General Information
Identifying Sig. Figs
Calculating Sig. Figs
Measuring Sig. Figs
Grab Bag (Random Science Trivia)
100

Refers to the closeness of two or more measurements to each other

What is precision?

100

Start at the right and ignore the zeros until you reach a non-zero digit.  Count the digits to the left of the insignificant zeros.

What are numbers with no decimals?

100

The answer is written with the same number of decimal places as the least precise measurement in the calculation.

What is the process for rounding when adding or subtracting?

100

Because the last digit is estimated different people reading the same measurement may produce different results

What is measurement uncertainty?

100

The chart used to arrange the natural elements according to their atomic numbers.

What is the periodic table of elements?

200

Refers to the closeness of a measured value to a standard or known value

What is accuracy?

200

Identify the number of significant figures: 0.00000000001

What is 1 sig fig?

200

Complete the calculation and round to the correct number of significant figures: 2.3 + 4.566 + 52.

What is 59.?

200

All measurements have a degree of uncertainty.

True or False

What is true?

200

The layer of gases that surrounds and covers a planet, moon, or star?

What is an atmosphere?

300

The smallest unit of measure used for a particular measurement dictates the precision of that measuring tool

What is the precision unit?

300

Start at the left and ignore the zeros until you reach a non-zero digit. Count the digits to the right of the insignificant zeros.

What are numbers with decimal points?

300

The answer is written with the same number of significant figures as the number of significant figures in the least precise measurement.

What is rounding when multiplying or dividing?

300

State the numbers that I know are true, then add one additional digit that is estimated (or uncertain).

What is the process for rounding measurements to the correct number of significant figures?

300

The smallest blood vessels in the body that carry gases and nutrients to cells?

What are capillaries?

400

When scientists measure and record their measurement they state the numbers they know are true and then they estimate the last digit.

What is measurement uncertainty?

400

Identify the number of significant figures: 2.340981 x 105

What is 7?

400

Complete the calculation and round to the correct number of significant figures: 582 / 23

What is 25?

400

Identify the volume of water in this beaker.  State your answer with the correct number of significant figures.

What is 49 mL?

400

The scientist who discovered radium.

Who is Marie Curie?

500

When making a measurement, its accuracy must be preserved. This is achieved through the use of

What is significant figures?

500

•If the number represents a distinct counted number of things (examples: molecules, coffee cups, watches) and is not a measurement from a measuring device, all digits are significant.

What are exact numbers?

500

Complete the calculation and round to the correct number of significant figures: 29.3456 - 8.1 - 6.77

What is 14.5?

500

Identify the mass using the triple beam balance provided.  State your answer with the correct number of significant figures.

What is 545.20g?

500

The change in state (of matter) from a solid to a gas

What is sublimation?

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