Curated OER
Taste
Young scholars collect data to be used in selecting the class favorite taste. They predict which among the common flavors such as salty, sweet, sour, or bitter is preferred.
Curated OER
Mass and Moles Worksheet
In this mass and moles worksheet, students solve fifteen problems which include converting between moles, mass, atoms, molecules and formula units.
Curated OER
Chapter 3 Worksheet Matter
In this matter worksheet, students answer ten questions about matter including the phase of matter, mixtures and how they are different from compounds, the physical and chemical properties of matter and the difference between homogeneous...
Curated OER
Making soap you can use
Those textbook experiments are no good. Using this simple method you can make a real bar of soap. It's
Curated OER
Understanding Salinity
Students discuss why the ocean is salty. They discuss what salinity is. Students are told that is they want to know how much salt is in a body or water, they would use a special scientific tool. They complete an Estuarine Layers science...
Curated OER
Solutions and Suspensions
Learners explore matter by conducting an in class demonstration. In this liquid mixture lesson, students identify the difference between a solution in which a solid dissolves into liquid, and a suspension where the solid doesn't dissolve...
Curated OER
Transition Metal Ions and Colour
In this transition metal worksheet, students are given equations of transition metals and their ions. Each equation shows the changes in colors of the ions when heat, salt or other substances are added to the metals.
Curated OER
Understanding Kidney Disease
Students experiment to determine information about kidney function. In this kidney function lesson, students use the scientific method to experiment with eggs, water, salt, sugar, and vegetable oil to simulate kidney function. They...
Curated OER
WS 8.9 Review Worksheet-Solutions
In this solubility worksheet, students answer eighteen questions including reading a graph to indicate solubility of three different compounds at particular temperatures, calculating percent of solutes in a solution, determining molarity...
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Solubility Curves
In this solubility curve worksheet, students are given a solubility curve for a variety of compounds and they answer 17 questions about the solubility of the compounds shown.
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Weathering and Erosion
Students investigate how changes occur on the surface of the earth through erosion and glaciation. They observe what happens to salt and iron after they interact with water and vinegar, and analyze what occurs when water is sprinkled on...
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Salinity Lab
In this salinity activity, students simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.
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Rock Formation
Young scholars investigate rock formation through cementation, compaction and evaporation. In this rock formation lesson plan, students simulate the process of evaporation, cementation and compaction in the lab. Young scholars explain...
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Percents and Money
In this algebra learning exercise, students rewrite word problems using algebraic symbols. They solve for the amount of population or money over a period of time. There are 10 questions with an answer key.
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Rate of Solubility
Students investigate factors affecting the rate of solubility. In this rate of solubility lesson plan, students experiment by crushing, heating and cooling solutes and solvents to see how the solubility is affected. For each situation,...
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DNA Extraction with Kitchen Chemistry
Students extract DNA from green peas. In this DNA extraction lesson plan, students use a blender to chop up peas, they mix them with a little soap, they tenderize them and they mix them with alcohol to see the DNA precipitate through the...
Curated OER
Smooth It Out
Fourth graders describe how weather events such as hard rains and floods cause weathering of the Earth's surface and rocks. They distinguish between erosion and weathering, and comprehend that water and friction show similar results in...
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Solutions Review
In this solutions worksheet, students review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
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Solutions, Suspensions, and Colloids
In this solutions, suspension, and colloids worksheet, students answer questions as it relates to their reading information about solutions, suspensions, and colloids. Students observe different examples and complete a chart as they...
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Sedimentary Rocks Worksheet
In this geology lab worksheet, students answer 31 short answer questions about sedimentary rocks. Teacher needs to provide text or internet site for students to find answers.
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Mixtures
In this mixtures activity, students fill in 7 blanks, determine if 4 statements are true or false, match 7 terms with the appropriate definitions, and solve 2 problems. These include topics such as homogeneous and heterogeneous mixtures,...
Exploratorium
Salty Pits
Yuck, does my deodorant kill that? To test whether deodorant is anti-bacterial, class members use petri dishes to grow control bacteria and bacteria from sweat, and then compare them to see if deodorant effects the growth.
Curated OER
Quick Freeze (Demonstration)
Students witness an demonstration in which a bottle of club soda will go from a liquid to a solid when it is opened and the carbon dioxide is allowed to escape. This will help them understand that the freezing point of a solution will...
Curated OER
Growing Crystals from Solutions
Young scholars grow crystals in the lab using solutions. In this crystals lesson plan, students set up a crystal growing apparatus using a sugar solution with a thread attached to a piece of copper wire that is inserted in the solution....