometers to meters.
5000 meters
If the accepted value is 50 grams and the experimental value is 48 grams, what is the error?
-2 grams
How many significant figures are in the measurement 0.00456?
3
What is 2.5 x 10^4 in standard form?
25,000
What is the base unit for temperature in the SI system?
Kelvin (K)
What metric prefix represents 10^6?
mega (M)
If the accepted value of a temperature reading is 100 degrees Celsius, and the thermometer was read for multiple days, how would you interpret this data?
98C, 97C, 96C, 94C, 96C
Precise, but not accurate
How many significant figures does the number 300 have?
1
Write 3.6 x 10^-3 in standard form.
0.0036
What is the base unit for amount of something in the SI system?
mole (mol)
Convert 0.75 meters to centimeters.
75 cm
If a student measures 98.6°C but the accepted value is 100°C, what is the percent error?
1.4%
When can I round my significant figures?
At the end of your mathematical calculation - never before!
What is the scientific notation for 1,200,000?
1.2 x 10^6
What is the base unit for luminous intensity in the SI system?
candela (cd)
List three units that are a part of the U.S. Customary System that are not a part of the SI / Metric System.
miles, yards, feet, inches
pounds, ounces, pints, cups, gallons
fahrenheit
Why is it important to have both accuracy and precision in scientific measurements?
It is important to have both accuracy and precision in scientific measurements because accurate measurements ensure validity, while precise measurements ensure reliability of results.
When multiplying or dividing with significant figures, how do I determine how I am going to round? By decimal places or by digits?
By digits