CK-12 Foundation
Energy Conservation Simulation
Does the amount of a roller coaster's energy change as it goes along the track? Scholars investigate when a roller coaster has potential and kinetic energy. They observe the changes as it goes up the initial hill follows it throughout...
Concord Consortium
Electric Potential Energy and Charge Intensity
Does the charge on a particle affect its energy? Scholars first explore how the strength of a charge affect the potential energy. They observe the change in the electric fields as this potential energy changes.
Biology in Motion
Urine Concentration in 3 Easy Steps
The color, density, and smell of urine all relate to kidney function. Pupils observe the kidney controlling the concentration of water through three different steps. It mentions how each function might change the appearance and scent of...
Curated OER
Variations in Living Things
Biology beginners observe traits in a collection of plant parts to realize the tremendous amount of genetic variation within a species. They consider rules of nature and discuss what would happen if they changed. They also examine data...
Curated OER
Winter Snow Globe
Young scholars create a miniature sculpture snow globe with a winter scene inside of it. As a class they discuss winter weather and the changes in nature they might observe during the winter season. Students then create a mini snow globe...
Curated OER
Factors Which Affect Corrosion
Students investigate the factors which affect corrosion. In this corrosion lesson plan, students experiment with 2 nails, copper wire and magnesium ribbon placed in a petri dish of agar solution, potassium ferricyanate and an indicator....
Lesson Snips
Who Killed the Flowers?
This could be really good, or it could be really bad! The crime to be solved is, "Who went pee in the flowerpot?" Given four imitation urine samples, young chemists or crime scene investigators perform pH, glucose, and turbidity...
Pingry School
The Gelation of Guar Gum with Borax
Some of kids' favorite toys are the products of science experiments. Scholars follow precise measurements to mix and create their own slime and Play-Doh. They observe the changing textures and the chemical reactions throughout the...
Pingry School
The Water Lab – Spreadsheet Simulation
More than 70 percent of people and 90 percent of businesses use spreadsheets regularly. While many courses overlook the important skill, the simple water lab focuses on entering spreadsheet data, formatting it, and printing plots based...
Curated OER
Build a Model Submarine
Learners form lab groups and work together to construct a submarine out of a soda bottle. Next, they observe its action in a tub of water as the inner pressure is changed. It is an engaging experiment. However, links to outside resources...
Curated OER
Is TV Stronger Than Ever, or Becoming Obsolete?
The New York Times offers of two articles and two summaries for learners to consider. They read each article and then post a blog response to each of the seven related questions. The topic of the articles asks the question; Is TV...
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Curated OER
Mississippi Trial, 1955: Anticipation Guide
As an introductory activity to Mississippi Trial, 1955, class members use color-coded dots to respond anonymously to a series of statements about prejudice and responsibility to their fellow-man that are posted about the room. The...
Chymist
Landfills and Recycling
Examine the nature of landfills through experimentation. Scholars build miniature landfills and monitor changes over a six-week period. Observations allow individuals to draw conclusions about the different types of trash and their...
CK-12 Foundation
Hot Air Balloon
How can people control a hot air balloon? The simple simulation allows scholars to adjust the payload mass, burner, and vent position on a hot air balloon and observe the changes in velocity and altitude over time. Challenge questions...
CK-12 Foundation
Astronaut Training Chamber
Most people realize they would weigh less if they were on the moon, but does it change how much weight you could lift if you were on the moon? Scholars adjust the mass of an object to be lifted and select between four different...
CK-12 Foundation
Heat Engine
How can heat power an engine? Scholars observe a heat engine working and control variables to determine the most efficient setup. They change the amount of heat input as well as the stroke length. Energy efficiency numbers prove the...
CK-12 Foundation
Flashlight
In a simple circuit, does electricity start instantly? A simulation encourages thinking about the flow of electrons at a microscopic level. Pupils control the voltage, resistance, and switch in order to observe the change in both ideal...
CK-12 Foundation
Galvanometer
In 1820, Hans Christian Orstead discovered the link between electricity and magnetism, which allows us to measure current and voltage. The simulation allows scholars to observe the inner workings of an ammeter and voltmeter as they...
Concord Consortium
Hydrogen Bonds: A Special Type of Attraction
How does hydrogen bonding explain ice crystals? An engaging interactive answers just that. Scholars explore how polar molecules interact and observe the changes as temperature fluctuates as well as the hydrogen bond attraction.
Beyond Benign
Exothermic and Endothermic Reactions
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
Nuffield Foundation 
Going up in Smoke
Don't let all your hard work go up in smoke. Pupils conduct an experiment to see the harmful effects of cigarette smoke. They observe how smoke changes the color of white wool and an indicator solution.  
Howard Hughes Medical Institute
Electrical Activity of Neurons
How do neurons that don't touch each other share information? Observe electrical activity traveling from neurons and learn what it takes to trigger action potential. A video discusses recent research manipulating neurons, how responses...
US Department of Energy
The Invisible Electromagnet: A Transparent Magnetic Field Viewer
Audio speakers, hard drives, credit cards, and even the earth use magnetic fields. While we observe the effect of magnetic fields, we can't actually see them. A viewer helps participants explore magnetic fields, some of the items that...