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Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
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#13 Chromatography is a Gas: An Inquiry-Based Introduction to Gas Chromatography
Advanced chemistry scholars read about gas chromatography as a means of separating mixtures into their components. Then they try the technique on fingernail polish remover. Detailed instructions are provided via a lab sheet for your...
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Genetically Modified Food (GMF)
Explore genetically modified foods through various experiments. In this biology instructional activity, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.
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Chalk Fizz
Little chemists observe the effects of acid on calcium carbonate as an example of chemical change. As a demonstration you will place a raw egg in vinegar overnight, and as a lab activity, learners drip vinegar onto a piece of chalk....
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Solar Kit Lesson #5 - Build a Simple Ammeter
Emerging electricians build a simple ammeter for making measurements on an electric current. They test the placement of solar cells in both series and parallel circuits and examine the magnetic field produced by the movement of electrons...
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Mighty Minerals
Students identify the characteristics of minerals. They complete proper identification tests and record the data in an organized fashion. They list important uses for minerals as well.
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Solar Kit Lesson #8 - Positioning Solar Panels II: Explorations with Stationary Panels
This lesson is preparation-intensive, but well worth the investment. You will construct five or six portable testing stations with which lab groups will gather data on the best position for collecting sunlight with a solar panel. This is...
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Dependence of Light Intensity on Distance
Hopefully you have a sensor interface for your physics class to use with graphing calculators when collecting data with a light sensor. If so, read on. Use this resource for learners to predict and then test whether or not the intensity...
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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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Solar Kit Lesson #1 - Solar Cell Inquiry
Give youngsters the components of a solar-powered electric circuit and turn them loose to figure out how to connect them in order for a light to shine or motor to turn. They compare energy output of a solar panel to that of a battery. On...
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Solar Kit Lesson #6: Solar-Powered Battery Charger
In a previous lesson, learners build an ammeter. That ammeter, or a pre-made one, is required in order to carry out this lesson. The objective is for lab groups to design a way to connect solar cells that can recharge a battery. Basic...
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Solubility Product of a Hydroxide
Learners determine the solubility product constant and the concentration of a hydroxide. In this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric acid. They...
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Fishy Frequencies
Tenth graders demonstrate that natural selection is an agent of evolution. They quantitatively apply the Hardy-Weinberg Principle to an imaginary population of fish. They utilize math and graphing skills, collecting and analyzing data,...
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Density Of A Material
Young scholars determine the density of a material created in the laboratory and observe physical and chemical changes. They engage in a lab activity, and answer questions on a worksheet imbedded in this plan.
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Providing Safe Food to the Consumer
Students identify safe practices that must be followed to assure the food chain from the farm or ranch to dinner table is providing safe and quality food for the consumer. Students visit websites to examine numbers of food borne...
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Find Someone Who...
In this lab safety worksheet, learners find someone in their class who can answer five different questions about lab safety. They identify the person and write their answer on their paper.
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Kitchen Equip and Lab Procedures - Level I
Young scholars, in groups, record at least four pieces of equipment that fit a specified category as well as a safety tip to observe when using the equipment.
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No Creation-No Destruction--All in a Baggie
Students investigate the concepts of conservation of mass and simple chemical reactions. Students complete lab experiments and record all observations as well as conduct experiments on their own to determine which reactions created...
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This One is for the Birds
Students create a bird feeder to form their technological skills and create a better bond with nature. In this nature lesson plan, students use websites, technology, brainstorm ideas, and build models.
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Demonstration of Ideal Gas Law
You know that liquid nitrogen turns into a gas at room temperature. Place some in a two-liter bottle for a physics demonstration of the ideal gas law. Beware, however; this is a dangerous demonstration! Not to mention that you may not...
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Electric Shock
In this electrical worksheet, students answer a series of 17 questions about electrical shock and electrical safety. This worksheet is printable and the answers are available on-line.
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Creating Coacervates
Students create and observe coacervates. In this origin of life lesson, students create coacervates by mixing carbohydrate and protein solutions. They observe the life-like qualities of the structures and discuss the origin of life.
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No Bones About It
Students conduct Internet research on the different parts of the skeletal system. Then they create a model arm that demonstrates how muscle and bone work together to create movement.
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Science Lab Safety Procedures
Eighth graders watch a Lab Safety video and discuss particular questions related to lab safety. Lab equipment is then distributed and the students inspect the equipment and record their finding in their journal. Finally, in groups, 8th...