Classroom Resources: Reactions & Stoichiometry
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1 – 25 of 28 Classroom Resources
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Chemical Change, Mixtures, Reaction Rate | Elementary School
Lab: The Disappearing Color Mark as Favorite (5 Favorites)
In this lab, students will create a solution to observe a chemical change between food coloring in water and bleach. They will also develop the process skills of predicting, observing, and measuring temperature.
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Reaction Rate, Chemical Change, Reaction Rate, Observations | Middle School, Elementary School, High School
Demonstration: Simple Kinetics Mark as Favorite (58 Favorites)
In this demonstration, students will see that different food dyes react with bleach at different rates.
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Chemical Change, Pressure, Reaction Rate, Acid Base Reactions, Chemical Change, Conservation of Matter | Elementary School, Middle School
Lab: Rocket Challenge Mark as Favorite (6 Favorites)
In this lab, students will have the opportunity to construct a rocket, with the challenges of both designing it and preparing a chemical reaction for its “fuel” in order to propel the rocket over the furthest distance. Students will investigate available materials, quantities and ratios during allotted planning and testing phases. Student will record their plans, modifications and designs during the process. The lab will culminate with a competition amongst students to see whose rocket will travel the longest distance.
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Polymers, Chemical Change, Conservation of Matter, Phase Changes | Elementary School
Lesson Plan: Making Slime Mark as Favorite (3 Favorites)
In this lesson, students explore the science behind chemical reactions as well as the processes used by chemical engineering principles to develop new materials. The idea that mixing two substances can result in an explosion, the release of gas, and the formation of an entirely new substance is both fascinating and mysterious to most young students.
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Chemical Change, Exothermic & Endothermic | Elementary School, Middle School
Demonstration: Giant Toothpaste Mark as Favorite (23 Favorites)
In this demonstration, students will identify factors that indicate a chemical change has occurred while observing the production of giant toothpaste. This reaction uses simpler materials than those that are often used in the typical high school version of the Elephant’s toothpaste demonstration.
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Chemical Change, Chemical Change, Observations | Elementary School, Middle School
Lab: It's Alive Mark as Favorite (0 Favorites)
In this lab, students will practice making and recording observations, analyzing data, and identifying chemical change. They will transfer dirt, germs, and bacteria from their hands onto a piece of white bread and observe the changes that occur during the following days. Students will analyze the results, make comparisons between clean and dirty samples of bread and learn about the importance of hand-cleaning.
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Chemical Change, Exothermic & Endothermic, Acid Base Reactions, Chemical Change | Elementary School
Demonstration: Comparing Chemical Reactions Mark as Favorite (7 Favorites)
In this demonstration, the teacher will perform two chemical reactions, one will be between acetic acid (vinegar) and sodium bicarbonate (baking soda) and the other will be between Alka-Seltzer and water. Both reactions will produce gas and will be conducted in a Ziploc bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical change. Students will also determine that these are both endothermic reactions based on their observations.
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Chemical Change, Observations, Chemical Change, Oxidation | Elementary School
Demonstration: Apple's Oxidation Mark as Favorite (2 Favorites)
In this lab students will learn about the chemical reaction, oxidation, using apple wedges. They will apply different substances to a number of apple wedges to determine if these applications have any impact on the oxidation process. Students will also use a control sample so that they compare their results with an apple wedge that has not had any substance added to it. Students will measure and record the time it takes to see the changes to the apple which indicate oxidation. 3-46
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Chemical Change, Chemical Change, Observations, Acid Base Reactions, Chemical Change | Elementary School
Lesson Plan: The Chemistry of Eggs Mark as Favorite (1 Favorite)
In this lesson students will learn that vinegar can react with the Calcium in an egg shell to make it rubbery. First, the students will listen to the teacher read a book about eggs. The teacher will then put an egg in a jar with vinegar and let it set for two days. Students will make a prediction about what they think will happen to the egg, and then together they will investigate the final results.
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Chemical Change, Phase Changes, Combustion, Observations | Elementary School, Middle School
Demonstration: The Jumping Flame Mark as Favorite (5 Favorites)
In this demonstration, students will observe that the vapor of an extinguished candle flame is ignitable.
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Conservation of Matter, Chemical Change, Photosynthesis, Balancing Equations, Reversible Reactions, Molecular Formula, Molecular Structure, Conservation of Mass, Interdisciplinary, Matter, Elements, Monomer | Elementary School
Lesson Plan: Plant Chemistry Mark as Favorite (1 Favorite)
In this lesson, students will explore a simple, but key, biochemical reaction: photosynthesis.
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Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School
Demonstration: Investigating Gas Density Mark as Favorite (8 Favorites)
In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.
