Texas Instruments
Texas Instruments: Enzyme Action: Testing Catalase Activity
Students can use an O2 Gas Sensor to measure the amount of O2 produced when H2O2 is broken down by the enzyme catalase at different concentrations, pH values, and temperatures. They will also measure the enzyme's initial reaction rates.
Science Education Resource Center at Carleton College
Serc: Investigating P H of Common Household Substances
Students investigate the pH level of household substances by testing a variety of common compounds. Substances are tested with pH strips and placed on the continuum of the pH scale range of 1 to 14. After testing a solution, the student...
American Chemical Society
Middle School Chemistry: P H and Color Change
Students see a demonstration of a color change using universal pH indicator and then change the concentrations of an acid and a base using a universal indicator to test the pH of the resulting solutions. Through an animation, they see...
Khan Academy
Khan Academy: The Role of the Bicarbonate Buffer System in Regulating Blood P H
This five-question quiz relating to the role of the bicarbonate buffer system in regulating blood pH.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game
Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half-life work to enable radiometric dating. Play a game that tests your ability to match the percentage of the dating element that...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: University of Colorado: Build and Atom
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test how the ideas work!
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game
Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating. Play a game that tests your ability to match the percentage of the dating element that...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Proportion Playground
An interactive simulation that teaches about ratios, proportional reasoning, and unit rate by making predictions and testing proportions while designing a necklace, throwing balloons filled with paint, playing billiards, or shopping for...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balancing Chemical Equations
How does one know if a chemical equation is balanced? What can be changed to balance an equation? Play a game to test ideas!
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Build an Atom
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Reactants, Products, Leftovers
Explore the analogy of sandwich making with several ingredients and see if anything is left over. Then do the same thing with reactants in a chemical reaction, to see how many different products can be made. Afterwards, play a game with...
Other
Ed Hume Seeds: Testing Your Soil
Conduct a soil test to find out what nutrients your soil is lacking. This site gives directions on how to gather a soil sample and what nutrients you should test for to get the best soil.
BBC
Bbc: Gcse Bitesize: Acids, Alkalis and Salts Aqa
This lesson focuses on acids and alkalis including acidic and alkaline solutions, neutral solutions, indicators and the pH scale, the colors for litmus paper, and a link to a test.
Utah Education Network
Uen: Soil P H
Students will test soils they bring from their neighborhoods for pH.
US Geological Survey
Usgs: Common Water Measurements
This site from the U.S. Geological Survey provides great definitions of seven measurements that can be taken on water. Includes pH, dissolved oxygen, and turbidity. Click Home to access the site in Spanish.
Alabama Learning Exchange
Alex: Surface Water Testing
In this environmental science lab you will chemically test a nearby creek or pond for dissolved oxygen, pH, alkalinity, hardness and turbidity. This is a field test and will determine the water quality of standing body of water. The lab...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ph Et: Interactive Simulations: Plate Tectonics
Students studying plate tectonics will better understand its concepts with this virtual experiment that tests how plates move on the surface of the earth. Temperature, composition, and thickness of plates can be changed to create new...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balloons & Buoyancy
Students studying buoyancy will better understand its concepts with this virtual experiment using various balloons and testing what makes them float or sink.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radio Waves & Electromagnetic Fields
Manually or computer generated, students can test radio waves being transmitted from a virtual radio station to a home. Study the curve, vectors, electric field, and more.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Shapes: Basics
Students studying molecule shapes will better understand its concepts with this virtual experiment that tests how a molecule's shape changes due to repulsions between atoms. Learning is further enhanced by building molecules in 3D.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Under Pressure
Students studying pressure will better understand its concepts with this virtual experiment that tests how pressure changes in air and water as the fluids, gravity, container shape, and volume changes.
Science Buddies
Science Buddies: Cabbage Chemistry
This experiment is for all the kids out there who love boiled cabbage. Even if you don't like cabbage, perhaps you will like this amazing color-changing liquid you can make with cabbage. You'll learn which solutions around your house can...
Other
What Is a Soil Test?
The North Carolina Department of Agriculture explains soil testing, taking a soil sample, and analyzing the results.
Science Education Resource Center at Carleton College
Serc: Investigating the Water Quality of the Root River in Lanesboro, Mn
This field investigation will be in collaboration with Eagle Bluff Environmental Learning Center in Lanesboro, MN link to Eagle Bluff. It will include chemical, biological, and physical tests. The chemical tests will include kits where...