Purdue University
Can You Design a Hot or Cold Pack?
You're getting warmer. Groups conduct an experiment to determine which of four chemicals are in hot/cold packs. They learn about exothermic and endothermic reactions and use this knowledge to design a hot/cold pack that is small enough...
Curated OER
The Accident That Did Not Happen
Middle schoolers examine science lab equipment and review the basic rules of laboratory skills.
Curated OER
Microbiology Lesson
Learners collect water samples and use a microscope to find bacteria in the samples. They categorize the different bacteria they find, determine the number of colonies there are, and predict how the bacteria levels might affect animals...
Curated OER
Allocating Energy from a Photovoltaic System
How much electricity do you use in a day? Physics fanatics calculate their energy use by consulting a chart of the watts required to run typical household appliances. They compare power to amounts of electric energy used or generated....
Curated OER
Project Geode
Young geologists attempt to predict the appearnace of a geode's internal structure based on how it looks from the outside, its mass, and its physical characteristics. For this geologly lesson, learners use scientific equipment to collect...
Curated OER
Geologic Sequestration
Students investigate how geologic sequestration reduces carbon dioxide concentration in the atmosphere. In this earth science lesson, students simulate oil mining in the lab. They write down their observations and complete the lab report...
Curated OER
Stalactites And Stalagmites
Students conduct a scientific investigation about the formation of stalactites and stalagmites. They conduct an experiment to reproduce them in the lab environment. Students make observations over a period of time in order to see the...
Curated OER
How Sweet It is! A Colorful Sugar Solution Density Column
Students examine the affect of density. Using a graduated cylinder and equally prepared volumes of sugar-water solutions and food color, students observe a sugar rainbow. They discover that the greater the amount of sugar in the...
Curated OER
Introduction to Gases
Students are introduced to gases. In this science lesson plan, students demonstrate that gases are a state of matter, generate a number of gases, discover some properties of gases, compare some of the properties of different gases, and...
Curated OER
Observing Decomposition
In this science instructional activity, high schoolers focus upon the concept of decomposition and collect data in order to make interpretations or observations.
Curated OER
Pursuit of The Properties of Metals and Nonmetals
Learners examine how every element is classified based on the physical and chemical properties. In this properties of metals lesson students divide into groups, complete a lab and finish a data sheet.
Curated OER
Enzymes and Jell-O
Students test for the presence of enzymes in fruit and the specificity of those enzymes. They identify the susceptibility of enzymes to certain environmental factors such as temperature and pH in the enzymes environment.
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...
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
2003 U.S. National Chemistry Olympiad Part III
For this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
Curated OER
#13 Chromatography is a Gas: An Inquiry-Based Introduction to Gas Chromatography
Advanced chemistry scholars read about gas chromatography as a means of separating mixtures into their components. Then they try the technique on fingernail polish remover. Detailed instructions are provided via a lab sheet for your...
Curated OER
Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology instructional activity, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
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
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....
Curated OER
Solar Kit Lesson #5 - Build a Simple Ammeter
Emerging electricians build a simple ammeter for making measurements on an electric current. They test the placement of solar cells in both series and parallel circuits and examine the magnetic field produced by the movement of electrons...
Curated OER
Digital Video Lesson Plan: Brine Shrimp
Students participate in classroom experiment to gain better understanding of type of environment brine shrimp can best survive. Students then explore effects of common saltwater pollutants on survival of animals in sea.
Curated OER
Heating and Cooling Curves
High schoolers experiment with a pure substance and a phase change. In this heating and cooling curves lesson plan, students study the effects of heating and cooling a pure substance to observe a phase change. They determine both the...
Curated OER
Mighty Minerals
Students identify the characteristics of minerals. They complete proper identification tests and record the data in an organized fashion. They list important uses for minerals as well.
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...