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Ice Cold
High schoolers design and conduct an experiment to investigate what happens when salt and ice come together and to determine if one form of salt is better for melting ice on steps and sidewalks.
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Snell's Law
Students determine whether the index of refraction of sample of Corn Syrup meets Federal standards. This task assess students' abilities to explain the procedures for investigation, plan for recording and organizing observations and...
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The effectiveness of Antacids
Students design and conduct a scientific experiment to test which of four antacids would be most effective for neutralizing acids. They rank the antacids in order from most effective to least effective and explain how they determined...
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Hydrated Salt
Learners plan, design, and carry out an experiment to determine an empirical formula for a hydrated salt X that tell students when all the water has been removed from hydrate crystals.
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Catalase Enzyme
Pupils design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme activity....
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Car Wash
Learners determine the most appropriate site for a car wash, based on each site's soil characteristics (chemical, physical) and topographic features. They perform an experiment to determine the changes to three different soil types when...
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That's the Way the Ball Bounces
Students investigate and compare the bouncing ability of the materials from which four different balls are made. They determine which material performs the best for use as a basketball. After collecting data in a small group they...
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Coat Caper
Students examine pollen and fibers taken from a garment. They analyze pollen from new hybrids and compare it to the samples from the garment then make individual conclusions concerning the specific historical authenticity of the garment.
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Plants
Learners illustrate the major parts of a plant, classify some plant foods we eat as roots, stems, leaves, flowers, fruits and seeds. They also name some animals that use seeds, leaves, and fruit for food.
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Great Gravity, Batman!
Eleventh graders are introduced to the effect of gravity on plant growth. They describe the major processes and mechanisms by which plants grow, develop, and supply various products, including energy and nutrition, needed by other...
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Mixtures
Students observe that movement of a solute in the solvent increases the rate of dissolution. They demonstrate that when the solute is broken into smaller pieces it dissolves faster.
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Cyanobacteria Races: Cyanobacteria Motility Experiment for a Classroom
Learners experiment to determine the effect of light on cyanobacteria movement. They graph the data of the experiment for further analysis. They watch a time-lapse video of cyanobacteria motility at a NASA website.
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Unit 0 Review - Measurement Lab Equipment
Review questions like these can be used in your biology, chemistry, physics, or earth science classes! They assess scientists' understanding of laboratory measurement tools including graduated cylinders, thermometers, and balances. They...
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Alcoholic Fermentation in Yeast
Biology learners investigate the effect of sucrose concentration on yeast alcoholic fermentation. During the lesson,they compare and contrast the processes of cellular respiration and alcoholic fermentation. They design an experiment to...
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How to Think Like a Scientist
Fifth graders study the scientific method and understand how to apply it. In this "thinking like a scientist" lesson students complete several activities.
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Multiplying Microbes
Ninth graders investigate the techniques of culturing bacteria. They culture bacteria using agar plates. Students identify and describe some environmental conditions that effect bacteria growth.
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The Scientific Method
Students study the steps involved in the scientific method. They apply the scientific method to their science fair projects.
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Investigating Velocity Effects at Takeoff
Young scholars use, with increasing confidence, problem-solving approaches to investigate and explain mathematical content. They make and test conjectures. They use tables and graphs as tools to interpret expressions, equations, and...
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His and Her-bariums
Pupils collect and identify plant species from campus, create a home herbarium, and compare with the plant species from school.
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Alfalfa Butterfly/Caterpillar Lifecycle Investigation
Young scholars collect and record data. They identify sex of butterflies. They make conclusions based on collected data.
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Schoolyard Bird Project
Students observe and count bird sightings around their schoolyard throughout the school year.
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Exploring Muscle Action in the Human Body
Students collect and graph data and use the internet to research the skeletal muscles.
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Alcohol and Pregnancy Don't Mix!
Seventh graders learn about John Kellerman, a youngster who was born with Fetal Alcohol Syndrome. They learn how alcohol and pregnancy doesn't mix.
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Drugged Out Daphnia
Ninth graders participate in experiments to investigate the the effects of nicotine, caffeine, aspirin, alcohol, and sleeping pills on the heart rates of Daphina. They describe the relationships between common drugs and heart rates....