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Watershed Works: Unit 3
Geology whizzes observe the effects of change within a model of a watershed. They place replica waste dumps within the models and note the path that the waste takes as water passes through. This detailed lesson plan provides teacher...
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Velocity of Traffic on Highway 26
Physics fanatics time five cars as they pass on the highway. They use the times and a 20-yard distance to calculate velocity. They also graph distance vs. time. A page of student pre-lab questions is provided in addition to the activity...
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Investigating Mitosis in Allium Root Tip Squash
Preparing the root tip samples is the most challenging part of the mitosis-viewing lab found here, but the directions help ensure you have everything you need. There is no worksheet included; however, there is a sample data table....
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Rate of Solution Demonstration
Students explore the factors that can increase the rate of dissolution for a solid. They complete a laboratory exploration in which they compare the dissolution rate of a whole sugar cube to that of a crushed sugar cube in a variety of...
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Hand washing Laboratory Activities
Learners are exposed to the benefits of many antimicrobial soaps to prevent infections. In the food-service industry, studies indicate that inadequate hand washing and cross-contamination is responsible
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Use It or Lose It
Students explore the effects of resistance training on the muscles. Data on the muscle mass of rats is examined is graphed to determine any increase in mass due to training.
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Archaeology
In this archaeology worksheet, students answer 8 questions about archaeology. For example, "How are most archaeological sites discovered?"
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Diffraction of Laser Light, Polarization and Color Filters
Students investigate light behavior by conducting a series of experiments. In this physics instructional activity, students calculate the wavelength of the light source using an equation. They determine what color is produced when light...
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Paper Towel Testing
Students discuss whether there are variations in absorbency and wet strength amount different brands of paper towels. They compare advertising claims and personal preferences and perform tests to reach a conclusion of which brand is the...
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Rover Races
Students simulate driving a rover on the surface of Mars. For this space science lesson, students identify the challenges experienced by astronauts in operating a vehicle. They recommend some changes to make their 'rover' better.
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Insects: Bugs, Science, Entomology
In this lesson, insects are explored through reading of children's literature, classifying insects versus non-insects, drawing and painting various insects, and learning how to clap to certain rhythms while reciting insect names.
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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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What is the Rock Cycle and Its Processes?
Geology beginners examine three different rock samples and determine their origin by their characteristics. By making and recording observations, they become familiar with features of igneous, metamorphic, and sedimentary rock types....
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Cells and the Cell Membrane
Students investigate the properties of cell membranes by isolating the membrane surrounding chicken eggs. They set up an experiment by placing eggs in a vinegar solution for three days. A powerpoint lecture emphasizes the structure of...
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Smears
In this biology worksheet, students are shown how to prepare a smear and then answer some review questions that address the proper preparation of a sample.
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Animal Biotechnology
The roles of animals in biotechnology and the animal products that we use are described on these slides. Students will be interested by the different options given about culturing animal tissues and components of non-living systems. This...
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Off the Grid
Students examine the advantages and disadvantages of renewable and non renewable energy sources. In this engineering lesson students explain what it means for a house to be "off the grid".
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An Introduction to Microbes and Microbes Are Everywhere
Seventh graders define the term microbe. They identify the five main groups of microbes. Students give examples of ways in which microbes have impacted or currently impact human life. They create a hypotheses for where they expect to...
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What Does the Sun Give Us?
Pupils study the sun and how solar energy works. To learn about renewable energy, they complete a lab activity using a pizza box as a solar heater. Quite clever!
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Bicycle Wheel Gyro
Using a bicycle wheel and a rotating stool, young physicists experiment with angular momentum. This is a simple, fun, and educational activity that demonstrates a foundational concept. If you can secure the materials, it is definitely...
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Illustrated Safety Contract
Students create illustrated contracts that spell out chemistry lab safety rules. They create original drawings illustrating one of the safety rules published by Flinn Scientific.
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Are You What You Eat?
Young scholars observe what happens to the pigment of the Manduca when food coloring is added to their diet. They discuss how coloration affects their lifestyle. They answer questions to complete the lesson.
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Enzymes and Catalysts
Students discuss the functioning of the digestive system and the specific enzymes present. They observe the action of amylase on starch to identify characteristics of enzymes then perform an experiment on the effects of temperature on...
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DNA Structure and Extraction
Learners see DNA as a physical building block of organisms and comprehend the basic structure of DNA and the specific components in its structure. They can explain the specific nature of base-pair matching in DNA and that DNA bases form...
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