Curated OER
Paper Chromatography K-12 Experiment
Students study chromatography and how they can distinguish between the different pigments in a color. In this chromatography instructional activity students separate a mixture of dyes in soluble ink then record the colors they see.Â
Curated OER
Laboratory: Ionic Compound Solubility
For this solubility worksheet, students answer post activity questions about the lab work they completed with ionic compounds. They write sentences about solubility of cations from their lab work. They write chemical reactions for their...
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Curated OER
#16 Separation Science Lab
Learners in this inquiry-based experiment, put in the role of a method development chemist. The scenario they are given is that a train wreck has occurred resulting in a chemical spill. Students are told that the spill mixture consists...
Curated OER
Determining pH
Students evaluate pH levels through a solubility experiment. In this pH levels lesson, students list characteristics of acids and bases. Students complete their own pH level experiment. Students go to the GEMS Alien Juice Bar website to...
Curated OER
Water Resource Engineering
Young scholars examine solubility and the significance of water. In this aqueous solution lesson plan students complete a lab activity on soil profiles.
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Curated OER
Disposable Diaper Comparison and Mystery Powder Identification
Students investigate which diaper is the most absorbent. In this chemistry lesson, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.
Curated OER
Icebergs Ahead!
Young scholars examine icebergs and how they are suspended in water, why ice floats, the melting process of an iceberg, and the floating behavior of ice compared to that of a cork through a lab activity.
Curated OER
Properties of Materials (with adjectives)
Help your students write descriptive lab reports! Designed for ESL students but useful for mainstreamed kids as well, the activity prompts students to think of substances that match twenty given adjectives ("salt" for "soluble," for...
Curated OER
Exploring Density with Salt and Fresh Water: Part 5
This particular lesson was written by the National Earth Science Teachers Association, but density is a concept that you can teach at the beginning of the school year in your life, physical, or earth science classes. It would be fun to...
Curated OER
Denaturing Proteins
Students investigate how to denature proteins. For this denaturing protein lesson plan, students explore the different ways to denature proteins in the lab. They use heat, acids and bases, organic compounds and heavy metals to denature...
American Chemical Society
Recrystallization Test
Crystallize the answer to the question that has been investigated since the first of four lessons: What is the unknown crystal? Pupils have examined, crushed, and dissolved four samples plus an unknown as an exploration of the properties...
NOAA
Ocean Layers I
How is it possible for ocean water to have layers? The sixth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program investigates factors that cause different water densities to occur. Experiments...
Curated OER
Elements and Compounds
Eighth graders explore the chemical and physical properties of a variety of elements in a lab setting. They organize the data they collect onto a spreadsheet and then choose one element from the periodic table to research. They...
Curated OER
Strawberry DNA Extraction
Students explore the DNA of strawberries. In this science instructional activity, students extract the DNA of strawberries. Students complete a lab report.
Curated OER
Science Lesson Plans
Students conduct a variety of exploration activities on various science topics. In this science instructional activity outline, students design a cell encapsulation to hold a specific type of medicine. They give examples of physical and...
Curated OER
Not A Drop To Drink
Fifth graders discuss ways that humans pollute our natural water supply. They observe a video about water pollution. Students identify eight different ways water is contaminated. They investigate an oil spill by conducting a hands-on...
Curated OER
Identifying Elements
Students use diffraction glasses to find similarities and differences between observed spectrum of fluorescent light and an incandescent light They work in groups of 4-6 for the experiment/activity part of this exercise.
Curated OER
Life in Extreme Environments - Lakes Under Ice
Students collect chemical, physical, and biological data from a local lake throughout the year. In addition, students discuss the design of an experimental structure for water collection at several specific depths as well as assess the...
Curated OER
The Solar System: Why do we Explore?
Third graders act as scientists. In this property discovery lesson, 3rd graders explore the substance "Oobleck" (cornstarch, water, food coloring). They work in groups to investigate the substance and make observations as a scientist...
Curated OER
How to Clean Up an Oil Slick
Students explore how an oil spill is contained and cleaned up. They investigate an oil absorbing polymer that is hydrophobic, absorbs up to 19 times its own weight in nonpolar liquids, floats on water, and can be reused or disposed of by...
Curated OER
Water and Polymers
Students conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...
Curated OER
Slime and Intermolecular Attractions
Learners explore the strength of intermolecular attractions. They make slime and compare the difference in the physical properties of sheet and powdered polyvinyl alcohol with polyvinyl acetate.