Curated OER
Water-holding Capacity of Earth Materials
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
Curated OER
Chemical or Physical?
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...
Curated OER
Physical vs. Chemical
In this physical vs. chemical change worksheet, high schoolers answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer...
Curated OER
Activit #2 Matter: Is It Conserved?
Students support the law of conservation of matter with evidence. They discuss the changes observed from the burning of the candle, and the differences in mass which are observed when the same reaction is carried out in an open or...
Fluence Learning
Writing About Informational Text: The Dred Scott Decision
Looking for a performance assessment that asks individuals to demonstrate their competency in writing about informational text? Use Frederick Douglass' essay "On the Dred Scott Decision," and an excerpt from Abraham Lincoln's 1857 speech...
K20 LEARN
Leaning Plants: Plant Adaptations, Growth, And Tropisms
Young scientists examine pictures of plants, then explore plant reactions found on the Missouri Botanical Gardens website. Scholars investigate why plants lean, then observe a plant of their own for six weeks to make new claims,...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
Curated OER
Dropping the Atomic Bomb: The Decision That Defined a Presidency
Students interpret historical evidence presented in primary and secondary resources. In this World War II lesson, students research the implications of the use of nuclear weapons to end the war in the Pacific. Students determine and...
Curated OER
Alka Rockets
Students design a paper rocket propelled by Alka-Seltzer and water to demonstrate Newton's third law of motion. They, in pairs, determine the best combination of Alka-Seltzer and water to produce the maximum launch height and record...
Curated OER
Like Water for Chocolate Guided Reading Worksheet
Planning a novel unit on Like Water for Chocolate by Laura Esquivel? If so, this comprehensive guided reading worksheet might appeal to you. Steer readers through the entire novel with a routine of comprehension questions and analysis...
Curated OER
Chemquest: Physical Changes or Chemical Reactions
Students study the differences between physical and chemical changes. In this chemical reactions activity students participate in an indoor and outdoor lab activity.
Cornell University
Alka-Seltzer Rockets
Blast off! An engaging hands-on activity has pupils create rockets powered by Alka-Seltzer. They learn about the physics behind these rockets throughout the process.
Kenan Fellows
Unit 2: DNA Analysis
Ever wonder how they solve those mysterious murders in TV crime dramas? The second of four units in a Biotechnology series introduces scholars to the many methods of DNA analysis. Pupils create and run their own gel electrophoresis...
Chicago Botanic Garden
Are All Plants Created Equal?
Photosynthesis requires energy and produces food, and cellular respiration produces energy and requires food. An interesting activity analyzes the factors that affect the rates of photosynthesis and respiration. Classes spend one day...
Cornell University
Forensic Science: Case of the Missing Diamond Maker
Someone stole a diamond-making machine. Who done it? Scholars use forensic science at six different stations to determine the culprit. They analyze fingerprints, use their senses, and complete chemistry experiments to determine the...
Curated OER
Physical vs. Chemical Changes and "The Code"
In this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....
Curated OER
WHAT MAKES A LIGHT BULB LIGHT?
Students are able to use inquiry to answer the essential questions. They are able to predict and test configurations of a battery, bulb, and wire that make the complete circuit. Students craft a group and individual theory of a...
Curated OER
Acids and Bases: Together again!
Students identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations.
Curated OER
Oxidation and Reduction
Students investigate oxidation and reduction reactions. In this oxidation and reduction lesson plan, students construct an electroplating device and perform an oxidation/ reduction reaction. Students describe the chemical changes that...
Curated OER
Alka-Seltzer Cannons
Fourth graders observe what is happening when an Alka-Seltzer tablet is placed in a clear cup of water. They observe the release of carbon dioxide gas. Pupils answer the question of how much as is released by observing the experiment...
Curated OER
Everything about Equations
In this chemical reactions worksheet, students are given fifteen unbalanced equations and they must identify the reaction types, the phases of the products, the signs that a chemical change occurred and the sum of the coefficients of the...
Curated OER
The Blue Bottle: An Example of Teacher-Guided Inquiry
Students observe a demonstration in which a bottle containing a colorless solution is mixed, turns blue, then becomes colorless again. They record observations, form and discuss hypotheses, and draw a conclusion based on the evidence.
Curated OER
Back to the Past
What was the Untied States like in 1938? What were the concerns of Americans in the post World War I era? What were their fears? What were their sources of news and entertainment? To understand the reaction to Orson Welles' radio...