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Scientific Notation
SI Units
Metric System
Accuracy, Precision, & Error
Significant Figures
100

How is the number 0.0000034 written in scientific notation?

3.4 x 10^-6

100

What is the base unit of mass in the SI system?

kilogram (kg)

100

Which is bigger: deca (da) or deci (d)?

deca (da)

100

What term describes how close a measurement is to the true value?

Accuracy

100

This shows how accurate a measurement is. There are 5 rules to be followed.

Significant Figures

200

Convert 450,000 to scientific notation.

4.5 x 10^5

200

What is the base unit for length in the SI system?

meter (m)

200

Convert 5 kilometers to meters.

5000 meters

200

If the accepted value is 50 grams and the experimental value is 48 grams, what is the error?

-2 grams

200

How many significant figures are in the measurement 0.00456?

3

300

What is 2.5 x 10^4 in standard form?

25,000

300

What is the base unit for temperature in the SI system?

Kelvin (K)

300

What metric prefix represents 10^6?

mega (M)

300

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

300

How many significant figures does the number 300 have?

1

400

Write 3.6 x 10^-3 in standard form.

0.0036

400

What is the base unit for amount of something in the SI system?

mole (mol)

400

Convert 0.75 meters to centimeters.

75 cm

400

If a student measures 98.6°C but the accepted value is 100°C, what is the percent error?

1.4%

400

When can I round my significant figures?

At the end of your mathematical calculation - never before!

500

What is the scientific notation for 1,200,000?

1.2 x 10^6

500

What is the base unit for luminous intensity in the SI system?

candela (cd)

500

List three units that are a part of the U.S. Customary System that are not a part of the SI / Metric System.

EXAMPLES:

miles, yards, feet, inches

pounds, ounces, pints, cups, gallons

fahrenheit

500

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.

500

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