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Breaking It Down
Seventh graders explain the mechanism of digestion. In this biology activity, 7th graders perform an iodine test to check for the presence of starch. They discuss how energy travels through the food chain.
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Photosynthesis
In this photosynthesis instructional activity, students identify and locate various vocabulary terms pertaining to the process of photosynthesis. There are 18 biology terms located in the word search.
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Amylase Enzyme In Saliva
Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...
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Identifying Food Nutrients
Students 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 instructional activity.
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Diet: Find the Carbohydrates
Students discover and discuss the functions of carbohydrates. Once they have taken notes and completed worksheets, they perform experiments using iodine to test for starch. Lesson topics include how carbohydrates are processed by the...
Virginia Department of Education
The Ratio of Surface Area to Volume
Demonstrate the ratio of surface area to volume in your high school class by using phenolphthalein, gelatin, and an onion. Intrigue the class by leading a discussion on osmosis and diffusion, then making "scientific jello." Participants...
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Plant Growth and Environment
Third graders bring to school various green plants and categorize them into plant leaves, stems, roots, and fruits. They answer the question, "How can you show there is starch in a plant?" and perform the iodine test and describe the...
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How Amylase Works
In this how amylase works worksheet, learners read a short article and then choose the multiple choice answer to 7 questions relating to amylase. Students then complete 3 step-by-step experiments.
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What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or in the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, just note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in...
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Movement Across the Membrane (Diffusion)
Students investigate the concept of diffusion and how materials enter and leave a cell. In this movement across a membrane lesson plan, students use perfume, food coloring in water and a sugar cube in water to observe diffusion. They...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for comparison.
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A Test-Tube Study of Redox Reactions
Six different redox reactions are set up in the lab by your chemistry class. Inquisitors methodically test each one and eventually order them according to oxidizing strength. This is a neat way to have the learners perform more than one...
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PhysioEx: Chemical and Physical Processes of Digestion
In this anatomy worksheet, pupils complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
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Now you see it....Now you Don't
Students investigate the biodegrading process of packing peanuts. In this biological process lesson, students conduct an experiment to see how quickly packing peanuts biodegrade. Students check the process each day and record their results.
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Diffusion Through a Membrane
In this diffusion through a membrane worksheet, students fill in the blanks to complete 27 statements about cell membranes, the movement of molecules across the cell membrane, concentration gradients and diffusion.
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How to Make Invisible Ink
Learners learn how to make two types of invisible ink. In this invisible ink lesson plan, students will make two types of invisible ink using common house hold items. They will then write a paper comparing and contrasting each type of ink.
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Balancing Redox Reactions
In this redox reaction worksheet, students perform a redox titration in order to determine the number of iodide ions which react with each mole of iodate (V) ions in a solution. Students calculate their answer using a given equation to...
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Osmosis
High schoolers investigate osmosis and diffusion in a liquid environment. In this osmosis lesson plan, students use dialysis tubing made into bags and filled with 3 different solutions. They observe the movement of water molecules into...
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An Introduction to Four Groups of Biologically Important Compounds
Students learn about the four biochemicals that are important biologically. In this biochemicals lesson plan, students identify the four major groups of biochemicals including carbohydrates, proteins, lipids and nucleic acids. They are...
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The Scientific Method Using Mystery Powders
Students use the scientific method to determine physical and chemical properties of unknown substances. In this scientific method lesson plan, students discuss chemical and physical properties of substances as a class after a...
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A Very Simple Conductivity Meter
Students investigate the hardness of different water samples using the conductivity meter. For this chemistry lesson, students build their own meter following specific procedures. They identify an unknown sample of water.
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Science Lessons that Create the Right Chemistry!
Mix it up in your classroom with some chemistry investigations!
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Plant Actions
Students explore plant life. In this biology lesson plan, students take part in 2 activities that require them to study photosynthesis and water transport in plants.
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