Curated OER
Crystallization
Eighth graders analyze physical change in mass. In this chemistry lesson, 8th graders describe, measure and calculate the amount of physical change occurring in mass before and after the change. Students should be familiar with elements,...
Curated OER
Water Resource Engineering
Learners examine solubility and the significance of water. In this aqueous solution instructional activity students complete a lab activity on soil profiles.
Curated OER
Cell Size and Division or How Big Would You Want To Be if You Were a Cell?
Students investigate why cells divide. In this cell size lesson plan, students observe how far a solution travels into 3 different size model cells of agar. They answer questions about the most effect movement of "nutrients" into the...
Curated OER
Finding the Percent of Iron in Lawnsand
In this percent of iron in lawnsand worksheet, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find the mass of...
Curated OER
Classifying Chemicals
In this acids and bases worksheet, learners identify the strengths of acids and bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases, they find the molarity...
Curated OER
Make Slime
Students make slime. In this chemical reaction lesson, student use Borax to make a gel like solution. Students add all ingredients listed, add food coloring, and mix well. Students see first hand how chemicals react together and create...
Curated OER
Thermometric Titration
In this thermometric titration worksheet, students titrate hydrochloric acid with sodium hydroxide to determine the concentration of hydrochloric acid. They measure the change in temperature of the solution, plot their data and use the...
Curated OER
Equilibrium and Acid/Base Equilibrium
In this acid/base and equilibrium learning exercise, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...
Curated OER
Oil Floats, Right?
Young scholars examine the properties in oil in water. In this mixture lesson, students read about the Lophelia II 2010: Cold Seeps and Deep Reef Expedition and look at images of deep sea ecosystems. They experiment or participate in...
Curated OER
Sampling Carbon Dioxide
Students perform an experiment to determine which source of gas (their breath, exhaust from a car, or the air in the classroom) has a greater concentration of carbon dioxide. Students compare the colors of BTB solutions after...
Curated OER
Thermometric Titration Involving Dataloggers
In this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found...
Curated OER
Chemical Equilibria
In this equilibria learning exercise, 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
We All Scream for Ice Cream
Students investigate the freezing point depression of water while making ice cream. In this colligative properties lesson plan, students make ice cream using ice, salt and water to freeze milk and sugar. They measure the temperature of...
Curated OER
Bubbleology Mickey Mouse Style
Students investigate the effects of four different shaped wands and geometric shapes in a bubble solution. In this bubbleology lesson, the students build water and soap molecules. Students work in cooperative groups and conduct...
Curated OER
What Happens When You Mix Things?
In this mixtures worksheet, students complete 3 statements about what happens when you mix things together. This worksheet is a graphic organizer.
Curated OER
Summer Intern
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
Royal Society of Chemistry
A Solid-Solid Reaction between Lead Nitrate and Potassium Iodide
Why is it so difficult to make two solid compounds react? Investigate the concepts of particle collisions and rate of reaction using a quick demonstration. The colorful experiment features two plain, white solids combining to form a...
American Chemical Society
Energy Changes in Chemical Reactions
Some chemical reactions produce heat, but what is really going on? Lesson focuses on the concept of energy changes, both exothermic and endothermic. Scholars perform multiple experiments, hands-on activities, and view videos of the...
Illustrative Mathematics
Archimedes and the King's Crown
Learners will shout "Eureka!" in this quick but deep activity replicating the famous bathtub experiment of Archimedes. Given the scenario of a king with a suspected fake crown, young investigators develop formulas using density to...
American Chemical Society
Conservation of Mass
It may take up less space, but the mass stays the same. Tackle a common misconception about conservation of mass using a hands-on lesson. Learners measure the mass of substances before and after melting, dissolving, and undergoing a...
Curated OER
States of Matter Mini-Unit
Students identify he phases of matter (solid, liquid, gas), and why they take place. They comprehend what a physical change is and what a chemical change is. Students know the difference between a Mixture and a Solution.
Curated OER
Science: Quick Freeze
Learners observe an experiment of freezing point depression using club soda. Through observation, they note that the carbon dioxide molecules disrupt the capacity of the water molecules to solidify. Precautions must be taken to assure...
Curated OER
Diffusion Of Molecules
Students investigate molecular movement while studying how to perform a chemistry investigation.
Curated OER
Heat Transfer & Phase Changes
In this heat transfer and phase change worksheet, students experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...
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