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Curated OER
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....
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
The Absorption of Solar Energy
Two sequential parts to this instructional activity introduce your class to the electromagnetic spectrum, the ability to absorb radiant energy, and the pigments in leaves that are responsible for collecting sunlight to be used in the...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The instructional activity gives learners practice making salicylate solutions, using spectrophotometers, calculating...
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
Black and White Bottle Experiment
Students investigate solar energy and color. For this solar energy lesson, students assess the benefits of solar energy. Students discover that solar energy is attracted to darker colors and conduct an experiment using colored...
Curated OER
Obtain a visible spectra of chlorophyll a
Students become familiar with the concept of spectroscopy or the study of the interaction of matter with electromagnetic radiation. They prepare solutions and measure absorbance at different wavelengths. Pupils comprehend that mater and...
Curated OER
Learning Light's Properties
Students examine the properties of light and the behavior of light during interference. In this electromagnetics lesson students explain behaviors of light.
Curated OER
Spectrophotometry Lab
Students use a machine called a spectrophotometer to determine how much light is absorbed by certain substances. Students record the absorbance and the % of light transmitted for different color solutions, graph their results, and then...
Cornell University
Spectral Analysis with DVDs and CDs
Build a spectrometer to analyze properties of light. Scholars examine the spectrum from CDs and DVDs from two different light sources. Using the spectrum, they work to identify different elements.
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...
McGraw Hill
The Bohr Atom
Elements don't have fingers, but they have fingerprints! An interactive simulation gives young scientists the opportunity to study orbital changes of an atom and the corresponding spectrum reading. They realize how each atom has a...
Curated OER
Detection Detective
Young scholars describe what each detection method uses and rank the wavelengths of each if appropriate. They answer questions about absorption, importance of materials and explain differences. Students make sure they describe diagnostic...
NASA
Here Comes the Light!
Look beyond the light! An engaging activity introduces young scholars to the application of a spectroscope. The lesson is the fifth in a series of six and focuses on the analysis of the elements of the sun.
Curated OER
Modeling Drug Assimilation in the Human Body
Students investigate the accumulation of drugs in the body. In this algebra lesson, students collect data on drug retention and assimilation. They use their data to predict the behavior and effects of drugs.
Curated OER
Physical Principles in Living Systems
Seventh graders experiment with white light, plane mirrors, and curved mirrors in order to demonstrate the physical principles of living systems. In this physical principles lesson plan, 7th graders take 3 days to discover what happens...
Curated OER
Spectral Surprise
Learners create spectral colors. In this hands-on science lesson, students examine the electromagnetic spectrum as they follow steps to create a model that separates and displays light.
Curated OER
Demonstrating That Light is Dissipated as Chlorophyll a Fluoresces
Students examine the concepts of light and chlorophyll. They participate in an experiment in which the chlorophyll shows as a red ring on the test tube. They answer discussion questions to end the lesson.
Curated OER
Sea Ice Research
Students study sea ice and its importance in climate and climate change. They discuss sea ice as a presence of a food source for marine animals in the arctic and complete a lab activity. After completing the lab, they watch a video...