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The effectiveness of Antacids
High schoolers 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...
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Hydrated Salt
High schoolers 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
Young scholars 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...
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Car Wash
Students 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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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
Young scholars 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
Students 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
Young scholars study the steps involved in the scientific method. They apply the scientific method to their science fair projects.
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His and Her-bariums
Students 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
Students 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
Young scholars 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....
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Fertilizer Frenzy
Ninth graders design and conduct an experiment. They evaluate other's experiments. Students describe relationships between biological systems and the environmental contaminants. They work as a team to solve a problem.
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Why did the can crush?
Students watch a demonstration to ascertain why a soda can crushed. They make observations and hypothesize about why a soda can crushed and relate the difference in pressure to its affect on objects around us (soda can). Explanation is...
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Experiment Report (Normal Form)
Here is a handy handout to give any science class as a guide to writing lab reports. It is a blank outline that you can have aspiring scientists fill out when they experiment, or imitate as they record their experiments in a lab journal....
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Alice Magic Cake
Using a famous children's story as the hook, learners explore the concept of changes in matter. First, they make a cake similar to the one made by Alice in the story Alice's Adventure in Wonderland by Lewis Carroll. Next, they let their...