Curated OER
Digital Video Lesson Plan: Brine Shrimp
Learners 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.
Nuffield Foundation
Investigating Anti-Microbial Action
Join the fight against bacteria. An open investigation shows pupils different aspects of antimicrobial substances, such as disinfectants, deodorants, or plant oils. They design and conduct their own experiments on the effectiveness of...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Kenan Fellows
What Is Heat?
If objects have no heat, how do they can gain and lose it? Scholars experiment with heat, temperature, and specific heat of various substances. They create definitions for these terms based on their own conclusions to complete the fourth...
American Chemical Society
Developing Tests to Distinguish Between Similar-Looking Liquids
Each group talks about how to test unknown liquids based on their findings in the previous experiment. In this second of four activities, they test unknowns on wax paper, newspaper, and construction paper. As a stand-alone, this lesson...
Nuffield Foundation
Going up in Smoke
Don't let all your hard work go up in smoke. Pupils conduct an experiment to see the harmful effects of cigarette smoke. They observe how smoke changes the color of white wool and an indicator solution.
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....
CK-12 Foundation
Sedimentary Rock Classification: How Old is That Layer?
A timely resource illustrates the effects of the passing years on sedimentary rock formation! Young geologists discover just how long it takes to create shale, slate, and other sedimentary rocks. The interactive also shows...
CK-12 Foundation
Cellular Respiration: Can Photosynthesis Be Reversed?
Cellular respiration and photosynthesis relate closely, but many don't realize how. Scholars drag and drop the reactants and products to the chemical reactions for both processes. Then they answer three multiple-choice questions.
Serendip
How Do We Sense the Flavors of Food?
We taste with our taste buds, so why do flavors change when we have a stuffy nose? Scholars experiment with taste testing while holding their noses and then while smelling. They record their observations in pairs and come together to...
Curated OER
Baggie Science
Students work in groups and observe chemical reactions inside zip-lock bags. They use all of their senses, except taste, to observe the reactions.
Curated OER
Studying with Chemical Compounds
Students create a foldable to help them remember topics on chemical compounds. In this physical science instructional activity, students differentiate ionic and covalent compounds. Given certain compounds, they identify whether it's...
Curated OER
Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.
Curated OER
pH Potential
Students experiment to determine the positive and negative impacts of human activities on environmental change. They examine how physical and biological processes such as decomposition affect soil characteristics while looking at the pH...
Curated OER
Determination of a Rate Law
High schoolers determine the rate law for a chemical reaction. They use graphical techniques in the analysis of experimental data.
Curated OER
Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Curated OER
Practice Writing and Evaluating Conclusion Paragraphs
In this writing conclusions worksheet, students practice writing and evaluating paragraphs written at the end of an experiment. They are given a hypothesis and a results sentence and they write a conclusion.
Curated OER
Soda Bottle Boat
Students explore chemical reactions. In this chemical reaction lesson, students conduct an experiment observing chemical reactions.
Curated OER
Blue
Students follow directions for a simple chemical experiment. They use the appropriate tools and techniques to gather, analyze, and interpret data. Students identify a substance that has characteristic properties, such as density, a...
Curated OER
Heating Crystals
Young scholars examine the effects of heating on various crystals. They formulate and revise scientific explanations and models using logic and evidence. Students work individually during this experiment.
Curated OER
The Mystery Box
Students work in groups with a wooden box that is sealed shut. They make predictions about what is inside the box. Before being allowed to open the box, the groups make hypotheses, conduct experiements, record results, draw conclusions,...
Curated OER
Salty Sea Water
Learners conduct an experiment to find out if there is salt in the ocean. In this scientific inquiry lesson, students pour a cup of salt water onto an aluminum plate and observe the changes over a few days. Learners complete an included...
Curated OER
Chemical Calculations and Chemical Formulas
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Curated OER
Growing Barley for Use in Biosynthesis Experiments
Students attempt to determine the optimum growing conditions for barley. They assess the effects of a number of substances such as ammonium chloride and urea on the plants