Curated OER
Diffusion
Students develop the concept of diffusion. In this science lesson plan, students demonstrate diffusion of molecules of matter in various states.
Curated OER
Osmosis
Second graders discover the process of osmosis. In this science lesson plan, 2nd graders learn how different kinds of solutions move through selectively permeable membranes, understand the role of osmosis in the movement of molecules,...
Curated OER
11 - The Heat Is On
Students observe physical change of melting by observing substance in original state, melting substance, allowing substance to return to original temperature, determining if substance retained its original properties, and recording results.
Curated OER
Acids And Bases
In this acid and base chemistry learning exercise, students solve 25 clues in a crossword puzzle based on the pH of common household solutions and common names of chemical compounds.
Curated OER
Hydrocarbons
In this chemistry worksheet, students use the clues given at the bottom of the sheet to complete the crossword puzzle on hydrocarbons. There are 17 statements to solve and fill in on the puzzle.
Curated OER
Petroleum Refining
For this petroleum worksheet, learners review different types of distillations and name three common petroleum distillation fractions. This worksheet has 10 short answer questions.
Curated OER
Still Waters
Pupils construct a still to turn seawater into drinking water. They estimate the cost of distilling it. They investigate ways to make the conversion more efficient. They track the source of their home drinking water and make a map of its...
Curated OER
It's Too Salty!
Students examine water shortage and the process of changing salt water to fresh water. They examine a world map, define key vocabulary terms, conduct experiments involving seeds and salt water and creating distilled water, and illustrate...
Curated OER
Science: Testing Water for Toxicity
Students investigate the potential toxicity of water samples using California blackworms to test water quality. They observe the worms' behaviors in different water samples and determine which sample has the highest toxicity. At the...
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
Bacteria Lab II: Effect of Bacteriocides
Written to follow "Bacteria Lab I: Preparing Agar Plates and Culturing Bacteria," also found via the Lesson Planet site, this lab sheet instructs your microbiologists to test a bacteriocide for effectiveness. In the preceding lab, they...
National Institute of Open Schooling
Hydrocarbons
The vast majority of hydrocarbons humans use help fuel cars, homes, and provide energy. A comprehensive lesson teaches pupils all about hydrocarbons. From alkanes, alkenes, and alkynes to benzene, classes study the preparation of these...
Lesson Snips
Who Killed the Flowers?
This could be really good, or it could be really bad! The crime to be solved is, "Who went pee in the flowerpot?" Given four imitation urine samples, young chemists or crime scene investigators perform pH, glucose, and turbidity tests to...
Curated OER
Make a Solar Sill
Students design a solar still and purify water. In this earth process and design instructional activity, students observe how the heat of the sun helps to purify water. Students analyze why this could be helpful on a desert island. ...
NOAA
Off Base
How does carbon dioxide affect the world's oceans? The final installment in a series of six lessons has pupils research ocean acidification, then conduct an experiment to witness the delicate balance that exists in our seas. Materials...
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for comparison.
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
Solubility Product of a Hydroxide
Students determine the solubility product constant and the concentration of a hydroxide. For this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric acid. They...
Curated OER
Building A Solar Still
Students investigate the water cycle by viewing an online video. In this drinking water instructional activity, students create solar stills at their campus in order to purify water that is tainted. Students view a video on their...
Curated OER
Investigating What Makes Fruit Go Brown
Is there anything that can be done to slow the browning of fruit once it has been cut? High schoolers determine the answer through five different investigations involving apples, potatoes, and chemical reactions. After each experiment,...
Nuffield Foundation
Making Serial Dilutions
There's no need to water down the resource. A tutorial takes learners through the process of creating dilutions for any solution. Specifically, it focuses on serial dilutions with successive factors of 10.
Sciencenter
Carrying Charges
What's all the buzz about electricity? Scholars take part in a scientific activity to test the conductivity of liquids and solutions. They first see if water, salad oil, alcohol, and vinegar cause a buzzer to buzz when electrodes are...
Curated OER
Acid Rain
Simulated acid rain, a dilute sulfuric acid solution, needs to be prepared for this demonstration. After a condensed lecture on acid rain, you will apply the solution to a sample of granite and a sample of limestone. Your young...
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....