Biology Junction
Photosynthesis
Why do leaves change color in autumn? A presentation and worksheet walk through many details of photosynthesis. They explain where photosynthesis occurs, why plants are green, the changing colors in autumn, energy usage, and CAM plants.
Curated OER
Plants in Your Gas Tank: From Photosynthesis to Ethanol
Explore ethanol and how it is produced. Young scientists investigate photosynthesis and fermentation to the concept of conservation of energy and mass. They discuss the environmental and economical benefits of ethanol as a fuel additive.
Utah Education Network (UEN)
Utah Open Textbook: 8th Grade Science
The cycle of energy is important to many different systems on Earth. Scholars use questioning and observation to investigate the differences between renewable and non-renewable resources and how they relate to global changes. They...
Curated OER
Energy in a Cell
In this cell energy worksheet, students are given clues about the light capturing process in plants and the energy producing reactions in animals to complete a crossword puzzle.
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Chemical Equilibrium Worksheet #1
In this chemical equilibrium worksheet, students list 4 ways to increase the concentration of the product. They answer 9 multiple choice questions about equilibrium reactions.
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Energy Worksheet
In this energy worksheet, students calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.
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Reaction Kinetics
In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...
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Some Common Chemical Reactions
In this chemical reactions worksheet, learners compare and contrast corrosion and combustion reactions. This worksheet has 15 short answer questions.
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Worksheet Heat of Reaction (Bond Energies)
For this bond energies worksheet, students analyze bond enthalpy data in order to estimate the change in heat, in kilojoules, of three different chemical reactions.
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Enzymes in Action: An Inquiry Approach to the Effects of Enzymes
Students experiment with enzymes as key components of chemical reactions in all living things through this series of lessons.
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Chemical Reactions
In this reactions worksheet, learners state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer questions.
Curated OER
Types of Reactions
In this reactions learning exercise, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This learning exercise has 1 multiple choice, 2 short answer, and 10...
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Metabolism & Enzymes
More extensive than just a general overview of digestion and reactions, this slide show gives information about all areas of enzyme function. Topics like the chemistry behind efficiency of enzymes, factors that affect speed of reaction,...
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Inquiry into Consumer Products
Students recognize different consumer products, found in and around the home, that have reactive or denaturing properties when used together. They explore chemical and physical properties of each product by identifying chemical formulas...
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Energy and Matter
A review of a full unit on energy and matter, this slide show starts with basic definitions of states of matter and their mass. It then develops the ideas of the forces that that matter can exert. Details about bonding within matter and...
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Matter
In a neat and straightforward manner, this PowerPoint delivers basic introductory information on the properties of matter, physical and chemical changes, and pure substances vs. mixtures. It also defines the states of matter. For some...
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TE Activity: Bubbling Plants
Students study a way to quantify the process of photosynthesis during a given time using the Elodea plant. They design a hypothesis that they test in the hands on activity. They compare the amounts of photosynthesis that occur during low...
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Atomic Theory
An extremely thorough presentation walks new chemists through the basics of matter. There really isn't a unifying theme, however So many topics are covered: forces, elements, atomic structure, chemical properties, compounds, quarks,...
Chemistry Collective
Virtual Lab: Cobalt Chloride and Le Chatelier’s Principle
Colorful cobalt complexes make a great way to learn about Le Chatelier! Eager chemists explore equilibrium through a virtual lab. Individuals use solutions with two different concentrations and observe the color changes that indicate...
Curated OER
Chemical Reaction
In this chemical reaction worksheet, students label the missing particles as natural decay, induced, fission, or fusion. Students calculate the energy change for the given reactions. This worksheet has 6 fill in the blank and 4 problems...
Teach Engineering
Wizardry and Chemistry
No need to go to Ollivanders to buy a magic wand. In the chemistry lab activity, young magicians mix chemicals to create combustible compounds. By applying these compounds to an iron wire, they create magic wands.
Texas State Energy Conservation Office
Investigation: Making a PV Cell
Rise and shine! Class members collaborate to construct a photovoltaic solar cell with two semiconductor layers, as guided by this fabulous lab sheet. They test its output with an ammeter or galvanometer.
Curated OER
Transition State Theory
In this transition state theory worksheet, students read about chemical reactions and the theory for how chemical reactions proceed. They answer questions about the activated complex, the activation energy and the collision theory all...