PHET
Gas Properties
We can't see most gases and we can't see things at the molecular level — but that's about to change! A simulation shows pupils the activity of molecules in a gas. The simulation allows scholars to vary the volume, heat, and...
Concord Consortium
Concentrating Charge and Electric Fields
How did Rutherford determine that the nucleus was the center of an atom? Take a look inside the famous Gold Foil Experiment with an interesting interactive. Learners fire a beam of alpha particles at a nucleus containing variable...
Royal Society of Chemistry
Periodic Table 2
While the periodic table looks complex, it is really arranged by only two variables, atomic number and electron configuration. The set of four puzzles focuses on groups 3, 4, 5, and 6 or 13, 14, 15, and 16, depending on your periodic...
Discovery Education
3D Printing Robots
What is water worth to you? The answer probably depends on many different variables. Learners explore the value of water in space and what it takes to transport the resource to locations in a galaxy far far away. They then consider...
Las Cumbres Observatory
Star In a Box
Stars may all look the same from down here, but their surfaces tell a different story. Using an animation, learners collect data about the temperature and luminosity of stars and compare them to their mass and radius. They then answer...
Curated OER
Eutrophication
Students observe the effects of eutrophication and determine why it is harmful to aquatic ecosystems. They create mason jar ecosystems to observe the growth of algae in pond water. In addition, they observe the effect of introducing...
Pingry School
Determination of the Percent Hydration and the Simplest Formula of a Hydrate
Does the crystal structure of a hydrated solid determine the proportion of water absorbed, or does the application of heat change the absorption? Scholars experiment with both variables to determine the answer. They add their collected...
Bowels Physics
Impulse and Momentum
Be impulsive with your high school physics class. Emerging physicists review the slide presentation and learn about impulse, momentum, collisions, and how each variable may be affected. They complete practice problems and conclude with a...
PHET
Geometric Optics
What would happen if your entire world was flipped upside down? In addition to changing the distance and size of an object, lenses flip the image upside down. The simulation allows scholars to vary the object, move the object, move the...
CK-12 Foundation
Bow and Arrow
Where does the energy of an arrow come from? Is it from the person, the bow, or somewhere else? A simulation allows scholars to adjust the stretch distance and the elastic constant in order to understand where the energy comes from, what...
CK-12 Foundation
Sprinter
Why do sprinters wear spiked shoes? Scholars explore various styles of shoes and how they handle forces when running. Scholars adjust variables including shoe type, horizontal force, surface type, and normal force to determine which...
CK-12 Foundation
Ramp and Piano
Can you lift a piano into a truck? Simulation allows scholars to explore the relationship between force, ramp length, and weight. Pupils control the variables of truck bed height, ramp length, weight of piano, and the number of friends...
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
Power Lines
How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...
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...
CK-12 Foundation
Electric Motor
How does a direct current run a motor? Pupils control five variables in an electric motor and observe how the force diagram changes. The force, magnetic field, and current vary based on the changes in the design of the magnet and...
CK-12 Foundation
Particle Tracks
Did you know physicists can identify new particles by observing the path they take in a particle accelerator? Scholars explore the variables that determine the direction and radius of the circular path different particles take. They...
CK-12 Foundation
Electric Ice Sheet
Tommy is trapped on an ice bridge and needs you to balance the charges so he doesn't fall into the icy water! Scholars apply Coulomb's Law, which relates to both the strength and the distance between charges. They work with these two...
PBS
Regional Patterns of Climate: Pacific Northwest
Climate systems involve sunlight, ocean, atmosphere, ice, land forms, and many other factors. Scholars explore each of these variables related to the Pacific Northwest rain forest. They use an online interactive to investigate the polar...
Howard Hughes Medical Institute
EarthViewer Climate Guide Activity
What did Earth look like 4.5 billion years ago, and what was the climate like then? Scholars explore a view of Earth throughout history. They observe continents moving, temperatures fluctuating, and huge changes in ecosystems. A...
Curated OER
Experimental Design Reference
In this experimental design worksheet, students are given a full comprehensive outline for designing an experiment. There are checklists included for each section of the experiment for students to use as a guide for properly completing...
Curated OER
Making Connections-Review Experimental Design and Homeostasis
For this experimental design and homeostasis worksheet, students complete 20 sentences with key terms about designing experiments, gathering data, graphing data and determining controls. They also complete sentences about homeostasis and...
Curated OER
Ketchup Lab
For this ketchup worksheet, students investigate the thickness of different types of ketchup. They hypothesize, identify their independent and dependent variables, test their hypothesis and write conclusions based on their data.
Curated OER
Experiment Report
In this experimental design worksheet, students fill out their title, hypothesis, independent and dependent variables, data table, graph and conclusion for their lab.
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