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Chemical Change, Reaction Rate, Reaction Rate, Phase Changes | Elementary School
Demonstration: Plop & Fizz Investigation Mark as Favorite (2 Favorites)
In the demonstration the teacher will perform a reaction between water and Alka-Seltzer in order to generate the release of carbon dioxide. Students will observe the chemical reaction, while timing the release of carbon dioxide and observe 3 states of matter. This will be repeated 3 times, each time increasing the number of tablets used.
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Chemical Change, Density, Chemical Change, Density | Elementary School, Middle School, High School
Demonstration: Fire Extinguisher Mark as Favorite (17 Favorites)
In this demonstration, students will observe a chemical reaction, and see how the product can be used to extinguish a fire.
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Observations, Mixtures, Chemical Change, Physical Change, Chemical Change, pH | Elementary School
Demonstration: The Chemistry of Cheese Mark as Favorite (3 Favorites)
In this demonstration, students will observe the chemical process that occurs when making cheese. Students will be become more familiar with fundamental chemistry terms while making important observations.
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Chemical Change, Volume | Elementary School, Middle School
Lab: Air Bag Design Challenge Mark as Favorite (18 Favorites)
In this lab, students will learn how chemistry is used in air bags. Students will model the inflation of an air bag by performing a series of reactions using baking soda and vinegar in a Ziploc bag. During this investigation, students will see that there is a relationship between the inflation size of the bag and the amount of reactants used. Finally, students will be challenged to design an air bag that can help an egg endure a crash test.
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Chemical Change, Observations, Acids & Bases, Chemical Change, Mixtures | Elementary School, Middle School, High School
Demonstration: Inflating a Balloon with Chemistry Mark as Favorite (29 Favorites)
In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.
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Chemical Change, Physical Change, Chemical Change | Middle School, High School, Elementary School
Lab: Chemical and Physical Changes Mark as Favorite (78 Favorites)
In this lab, students will observe and analyze a number of examples in order to determine if a chemical or physical change occurred.
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Chemical Change, Chemical Change, Observations, Chemical Change | Elementary School
Lab: My Pennies Mark as Favorite (3 Favorites)
In this lab, students will investigate how an acidic, vinegar based solution can help to get “dirty” pennies clean. Students will observe chemical change and investigate real-world connections to this lab.
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Reaction Rate, Chemical Change, Observations, Chemical Change, Reaction Rate, Catalysts | Elementary School
Lab: To What DEGREE Does it Matter Mark as Favorite (0 Favorites)
In this lab the students will explore how factors such as temperature may influence chemical reactions. Students will use citric acid and sodium bicarbonate (Alka-Seltzer) and a catalyst (water) to induce a reaction at varying degrees. Observations will be made of the rate at which the reactions take place under these varying conditions. The students will make predictions of how the temperature of the water will affect the chemical reaction. They will use a stop watch to time the reaction between the Alka-Seltzer and the varying temperatures of water and graph their observations for analysis, they will compare data to deduce whether temperature has any influence during a chemical reaction.
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Chemical Change, Exothermic & Endothermic, Chemical Change, Physical Change, Separating Mixtures | Elementary School
Lab: Super Suds Mark as Favorite (3 Favorites)
In this lab, students will investigate an endothermic chemical reaction by combining baking soda, hand soap and citric acid. The students will be tasked with differentiating between chemical and physical changes during this experiment.
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Chemical Change, Chemical Change, Observations, Interdisciplinary, Acid Rain | Elementary School
Lab: Chemical Weathering of Rocks Mark as Favorite (1 Favorite)
In this lab, students will explore simulated reactions that contribute to chemical weathering of certain rocks as it appears in nature. They will compare the effects of two different chemicals as it contacts various rock and mineral samples.
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Chemical Change, Physical Change, Physical Properties | Elementary School
Lab: What's the Fizz? Mark as Favorite (0 Favorites)
In this lab, students will make a lemon fizzy drink. Students will discuss what happens when things are mixed together.
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Chemical Change, Observations, Inferences, Chemical Change, Interdisciplinary | Elementary School
Lesson Plan: Strawberry DNA & CSI Mark as Favorite (7 Favorites)
In this lesson, students will extract DNA from strawberries and analyze evidence to figure out who perpetrated a petty crime.
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Chemical Change, Chemical Change, Physical Change, Observations, Indicators | Elementary School
Lesson Plan: Explorations of Baking Soda and Vinegar Mark as Favorite (8 Favorites)
In this lesson, students complete a series of simple lab experiments to better understand chemical reactions as well as differentiate between chemical change and physical change. Students will also be introduced to the pH scale, and have the opportunity to understand how chemical reactions can be used in real-world scenarios.