Curated OER
Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology lesson, high schoolers discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
Cornell University
Nano Interactions
Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water hardness....
National Nanotechnology Infrastructure Network
Lines on Paper - Laser Box
See what you cannot see by getting a little creative. An intriguing lesson has learners use lasers to explore X-ray diffraction. Given a box with unknown structures, they shine a laser through the box and interpret the results....
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
Curated OER
Measurement and Safety
For this measurement and safety worksheet, students find the terms in a word search puzzle for 13 statements about the SI units of measurement, the prefixes for the units and measurements of mass, length, and volume. They answer 2...
Curated OER
Bernoulli's Principle Lab
Students are introduced Bernoulli's Principle and how it shows the relationship between fluid speed and pressure change. In groups, they participate in experiments in different processes in the industrial world. They share their...
Curated OER
Soil Nutrients - Phosphorus Lab Lesson Plan
Students list sources of phosphorus in soil. They explain how phosphorus is removed from the soil and used by plants. Students list the symptoms of insufficient or excess phosphorus. Students perform experiments to examine the effect of...
Curated OER
Bacteria Lab I: Preparing Agar Plates and Culturing Bacteria
Bacteriologists prepare their own agar plates and culture bacteria on them. The procedures for both tasks are delineated, and questions are posed, but no materials list is printed. Also, the exact amounts of water and nutrient agar are...
Curated OER
Water Chestnut Graphing Activity
Students are taught how to format and enter data into an Excel spreadsheet. They make a graph and interpret graphed data. Students discuss possible impacts of water chestnut invasion. They graph data on water chestnut. Students report...
Curated OER
Science Lesson Plans
Students conduct a variety of exploration activities on various science topics. For this science lesson outline, students design a cell encapsulation to hold a specific type of medicine. They give examples of physical and chemical...
Curated OER
Applied Science - Science and Math Pre - Lab (Scientific Method)
Students examine science. In this scientific method lesson, students are introduced to what every experiment contains (hypothesis, critical thinking) and how an experiment is conducted. They watch a demonstration and then work...
Curated OER
Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
Curated OER
Chalk Fizz
Little chemists observe the effects of acid on calcium carbonate as an example of chemical change. As a demonstration you will place a raw egg in vinegar overnight, and as a lab activity, learners drip vinegar onto a piece of chalk....
Cornell University
Renewable Resins and Composites
Merge chemistry with environmental science to study biodegradable materials. An engaging activity allows learners to experiment with different resin concentrations and composites. Through experimental tests, scholars test their creations...
Cornell University
Light Waves: Grades 9-12
Explore the behavior of light waves with a lab activity. Scholars build new vocabulary through experimentation and observation. Using different mediums, they model reflection, refraction, transmission, diffusion, and scattering of light.
Curated OER
Pollution or Prevention?
Students examine potential contamination on the environment due to products and by-products of a new industrial process. Students conduct a lab that explores the economic differences between choices of pollution cleanup and prevention.
Curated OER
Water Alchemy
After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...
Teach Engineering
Sugar Spill!
Sugar isn't good for you, but it's great for yeast! Scholars design an experiment to investigate how variables affect the rate of sugar consumption in yeast. The last installment of a nine-part Life Science unit considers how scientists...
Curated OER
Drug Analysis Using Thin-Layer Chromatography
Students use forensic science to positively identify any suspected drugs submitted to the laboratory. They determine the identity of the drugs found in the bodies of drug-overdose victims. Students use TLC to identify the active...
Curated OER
Gravimetric Determination of the Nonvolatile Content of Paint
Here are the instructions for leading your advanced chemists though the process of measuring the nonvolatile components in a sample of paint. No student handout is provided, so you may want to create one based on the procedure explained....
Curated OER
Elastic Recoil in Arteries and Veins
A lab in which high schoolers examine the difference between arteries and veins. Budding biologists will find out which blood vessel can stretch furthest, recording their data in a table then answering several questions evaluating their...
Curated OER
Dependence of Light Intensity on Distance
Hopefully you have a sensor interface for your physics class to use with graphing calculators when collecting data with a light sensor. If so, read on. Use this resource for learners to predict and then test whether or not the intensity...
Curated OER
Solar Kit Lesson #8 - Positioning Solar Panels II: Explorations with Stationary Panels
This lesson is preparation-intensive, but well worth the investment. You will construct five or six portable testing stations with which lab groups will gather data on the best position for collecting sunlight with a solar panel. This is...
Curated OER
The Greenhouse Effect
Why does it get so hot inside of our cars in the summertime? The greenhouse effect! Lab groups experiment to see what happens to an ice cube enclosed in a jar and placed in sunlight as compared to an ice cube outside of the jar. They...