PhET
Balancing Chemical Equations
Just like the old saying goes, "What goes in must come out." This simulation allows pupils to balance chemical equations. The introduction gives three examples before scholars switch to game mode, pick their level, and continue to...
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How Do I Get a Pure Sample of the Molecules I Make?
Learners initially engage in online research and consult print materials to identify a compound to produce. Once a selection has been made, individually, students conduct lab experiments to isolate substances. The end product is a...
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Effects of pH on Organic Molecules
Students investigate the effects of an acid and a base on the structure of milk protein. They observe the changes to droplets of milk when adding ammonia and lemon juice and relate the changes to old, curdled milk. An extension using...
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From Molecules to Mole Day Do's
Students recognize methods used to define the mole. After converting various quantities to the mole, students provide a context for understanding the usefulness of scientific notation and the mole.
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What Does That DNA Molecule Really Look Like???
Students extract DNA from animal liver cells. They separate, collect and describe the appearance from the extracted DNA while role playing as an intern in a city's forensics.
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The Molecular Basis of Inheritance Study Guide
In this biology worksheet, students use an interactive worksheet with 9 questions that ask them to review many parts of the concepts.
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Atoms, Molecules, and Chemical Bonds
In this atoms worksheet, students review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.
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Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
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Stoichiometry
In this stoichiometry worksheet, high schoolers calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each...
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Chromatography
Eighth graders observe a compound and separate it into its component parts. In this chromatography lesson students complete and activity that demonstrates how mixtures can be separated into components.
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Super Scientists Code
In this science activity, students use the key code on the right to unscramble each of the scientists. They also match each of the scientists found to their correct description.
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Compounds and Molecules
In this compounds activity, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This activity has 1 fill in the blank and 5 short answer questions.
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Molecular Structure of Proteins
Students examine the effects different substances have on proteins. They test different molecules reaction to water. They discover how the amount of water affects the shape of the protein.
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How do things flow in and out of a cell?
High schoolers revise thier partner's essay. They also write the second draft of their essay for homework. Students use the Protein Explorer web site to visualize molecules, ATP, DNA, proteins and lipid bilayer. They are able to see...
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Review Questions-Molecular Geometry and VSEPR Theory
In this molecular geometry and VSEPR learning exercise, students find bond angles, hybridization, determine polarity and draw orbital box diagrams of molecules. They determine molecular geometry and bond angles of given molecules and...
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The Structure of Materials
Students brainstorm what matter is and how they define it. They construct a water molecule with marshmallows and toothpicks. In addition, they watch videos to explore the use the idea of nanoscience to investigate the properties of...
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The Water Cycle
Students list the nine places on earth where water is found. They define the terms cycle and water cycle. Students explain how energy from the sun powers the movement of water molecules through the water cycle. They name and describe...
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Creative Expressions: Phase Changes
Students place themselves in the position of a water molecule, ice molecule, or steam molecule and then describe the process of changing phase.
Reach Out!
Paper Clip Sailing
Students explain that some things can float on top of water because of what we call "surface tension." They see that if something happens to disturb these water molecules from tugging on each other, the skin-like surface breaks up.
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Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
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Covalent Bonding-Electron Dot Structures
In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.
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Energy Extravaganza
Tenth graders study how cells and organisms acquire and release energy through photosynthesis and cellular respiration. They explain that living organisms use matter and energy to synthesize a variety of organic molecules and they will...
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Sugar and carbohydrates, protein, fat and water - that's what little plants are made of!
Students identify photosynthesis as the mechanism by which plants convert sunlight energy into a usable energy source for plant processes. They identify photosynthesis as the mechanism by which plants create a molecule that can be used...
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Diffusion
Learners develop the concept of diffusion. In this science lesson plan, students demonstrate diffusion of molecules of matter in various states.
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