PHET
Forces in 1 Dimension
A realistic simulation uses charts to show forces, position, velocity, and acceleration versus time based on how the simulation is set up. Once those concepts are mastered, scholars use free body diagrams to explain how each graph...
PHET
Faraday's Law
Could a flux capacitor really work? An engaging simulation encourages scholars to investigate Faraday's law. They experiment with various speeds, magnitude, voltage, and different-sized coils. Hopefully experimenters will be able to...
Curated OER
Typical Numeric Questions for Physics I - Light and Optics
Nineteen word problems dealing with frequency, speed, reflection, and refraction of light are provided here. Empower your physics masters to manipulate equations for computing angles, focal lengths, image heights, and more! This is a...
Curated OER
Streetfilms' Moving Beyond the Automobile
This is an exceptional series that you can use in an environmental or engineering unit. There are four lessons: "Sustainable Transportation," "Designing for Safety," "Changing the Landscape," and "Engaging in Policy." Each lesson...
Curated OER
Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the instructional...
Curated OER
Safety Comes First
Here is a thorough lesson on safety in the chemistry lab. Chemists review a detailed list of safety rules, draw the layout of the laboratory area to include emergency equipment, identify hazard warnings, and consult the MSDS in order to...
Curated OER
Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
Curated OER
Hydrogen Peroxide Analysis
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
Curated OER
Aluminum Adventure
Chemistry aces use an electrochemical cell to anodize a strip of aluminum. They apply an organic dye to it. In a practical application, they design a piece of jewelry out of the anodized metal and describe the process. Thorough notes...
Curated OER
Programming the "Rinse Robot"
Experienced chemistry technicians use then layer chromatography to discover how much of a free compound is left after each rinse cycle. Where this could obviously be used as a practice with chromatography technique, it can also be used...
Curated OER
The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this instructional activity with...
Curated OER
Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
Curated OER
Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
Curated OER
Alcoholic Fermentation in Yeast
Biology classes will bubble with excitement as they complete this assignment. Beginning with an informative overview of cellular respiration and fermentation processes, the highlight comes as an experiment in determining the rate of...
Curated OER
Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
Curated OER
Dragon Genetics ~ Independent Assortment and Genetic Linkage
Imagine a pair of dragons that produce offspring. What percentage of the hatchlings have wings and large antlers? An engaging activity draws genetics learners in, introduces them to alleles, meiosis, phenotypes, genotypes, and...
Curated OER
2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
Curated OER
Fall 2005 Midterm Exam #1
You've got the power! With this physics midterm, you have the power to assess learners' grasp of electricity concepts. The exam is neatly formatted and provides a variety of question types: true or false, multiple choice, and problem...
Curated OER
Fall 2003 Midterm Exam #1
Electricity is the focus of this college-level midterm exam. It requres physics learners to answer multiple choice and short answer questions in addition to evaluating several diagrams and graphs. This is appropriate for most high school...
Curated OER
Terrestrial Ecosystem Response to Climate Change
An extensive investigation of the Earth's climate changes awaits your environmental science classes. This top-notch presentation begins by looking at the history of Earth's climate and then predicts the impact on each major terrestrial...
Curated OER
Groundwater Basics
Groundwater is an essential natural resource, not to mention a fascinating topic to study. Here is a series of twelve amazing lessons on the water source and how we use it in our daily lives. Concepts require higher math and physics...
Curated OER
Nutrient Cycling
AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...
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...