Curated OER
Observing Decomposition
In this science worksheet, students focus upon the concept of decomposition and collect data in order to make interpretations or observations.
Curated OER
Lab Safety
This PowerPoint displays safety rules to be followed in a laboratory. General safety, glassware, chemical, electrical, heating safety and first aid are covered
Curated OER
No Creation-No Destruction--All in a Baggie
Students investigate the concepts of conservation of mass and simple chemical reactions. Students complete lab experiments and record all observations as well as conduct experiments on their own to determine which reactions created...
Curated OER
Barn Owl Pellet Lab
In this lab worksheet, students dissect a barn owl pellet then identify the different small animals found in the owl pellet. Using class data they calculate percentage present as well as complete 8 post lab questions.
Curated OER
Historic Earth Science Innovations
Students research the demands or limitations on Earth scientists. In groups, they design and build a model that would be useful to them in the lab or field. They share their model and their ideas behind it to the class and answer any...
Curated OER
Scientific Methods in Biology
In this scientific methods worksheet, students will review the steps necessary in testing a hypothesis including the types of reasoning and variables involved. This worksheet has 6 terms in a crossword puzzle and 4 fill in the blank...
Curated OER
Chemical Disasters
Students discuss the importance of safety in the science lab and also in industry. They also will understand some of the implications of chemistry in the world using links provided.
Curated OER
General Microbiology Lab Skills
High schoolers study the different types of equipment necessary for the experiments in the pGLO kit. They examine the techniques and safety procedures for working with the kit.
Curated OER
Applied Science - Science and Math Pre - Lab (Scientific Method)
Students examine science. For 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
Palm use in Chemistry
Students use a Palm loaded with chemistry software to assist them in gaining information presented in a lesson about basic chemistry principles. They perform a basic chemistry demonstration for their class using information from received...
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
The Chemistry of Refining Crude Oil
Consider our energy sources: wood, coal, oil, uranium. Learners compare the pollution to energy produced for each. They practice fractional distillation of an alcohol/water mixture to simulate the process of refining crude oil....
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.
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...
Beyond Benign
Product Test
It's the moment of truth. Previous lessons in the 24-part series had scholars design and develop shampoo formulas using chemical concepts. The 18th lesson asks them to test the function of their shampoos. To do this, they calculate the...
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...
Kenan Fellows
How Do Chemists Measure?
Young chemists create gold nanoparticles as they learn to measure accurately with the metric system. They create an advertisement for the application of nanotechnology to complete the first lesson in a series of six.
American Chemical Society
Combustion and Burning
On Earth, a candle flame points up, but on the International Space Station, it forms a sphere. Young scientists practice their skills by recording observations before, during, and after a candle burns. Chemical and physical...
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
Orienting a Photovoltaic Cell
By mounting a light bulb on a stand and a PV cell on another, physics apprentices experiment with the angle of incidence. Their goal is to determine the optimum angle for collecting solar energy. The use of a scientific calculator...
American Chemical Society
Energy and Entropy of a Stretched Rubber Band
Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...
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
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...