University of Georgia
Antacid and Uncle Heartburn
Household materials can be used for more than cleaning! In this collaborative experiment, emerging chemists use products such as vinegar and liquid antacid to explore chemical reactions that commonly occur in the human body.
Chicago Botanic Garden
Climate and Forest Ecosystem Services
Forests, through sequestration, capture excess carbon dioxide in our atmosphere and store it, aiding in climate change. The third installment in a four-part series on how climate impacts forests explores carbon sequestration. Classes...
Cornell University
Discovering Enzymes
Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...
Curated OER
Mystery of the Megaplume
Read through the extensive background information and then lead your geology or physical oceanography class through an investigation of actual temperature anomaly data from the Juan de Fuca ridge. They translate the data onto a plot,...
Curated OER
Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
Curated OER
A Sweet Drink
Young scholars investigate reaction rates. In this seventh or eighth grade mathematics lesson, students collect, record, and analyze data regarding how the temperature of water affects the dissolving time of a sugar cube. Studetns...
Science-Class.net
Rock Candy Crystals
Candy is one of my favorite words, and it's an even better word when it relates to science. Yes, candy science can happen when you grow rock candy crystals with your class. The entire process for growing these edible wonders of nature is...
Curated OER
Antacid Lesson Plan
Eleventh graders use titration methods to study properties of antacids. They look at the strength, effectiveness, PH, and effect of supplements taken at the same time. They make observations after the different mixtures are combined and...
Curated OER
Observation and Stimulation of bioluminescence and chemiluminescence
Students are introduced to chemical reactions, reaction rates, chemiluminescence, fluorescence and bioluminescence. They use glow sticks are used to demonstrate the effect of temperature on the rates of chemical reactions. Pupils recall...
Curated OER
Comparing Solids, Liquids, and Gases
For this solids, liquids and gases worksheet, high schoolers observe a teacher demonstration about gases and they experiment with liquids to show diffusion, shape and volume. They answer nine questions about the experiments related to...
Curated OER
Capillary Action and Adhesion
Learners perform classroom experiments to observe adhesion. They perform a second experiment using sand, salt, water, and a heat lamp to observe the principle of capillary action. They also experiment with adhesion in plants.
Curated OER
The Dose makes the Poison
Learners investigate the effect of a chemical (they choose) on the germination of seeds. They calculate % chemical concentrations in water, form a hypothesis, and discuss the ethics of using animals in biomedical research.
Curated OER
Indicator Sponge A Discrepant Event Demonstration
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
Curated OER
Liquid Layers
In this density worksheet, young scholars investigate what will happen when various liquids with different densities are put into the same container. They hypothesis and make observations. Students answer 4 questions about their...
Curated OER
Vocabulary Practice
In this sentence completion worksheet, students read two choices of vocabulary words and choose the correct words to make the sentences make sense. Students choose 14 answers.
Curated OER
Kinetic Molecular Theory
Students analyze and evaluate evidence that matter is made of tiny particles. They observe a series of phenomena involving solids, liquids, and gases to make inferences about the spacing, interactions and relative kinetic energies of the...
Curated OER
Energy from Hydrocarbons
For this energy from hydrocarbons worksheet, students read about endothermic and exothermic reactions and how hydrocarbons release heat as fuels. Students read how to measure heat changes in reactions and practice finding the specific...
Curated OER
First Land Plants Found on Earth
In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...
Curated OER
Geologic Sequestration
Students investigate how geologic sequestration reduces carbon dioxide concentration in the atmosphere. In this earth science activity, students simulate oil mining in the lab. They write down their observations and complete the lab...
Curated OER
What is Everything Made of?
Students observe a demonstration on how we see space between water molecules. In this experimental instructional activity students discover what elements make up the things around them and discuss what they learned.
Curated OER
Activity #7 Apple Color Change
Students compare the different rates of reaction between an apple covered with vitamin C and an apple with no vitamin C. They compare the different rates of reaction between an apple placed in the sun and one not exposed to the sun. ...
Curated OER
Classification of Changes
For this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...