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Identifying Food Nutrients
High schoolers pretend they are a food-quality tester. They develop a kit to test food for sugars, starches, proteins and lipids. They answer questions to complete the lesson.
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EGG-cellent POLYMER PACKAGING DESIGN
Students investigate the concept of a polymer using an experimental design of protecting an egg in a bookbag. They test the properties of polymers and form an educated solution to the proposed problem. Then they describe the steps used...
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Melting Ice
Students observe the melting of ice and explore the basic physical changes that occur. They gain information of how different substances change the rate of melting. Students discuss the properties of water and ice, the definition of...
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Chemical Bonding
In this chemical compounds worksheet, students review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short answer...
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DNA Extraction
Students are able to extract and observe a visible amount of DNA from Escherichia coli cells. They discuss the properties of DNA. Students confirm the presence of DNA by a reaction with an indicator.
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Electrolysis of Water
Ninth graders examine the electrolysis of water by completing an experiment. In this water lesson students will explain how hydrogen can be extracted from water and how energy flows through an electrolysis system.
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Lewis Structure Worksheet
In this chemistry instructional activity, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.
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Playing With Polymers
Learners explore the world of polymers. In this chemistry lesson, students make polymers and observe their properties. Follow-up questions and extension activities are included.
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Kernel Power" Ethanol Fuel from Corn
Students study why corn is a biodegradable, renewable resource. In this ethanol lesson students build models and observe a chemical reaction.
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Fun Polymer Activity
Students add borax to a latex polymer and play with it to see the characteristics it now contains. In this polymer lesson plan, students see if it stretches, if it's durable, if the molecules break easily, and more.
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Nanofibers on Your Clothes
Students relate the presence of nanofibers in clothing to its ability to repel stains. They observe and contrast the characteristics of nanofiber, Scotchguard treated, and regular fabric then test the stain resistance of each fabric...
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Stoichiometry
Students research chemical formulas and balance chemical equations. For this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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Lewis Structures
In this Lewis structures worksheet, students are given forty molecules. They must draw the Lewis structures, identify multiple bonds and draw resonance structures.
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Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 9 compounds and polyatomic ions, identify their molecular shapes and polarity.
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High School Chemistry Questions
In this chemistry worksheet, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This worksheet has 20 problems...
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Through Thick or Thin!!!
Students differentiate between high and low viscosity. Students collect, graph, and interpret data, then quantitatively measure polymer solids. Students experiment with a household example of an emulsion polymer.
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Oxygen
Students explore oxygen and its physical and chemical propeties. In this investigative lesson students complete several experiments using oxygen.
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Ammonium Nitrate- Stoichiometry
Students quantify the relationship between moles and mass. They comprehend that ammonium nitrate is used as a fertilizer and an explosive. Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of...
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Formula or Molar Mass
For this worksheet about molar mass, students find the molar mass or formula for 10 chemical compounds. This worksheet is printable and the answers are not available.
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Vocab Science Chapter 1
In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.
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The Causes of Differences in Density
Students explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds.
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Pyrotechnics for Pyromaniacs
Students explore how chemistry is associated with the annual celebration of America's independence. They learn what gunpowder is made of, the anatomy of a firework, how noise is made in fireworks and the safety issues.
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Circle of Life
Students consider why we eat and where our food obtains its energy. They illustrate food chains that might be found on an open field, dissect owl pellets, identify the remains of animals in the pellets, watch videos and participate in...
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Ingestion
In this ingestion activity, 9th graders fill in the blank about ingestion. Students relate the role of saliva, teeth, and the esophagus to their importance in ingestion.