Curated OER
Solar Kit Lesson # 12 - Calibration Curve for a Radiation Meter
Scientists need to have mastered algebraic slope-intercept concepts in order for this lesson to be effective. They will measure and graph solar panel output as a function of the amount of radiation striking it, discovering that there is...
Nuffield Foundation
Making a Calibration Curve for Starch Concentration
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
Curated OER
Generate a Calibration Curve for Chlorophyll a
Students measure and graph the absorbance of light by chlorophyll at a specific wavelength versus chlorophyll concentration. They are given an unknown and determine its concentration from their calibration curve. Students become familiar...
Curated OER
Iron in Foods
Students determine the amount of iron in a sample of cereal. In this iron lesson plan, students use a computer colorimeter to measure the amount of light absorbed by the solutions. They create a calibration curve using standard solutions...
Curated OER
Spectrophotometer Determination of an Equilibrium Constant
Students determine an equilibrium constant using a spectrophotometer. In this equilibrium lesson plan, students calibrate a spectrophotometer with 5 solutions in order to prepare the spectrophotometer for the experiment. Students measure...
Curated OER
Measuring Different Surfaces
Fourth graders investigate measurement of linear and curved surfaces. In this math lesson, 4th graders discuss how to measure curved surfaces and work with a partner to measure various curved surfaces.
Curated OER
Solar Kit Lesson #8 - Positioning Solar Panels II: Explorations with Stationary Panels
This lesson is preparation-intensive, but well worth the investment. You will construct five or six portable testing stations with which lab groups will gather data on the best position for collecting sunlight with a solar panel. This is...
Curated OER
Determination of Phosphorus Content in River Water
Divide your chemistry or environmental science class into two groups. Each group tests water samples from a river for the concentration of phosphorus using a different method. With chemists, you can use this activity as they learn to use...
National Nanotechnology Infrastructure Network
Synthesis and Characterization of CdSe Quantum Dots
Does the size of a sample change the physical properties of that substance? It turns out it can! Young scientists combine physics and chemistry to synthesize CdSe quantum dots and record their color properties. Learners should notice a...
Curated OER
Column Chromatography
Students research the mechanics of liquid chromatography. In this technology instructional activity, students calculate the concentration of unknown samples. They write a report about their research and lab results.
Curated OER
Determination of An Acid Dissociation
In this chemistry worksheet, learners examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Solar Kit Lesson #7 Positioning Solar Panels I: Explorations with Tracking
Learners track and record data on the Sun's position in the sky and on the output of a solar panel tracking the Sun. On a second day, students graph and analyze the data to identify relationships between (1) the time of day, (2) the...
Curated OER
Idaho Earthquakes
Students examine the types of earthquakes that occur in Idaho. In groups, they compare and contrast the types of energy released and how they affect the movement of the Earth. To end the lesson, they analyze a map showing the magnitudes...
Curated OER
The Perils of Drinking Water
Young scholars determine the presence of drugs in water. In this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.
Curated OER
Lesson 3-Explore/Explain Do You Hear What I Hear?
Students explore how loudness is measured. They identify the decibel scale and explain the amplitude of the sound wave.
Curated OER
Toilet Plunger Sundial
Students build a sundial to measure the local noon time. In this third grade science lesson, students build a sundial out of common materials and align to measure the local noon. This lesson is a hands-on tracking of the sun, and allows...