Teach Engineering
Maximum Mentos Fountain
A messy fountain is potentially an energy experiment in disguise. Groups investigate the variables in creating a fountain from soda and Mentos. The last activity in a six-part series on energy has the class observe the fountain in terms...
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Substances that decompose with the help of living organisms do so at different rates. Scholars experiment with Winogradsky columns to determine the rate of decomposition, the oxygen and sulfide content changes, and bacteria levels. The...
Howard Hughes Medical Institute
Beaks as Tools: Selective Advantage in Changing Environments
How does nature select some adaptations over others? Scholars experiment picking up seeds with two different types of tools simulating beaks. After practicing, they experience a drought where one type of seed suddenly isn't available....
University of Wisconsin
Infiltration Test: Exploring the Flow of Water Through Soils
Soil scientists gain experience with an infiltrometer can to determine the infiltration rates at different locations on campus. If you are using the entire unit, the class has already analyzed water flow and soil types, so they should...
Teach Engineering
Bridging to Polymers: Thermoset Lab
Investigate thermoset polymers through experimentation. In an effort to determine the strongest, most flexible mixture, groups conduct an experiment on different-ratio epoxy-amine polymers to finish the set of two lessons.
Teach Engineering
Ice, Ice, PV!
Knowing the temperature coefficient allows for the calculation of voltage output at any temperature. Groups conduct an experiment to determine the effects of temperature on the power output of a solar panel. The teams alter the...
Foundation for Water & Energy Education
How Can Work Be Done with Water Power? Activity A
Environmentally friendly engineering teams construct a water wheel and experiment with its speed and the resulting amount of weight it can lift. Consider following this activity with two more of the same title by the same publisher when...
Serendip
UV, Mutations, and DNA Repair
How effective are cells at repairing UV damage? An inquiry-based lesson has learners experiment with organism by exposing them to various levels of UV light and then examining their DNA after a period of time. Pupils test different...
National Nanotechnology Infrastructure Network
Hiding Behind the Mask
Microchips are a man-made wonder. Investigate the manufacturing wonder with a hands-on inquiry-based lesson. Scholars simulate the process of pattern transfer using photoresist. Their conclusion identifies how their process replicates...
Teach Engineering
Sliders (for High School)
Slip sliding away. Groups investigates the two types of friction by running an experiment that allows them to calculate the coefficient of static friction and the coefficient of kinetic friction. The experiment uses a box, a basket, and...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
National Nanotechnology Infrastructure Network
Lab 2: Nanocatalysts Clean Your Car Emissions
Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...
National Nanotechnology Infrastructure Network
Lab On A Slab
Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...
Teach Engineering
Microbes Know How to Work!
Scholars harness the power of microbes with an engaging activity that uses yeast to break down sugar in water. Multiple setups of the same experiment lets learners determine which temperature results in the fastest rate of sugar...
Teach Engineering
Ramp and Review (for High School)
Rolling for momentum. As part of a study of mechanical energy, momentum, and friction, class members experiment rolling a ball down an incline and having it collide with a cup. Groups take multiple measurements and perform several...
It's About Time
Oil and Gas Production
Would you consider a power failure a current event? This lesson uses multiple experiments, guided inquiry activities, and group discussions to cover the topics of oil and gas production. This is the seventh lesson in a series of eight.
Teach Engineering
Kidney Stone Crystallization
No one likes kidney stones, but they are very interesting to learn about. The last installment of a three-part unit has learners experiment with different chemicals to see which one inhibits the growth of calcium oxalate crystals (which...
Discovery Education
The Time of Our Life
Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second instructional activity of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle...
Child Care Lounge
Learning Foundations Curriculum
Here is a collection of activities that complements each of the five senses. Youngsters explore textures, sounds in song, food tastes and aromas, colors and patterns, and a variety of experiences that boost individuals' knowledge about...
It's About Time
Cushioning Collisions (Computer Analysis)
Did you know the car bumper is specifically designed to save the car and not the passengers in case of an accident? Young scientists use a computer, a force probe, and a sonic ranger to experiment with external cushioning on cars.
Big Kid Science
Create a Milk Carton Camera to Observe the Eclipse!
Step aside, fancy glasses... it's time to create a solar eclipse viewing camera of your own using nothing more than a milk carton.
Howard Hughes Medical Institute
The Teosinte Hypothesis
Don't want to sound corny, but your class will be a-maize-d by an engaging activity! Explore the history of the modern corn plant through a video and Punnett squares. Junior genetics experts get hands-on experience with actual research...
It's About Time
Color
How can a hand puppet's shadow look like a dog? The lesson explains the science behind shadows, combining paint colors and the colors used in old televisions. Scholars use white, red, blue, and green lights to experiment with colors and...