Curated OER
Modeling the Keeling Curve with Excel
In this modeling the Keeling Curve worksheet, learners use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon...
Curated OER
Wind Effects on Model Building: Pre-Lab for Truss Design and Testing
Emerging engineers perform pre-lab calculations in this first of a three-part lesson on model building. They determine the forces of tension and compression in a truss. After completion of the worksheet, pupils will draw a draft of their...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Bloodstain Pattern Simulations: A Physical Analysis
Students receive bloodstain pattern evidence from a crime scene. They answer a series of questions through inquiry, observation, measurement, and analysis. Pupils complete this challenge, by reconstructing the evidence through four...
Curated OER
Candy Chemosynthesis
Learners explain chemosynthesis and photosynthesis using candy. In this chemosynthesis instructional activity, students work cooperatively to create a visual explanation of the chemical equations of photosynthesis and chemosynthesis.
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
Going the Distance
Students experiment in small groups to answer the question, "Is there a relationship between ramps and speed?" They apply a formula to calculate the speed of the cars used in the experiment, complete the associate lab report, and...
Curated OER
Gravity: A Relatively Heavy Subject
Students examine planetary movement and its relation to the tide.In this gravity lesson students describe how and why the high and low tides change every day.
Curated OER
Graphing Data from the Chemistry Laboratory
Learners graph and analyze data using a spreadsheet.