Curated OER
Light & Crystals
Learners observe a demonstration of light refraction. They experiment with disappearing crystals to further study light refraction.
Curated OER
Root, Root, Root for the Nutrients
Young scholars observe the growth of a seed, predict what will happen when seeds are planted without soil, and conduct an experiment using a hydroponics system.
Science Geek
Element Classes
Introduce your young chemists to alkali metals, alkali earth metals, transition metals, metalloids, nonmetals, halogens, and noble gasses with a presentation that explains the classes of elements and a few facts about each.
Curated OER
What Is In The Cup?
Young scholars investigate the mixtures of solutions. They utilize cups filled with bases and acids. Students test and determine the pH of each cup. The multiple cups are compared to each other in order to chart acids and bases according...
Curated OER
Solutions and Solubility Review
For this solutions and solubility review worksheet, students are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students...
Curated OER
Polymerization Experiments
Students study the concepts of polymerization and the function of crosslinkage. For this polymer lesson students complete a lab activity and write down their observations.
Curated OER
Calculating pH
In this pH activity, students are given information and directions as to how to calculate the pH of solutions. They use their calculators to find the pH of given solutions and apply what they learned about identifying acids and bases.
Curated OER
Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
Curated OER
Crystal Growing
Students explore the different phases of a crystal. In this mineral lesson students grow their own sugar crystals using a sugar recipe.
Curated OER
Invisible Ink
Students wxplore acids and indicators by watching a demostration in which "magic" ink appears. They duplicate the demonstration by writing magic messages using phenolphthalein solution and painting the message with vinegar to show it.
Curated OER
Corrosion & Rust
Students examine how and when rust and corrosion occur. In this corrosion lesson students complete an experiment to see why metals rust.
Curated OER
Acid-Base Indicator Paper
Middle schoolers are able to prepare and use pH indicators in paper form. They find out the color of the indicator paper plus test solution may change with time. Students use red cabbage to use for the indicator.
Curated OER
The Synthesis of Some Organic Compounds And Their Representative Structures
Students examine how to represent organic compounds three-dimensionally. They write a synthesis reaction for three demonstrations, and construct a three-dimensional structure using a molecular modeling set.
Curated OER
Thermoset Polymers
Students complete a lab activity with polymers to allow them to better understand how to make "observations". In this science lesson students make measurements and collect data.
Forest Foundation
Forests, Carbon & Our Climate
To conclude their examination of forest ecosystems, class members consider the role forests play in the carbon cycle and how forests can offset climate change.
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson plan asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows...
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
Distillation
A sequence of slides that show the apparatus set up for varying practices of distillation. The equipment pieces in each diagram are labeled and their purpose noted. Your class can use these pictures to help set up their own equipment, or...
NOAA
Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
National Institute of Open Schooling
Hydrogen and s-Block Elements
Lesson 19 in the series of 36 analyzes the element hydrogen and the s-block elements. Through readings, answering questions, and discussion, learners write about and explain their occurrence, physical and chemical properties, and uses.
Curated OER
Organic Molecules Detected on Distant Planet!
Here is a planet worksheet in which learners read about organic molecules detected through spectral lines of the planet Osiris. They calculate the mass, the volume and the densities of common ingredients for planets including Osiris and...
National Institute of Open Schooling
Ionic Equilibrium
Scientific studies show the older we get, the more acidic we become. The activity extensively teaches high schoolers about acids and bases. By the end of the 14th installment of 36, they can define and explain three concepts of...
Curated OER
Thin-layer chromatography
Students produce chromatograms of various vegetable extracts and standards. Using a flat bed scanner, they create a database of the results.
Curated OER
Freshwater Macroinvertebrates
Students identify and count Macroinvertebrates at a Hydrology website. In this macroinvertebrates lesson students collect, sort and identify Macroinvertebrates.