US Department of Energy
Electromagnet Experiment Stand: A Variable Power Electromagnet
Electromagnets come in both large and small scales—from big machinery in scrap yards to hard disk drives. Here's a resource that provides directions for building a variable electromagnet on a stand. Scholars then experiment with the...
US Department of Energy
Magnets on a Stick: A Magnetic Force Demonstration Device
Why do some magnets attract while others repel? Scholars use clearly labeled permanent magnets to explore the attractive question. They compare the behavior of like versus opposite poles to find the answer.
National Nanotechnology Infrastructure Network
Gelatin Microfluidics
Micro what? Analyze microfluidics as an application in the medical community. A lab investigation highlights the importance of channel design in biotechnology. Learners modify channels and observe the behavior of the flow of the fluids.
National Nanotechnology Infrastructure Network
Coffee Break with Nanoscience: Film Formation and “Coffee Rings”
Prepare scholars for micro and nanoscale investigations. A lab activity allows individuals to practice their experimental techniques while becoming to accustomed to the smaller scale of the materials. They also make decisions about the...
National Nanotechnology Infrastructure Network
The Blood Glucose Monitor
Become a doctor for a day! Learners analyze synthetic urine and blood samples to diagnose diabetes. They use lab procedures to identify abnormal glucose levels, and, as a follow-up activity, they build a model to illustrate the...
US Department of Energy
Go Far Cars Ramp: A Basic Ramp with Four Height Settings
Precise measurements make the job easier! One of the challenges when using an inclined plane for testing comes from pupils not using exact measurements. They often rely on books that slide or different ramp lengths when experimenting. By...
US Department of Energy
Get Connected!—An Electrical Conductivity Tester
Pupils test various materials to learn if the materials are conductors or insulators. They observe a small electric charge go through, or not go through, a material to light up a small bulb.
US Department of Energy
Electric Avenue: Parallel and Series Circuits
Can you infer the wiring diagram of a series of lights based on their behavior alone? Scholars work with multiple boxes of four lights. They must flip the switch and decide how the lights are wired. By applying their knowledge of...
US Department of Energy
The Ring Fling Machine
Class members build a machine to demonstrate Lenz's law and help this scientific principle come to life. After building a ring fling machine, instructions for properly operating the machine and a few thought-provoking questions lead to...
National Nanotechnology Infrastructure Network
Save the Dinosaurs with Copper and Zinc!
Create a coat of armor for dinosaur volunteers. Young scientists explore the oxidation-reduction reaction facilitated by electric current. The result of the reaction is a dinosaur coated in copper and zinc, which leads to an...
National Nanotechnology Infrastructure Network
Understanding Wave Motion - Slinky vs. Snaky: Which Spring is Dominant?
Ride the wave to an understanding of refraction! The first in a series of two inquiry-based lessons challenges learners to create transverse waves with two different types of springs. As their wave hits an object, they observe the change...
National Nanotechnology Infrastructure Network
How Can Nanoparticles Move from Land to Ocean?
Investigate the migration of the nanoparticle from land to water! A lab investigation asks budding scientists to simulate runoff. Testing water samples before and after the simulation leads individuals to make conclusions about pollution...
National Nanotechnology Infrastructure Network
Jell-O® Waveguide and Power Loss
Jell-O® can help model the transmission of light through fiber optic cables. Young scientists use the jiggly dessert to make a waveguide to transmit a laser beam from one point to another. Their models help them learn the function of...
Nuffield Foundation
Making Up Nutrient Agars
A resource rich in information—and nutrients. Learners create agars for the purpose of cell cultivation in Petri dishes. The lesson provides instructions on how to create agars for the cultivation of different microorganisms.
National Nanotechnology Infrastructure Network
Nanotechnology Invention and Design: Phase Changes, Energy, and Crystals
What does it take to be considered a smart material? Learners investigate the properties of Nitinol, a smart material, through a hands-on lab activity. They examine the crystal lattice structure and the conditions required for Nitinol to...
National Nanotechnology Infrastructure Network
Synthesis and Characterization of CdSe Quantum Dots
Does the size of a sample change the physical properties of that substance? It turns out it can! Young scientists combine physics and chemistry to synthesize CdSe quantum dots and record their color properties. Learners should notice a...
National Nanotechnology Infrastructure Network
Making a Liquid Crystal Thermometer
Introduce your classes to a fourth state of matter! Liquid crystals have a colorful sheen that changes based on different physical factors. Learners use this information to create a liquid crystal thermometer where the color of the...
National Nanotechnology Infrastructure Network
Small Scale Stenciling: Mask Lab
Investigate the procedure for developing computer chips! Learners use solar print paper to create both positive and negative images. They observe the effects of single and multiple exposures and compare results.
National Nanotechnology Infrastructure Network
Small Scale Sculpting: Etch Lab
Make works of art using a vintage yet effective etching strategy. The surface of a semiconductor chip has specific patterns formed through a process called etching. Through a lab investigation, young scholars recreate that process on a...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Nuffield Foundation
Microscale Investigations of Catalase Activity in Plant Extracts
Use indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...
Nuffield Foundation
Investigating the Effect of Temperature on the Activity of Lipase
How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...
Nuffield Foundation
Investigating the Effect of Concentration of Blackcurrant Squash on Osmosis in Chipped Potatoes
Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...
Nuffield Foundation
Observing Osmosis, Plasmolysis, and Turgor in Plant Cells
Create the perfect conditions for osmosis. Young scholars use a microscope to observe plant cells exposed to distilled water or sodium chloride. They observe how osmosis creates turgid or plasmolyzed cells.