Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and ranges of...
Curated OER
#17 Determining the Accuracy of Selected Laboratory Glassware
Students calculate the volume of a specific mass of water placed in selected pieces of common laboratory glassware, using the density formula. They then determine the accuracy of the volumetric measurement for selected pieces of...
Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This worksheet 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
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...
Santa Monica College
Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
Curated OER
An Introduction to GPS
GPS is a technological tool that has become available for use by the general public. Navigate the components and science involved in this remote sensing system. Here is a comprehensive collection of slides that would be valuable to share...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
NOAA
Into the Deep
Take young scientists into the depths of the world's ocean with the second activity of this three-part earth science series. After first drawing pictures representing how they imagine the bottom of the ocean to appear, young scholars...
American Physiological Society
An Inquiry into Alcoholic Fermentation
Introduce life science high schoolers to their new "best buds" yeast! Using a wide variety of materials, lab groups design an experiment that illustrates how yeast acquires the resources it needs to undergo cellular respiration. The...
American Physiological Society
Why is Kettle Corn Cooked in Copper Pots?
The kitchen — it's not just for eating anymore! Specific heat is often a difficult concept to grasp, so give it context by relating it to cooking. Learners gain experience in the principles of thermal energy transfer by designing an...
Normal Community High School
Scientific Measurement
Pupils learn everything from how to take scientific measurements, to accuracy/precision, to density and a plethora of topics from a presentation on the metric system.
Curated OER
Galaxy Hunter - A Cosmic Photo Safari
Space science stars journey through our night sky and take virtual photos of galaxies to investigate simple random samples. Higher math is used to analyze the data collected. Copy the evaluation/assessment questions onto a handout for...
Pingry School
Determination of the Percent Hydration and the Simplest Formula of a Hydrate
Does the crystal structure of a hydrated solid determine the proportion of water absorbed, or does the application of heat change the absorption? Scholars experiment with both variables to determine the answer. They add their collected...
Curated OER
Practical GPS Applications in Forestry & Agriculture
An explanation of the Global Positioning System (GPS) and the Geographic Information System (GIS) is given in this presentation. Uses and applications are considered. How it works and sources of error are also touched upon. A large...
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.
Cornell University
Catapult
Studying levers couldn't be more exciting! Learners build their own catapults and test the results as they make adjustments to the fulcrum. They compete against other groups to create the most accurate apparatus.
American Physiological Society
It’s the Heart of the Matter
Get the class jumping for joy with a fascinating look at matters of the heart. Learners perform physical tasks, collect and analyze heart rate data, and study conditions that affect heart health. Use the action-packed lesson plan to...
Institute of Electrical and Electronics Engineers
Cracking the Code
Some interesting reading on the history of barcodes opens this technology lesson plan. Readers find out how engineers contribute, and then they gather into groups to discuss possible improvements to our current UPC barcode system. Know...
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
Computer Accuracy
Students work together on computers to practice measuring for navigation. They discover that errors in their calculations can lead them in the wrong direction. They examine the need of computers by engineers.
Curated OER
What Can We Measure about Chemicals?
In this measuring chemicals worksheet, students determine the accuracy and precision of measurements and distinguish between the two. They find the percent composition of compounds, the molar mass of compounds and the volume of gases at...
Curated OER
What Can We Measure About Chemicals?
In this measuring chemicals worksheet, learners 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....
Curated OER
You're the Scientist
Students explore ways to assess the accuracy and reliability of data reported by Journey North observers.
Curated OER
Scientific Data: It's Not as Pretty as It Looks!
The difference between accuracy and precision is fundamental for high school science learners. Using test kits for nitrate concentration in water, they compare readings with each other. They consider the accuracy, precision, and bias of...