Curated OER
Dissolving Gobstoppers
Young scholars design their own experiments . They study the scientific method and determine what a testable question is. They distinguish between questions that are testable and those that are not. They identify variables, make and...
Curated OER
Where Do Plants Get Their Food?
Plants need food to survive, just like any other living organism. Young biologists analyze an experiment performed in 1610 by Jan van Helmont to determine if plant nutrition is obtained through the soil. First, lab groups work together...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
University of California
Weathering and Erosion
Just how powerful is erosion? Interested scientists learn how to identify the results of erosion with a series of lab activities. They move through stations to experiment with different types of erosion and then design and complete their...
Curated OER
Survival in Antarctica
Explore the harsh climate of Antarctica and its wildlife. Participate in experiments to determine how humans survive in the continent's climate, and address the difficulties faced by scientists.
Curated OER
Elastomers: The Best Bungee Cord
Students examine elastomeric polymers in a lab activity in which they design a bungee cord. Students must determine the tensile strength, percent elongation, and plot stress versus strain graphs for their experiments on rubber bands...
Curated OER
Wildlife Study Comparison
Environmental science classes read articles about two different scientific studies. One is about the effects of contraceptive chemicals on fertility, and the other is about how a pesticide may be reducing bone density in exposed...
Curated OER
# 21 Measuring Nitrate by Cadmium Reduction
Students design an experiment to evaluate the effects of various treatments on the nitrogen cycle in a freshwater aquarium. They are required to maintain a laboratory notebook of all work, measure the key analytes of the biosystem at...
Curated OER
Blow-and-Go Parachute
Students design a skydiver and parachute constraption to demonstrate how drag caused by air resistance slows the descent of skydivers as they travel back to Earth. They experience how gravity pulls the skydiver toward the earth and how...
Curated OER
Drinking Water and Water Purification
Sixth graders design experiments to compare the amount of bacteria in river water to the amount in purified tap water. They explore how water purification removes bacteria and pollution from the water. Students examine the steps of the...
Curated OER
What Boat Designs Float the Best?
Fifth graders investigate buoyancy by conducting a science experiment. In this water properties lesson, 5th graders predict which of their different paper boat designs will float for the longest period. Students conduct the...
Curated OER
5th Grade, Egg Droppers
The classic "Egg Drop Activity" is described in this fine science lesson plan. Young scientists work together to design a container that will protect the eggs inside of it when dropped from a high place. Lots of good scientific...
Curated OER
Does Soil Get Soggy?
Study the properties of soil and water absorption with a science activity. Based on a paragraph with background knowledge on sandy soil, silt, and clay soil, third graders choose which illustration represents a bottle full of sandy soil....
Curated OER
I Don't Believe My Eyes!
Students develop their understanding of the effects of invisible air pollutants. In this invisible air lesson, students complete experiments with a rubber band air test, a bean plant experiment and by exploring engineering roles related...
Curated OER
Technology for Studying Comets
Students design an Aerogel model to capture clay particles. For this space science lesson, students discover what happens to comets as they hit a surface. They explain how the Aerogel technology would help scientists study comets better.
Curated OER
Building a House
Study the different materials needed to build a house. Kindergartners and first graders read five sentence frames, and match the phrases that describe wood planks, glass, and clay. An experiment prompts kids to test different types of...
Curated OER
Magnet Circus
Students explore the properties of magnets by designing a device that can move as far as possible using only magnets to move it, and design a machine that will stay in motion for the greatest period of time.
American Chemical Society
Does Temperature Affect Dissolving?
When making sweet tea, why do people dissolve the sugar in hot tea instead of cold tea? The class discusses the previous lab and builds upon it. Working in groups, they design an experiment to determine how temperature affects the...
Curated OER
# 15 A Search for Automated Plastics Recycling Separation
Students are challenged to investigate the physical and chemical properties of plastics and use them to design a system that could be used to separate them. 1st year chemistry students use density for separation, students gathered...
Curated OER
Break the Tension
Students experiment with the concepts of surface tension. They participate in a number of different experiments that introduce them to surface tension. They work in a small group in order to conduct these experiments.
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...
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...
Curated OER
Gas Law Investigation
Investigators collect the carbon dioxide produced when an antacid tablet is activated and identify what alteration produced the most gas. They also collect the gas in a buret in order to practice precision. Then they choose between two...
Curated OER
As a Matter of Fact
Elementary-aged scientists discover that all matter has mass. They are shown the difference between mass and weight, and learn how to calculate mass using the appropriate tools and methods. The scientific method is used while estimating...