Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This activity has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...
Curated OER
Measuring for Chemistry: Moles, Compounds, and Conversions
Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...
Curated OER
Atomic Absorption Determination of Zinc and Copper in a Multivitamin
Advanced lab apprentices prepare zinc and copper solutions to which they will compare the same minerals from a multivitamin. Using absorption spectroscopy, they analyze the contents of the multivitamin for concentration. This lab can be...
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
Molarity Labs I & II $ III
In this molarity lab instructional activity, students write down the process they took to determine the molarity of a given sample of a solution of salt. They also make two particular molar solutions in the lab and show their...
Curated OER
Measurements and Their Uncertainty
In this measurements worksheet, students fill in 10 blanks, determine if statements are true or false, match 6 terms with the appropriate definitions, and solve 2 problems. Topics include converting to scientific notation, identifying...
Curated OER
What Can We Measure About Chemicals?
In this measurement worksheet, students read about accuracy of measurements as compared to the precision of measurements. Students answer four precision problems and solve four accuracy problems.
Curated OER
What Can We Measure About Chemicals?
In this measuring chemicals activity, students investigate measurements of an aluminum slab including the length, width, height, mass, volume and density. They do the same for a piece of aluminum foil and they compare their results....