Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
Curated OER
Fall 2004 Midterm Exam #2 - Electricity and Magnetism
Written for a college physics course, this midterm examination deals with electric and magnetic fields. When taking this test, learners answer multiple choice questions, solve problems, and analyze a variety of attractive diagrams....
Curated OER
Round Up or Round Off?
In this round up or round off worksheet, 8th graders write the correct number of significant figures. They round numbers written in scientific notation and standard notation as indicated. This two-page worksheet contains 28 problems.
Curated OER
Unit 0 Review - Measurement Lab Equipment
Review questions like these can be used in your biology, chemistry, physics, or earth science classes! They assess scientists' understanding of laboratory measurement tools including graduated cylinders, thermometers, and balances. They...
Curated OER
Estimating
In this estimating worksheet, students solve 6 different problems that include some form of estimation in each. First, they define estimate as a way to round their answers sensible and carry out the calculation by hand. Then, students...
Curated OER
Rounding
In this rounding worksheet, students solve 9 different problems that include various forms of rounding numbers. First, they round each number to the nearest whole number and then tenth place. Then, students write each number to 2 decimal...
Curated OER
Practice on Metric Conversions
In this science learning exercise, high schoolers use significant figures and illustrate all of their work for each problem. Then they use scientific notation for numbers larger than 10 to the 4th power and smaller than 10 to the...
University of California
University of Calilfornia: Significant Figures Ii
This site from the University of California provides a lengthy and intelligent discussion of sig figs, absolute and relative precision, accuracy, precision in calculations, rounding off, and the whole shooting match of how we report what...
Sophia Learning
Sophia: Multiplying With Significant Figures
View this tutorial which demonstrates how to determine the appropriate amount of significant digits in multiplication.
Sophia Learning
Sophia: Multiplying With Significant Figures
A short lesson describing how to determine the appropriate amount of significant figures when multiplying.
Sophia Learning
Sophia: Significant Figures Addition & Subtraction
A guided lesson explaining how to add and subtract numbers expressing the answer with the appropriate number of significant digits.
Sophia Learning
Sophia: Significant Figures the Basics
This learning activity helps explain what significant figures are, and why they are important to science.
Sophia Learning
Sophia: Adding With Significant Figures
A brief presentation helping the learner understand how many significant figures to use when adding numbers.
Frostburg State University
General Chemistry Online: Rules for Significant Digits
This site from General Chemistry Online provides a mnemonic device you may not have seen to help remember the rules for significant digits called the Atlantic-Pacific Method. Also includes a comparison between this rule and the...
Sophia Learning
Sophia: Density Calculations: Lesson 2
This lesson will demonstrate how to calculate density to the correct number of signficant figures using experimental measurements. It is 2 of 3 in the series titled "Density Calculations."
Sophia Learning
Sophia: Density Calculations: Lesson 3
This lesson will demonstrate how to calculate density to the correct number of signficant figures using experimental measurements. It is 3 of 3 in the series titled "Density Calculations."
Sophia Learning
Sophia: Significant Figures: Lesson 3
This lesson will explain what significant figures are and why they are important. It is 3 of 5 in the series titled "Significant Figures."
Sophia Learning
Sophia: Adding and Subtracting Using Significant Figures: Lesson 2
This lesson will demonstrate how to add/subtract measurements and report the result to the correct number of significant digits. It is 2 of 3 in the series titled "Adding and Subtracting Using Significant Figures."