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.
Nuffield Foundation
Assessing Human Hearing
Young scientists explore hearing through multiple experiments, demonstrations, and activities. They focus on the changes in hearing over a lifetime, how we can determine where a sound is coming from, and the ability to filter noises.
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.
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...
Syracuse University
American Industrial Revolution
While the Industrial Revolution may have fueled America's rise to the top of world markets, the child laborers often faced dangerous conditions. Using primary source images and other information, scholars consider what these children...
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....
Curated OER
Studying with Chemical Compounds
Students create a foldable to help them remember topics on chemical compounds. In this physical science lesson, students differentiate ionic and covalent compounds. Given certain compounds, they identify whether it's ionic or covalent.
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
Time For A Change: Illustrated Plates
Students create illustrated plastic plate designs depicting a physical, chemical, or biological change of some kind after investigating the artwork of porcelain artist Kataro Shirayamadani.
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
From Granite to Paper
In this weathering learning exercise, students read about physical and chemical weathering and how kaolin in used in paper. Then students complete 4 short answer questions.
Curated OER
pH Potential
Learners 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
Students determine the rate law for a chemical reaction. They use graphical techniques in the analysis of experimental data.
Curated OER
Outcomes Science 4: Earth & Beyond
In this earth and beyond science worksheet, students read through 11 pages of information on weather, global warming, climate change and other related topics. There are many website links on the pages that provide additional information...
Curated OER
Thermometric Titration of an Unknown Acid
Students determine the number of ionizable hydrogen's in an unknown acid and determine the equivalent weight of an unknown acid. They determine the enthalpy change for the ionization of an unknown acid.
Curated OER
Your Digestive System
For this digestive system worksheet, 9th graders identify and explain any difference found in color of the mixtures in two glasses. Then they determine what enzyme was produced by glands in the mouth changing the starch in a chewed cracker.
Curated OER
Soda Bottle Boat
Learners explore chemical reactions. In this chemical reaction lesson, students conduct an experiment observing chemical reactions.
Curated OER
Here Today, Gone Tomorrow
Students study the difference between chemical and physical weathering. They explore the effects of climate on the weathering process.
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
AP Chemistry-Chemical Kinetics
In this kinetics activity, students find rate laws of reactions, they determine rate constants, they find rate-determining steps of reactions, they find half-life's of reactions and they determine the overall order of reactions.
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
Chemical Equilibria
In this equilibria instructional activity, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.
Curated OER
Alchemy and Chemical Symbols
In this alchemy learning exercise, learners read about how alchemists kept their experiment notes in secret code. Students design their own secret code for the given elements. This learning exercise has 2 problems to solve.
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