Using Spectrophotometers to Examine Photosynthetic Rates
Students examine how photosynthetic rates can change by using different qualities of light. They practice using spectrophotometer and the scientific method to detect the absorbance values in light treatments.
5 Views 15 Downloads
Heart Rate and Exercise
What is the relationship among the heart, circulation, and exercise? Your class members will explore first-hand how different physical exercises affect an individual's heart rate. They will begin by learning how to measure their own...
3rd - 10th Physical Education CCSS: Adaptable
Using the Spectrophotometer to Analyze a Mixture
General chemistry classes practice spectroscopy. They grasp the relationships between wavelength, absorbance, and solution concentration. Additionally, they gain valuable practice using laboratory equipment such as burets and pipettes....
9th - 12th Science
The Tide is High, but I’m Holding On… Using ICESat Data to Investigate Sea Level Rise
Based on the rate of melting observed from 2003-2007 in Greenland, it would take less than 10 minutes to fill the Dallas Cowboys' Stadium. The 17th instructional activity in a series of 21 has scholars use the ICESat data to understand...
9th - 12th Science CCSS: Adaptable
Using Math to Analyze Data
No one wants to be average, so mathematicians use the term mean instead of average. The video explains how to calculate the mean, how to calculate the percent error, and why this information is important. Finally, the video considers the...
4 mins 9th - 12th Math CCSS: Adaptable
Factors Affecting Reaction Rates
You can speed up or slow down a reaction when you know these factors. Learners explore the factors affecting reaction rates such as catalysts and inhibitors, temperature, surface area, and concentration. The video provides examples for...
2 mins 9th - 12th Science CCSS: Adaptable