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Water-holding Capacity of Earth Materials
Students 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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Survival
Young scholars determine the best material from which to make a jacket to keep the body warm in a cold, dry, windy climate. This task assesses the student's abilities to perform an entire investigation.
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Ice Cold
Students 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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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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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
High schoolers 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...
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Movement of Air Mind Map Activity
Students explore the movement of air. In this air activity, students discuss and give examples of air ventilation. Students compare outdoor and indoor air quality. Students create mind maps as a visual representation of...
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Buoyant Force
Students investigate the scientific concept of why some objects float when put in a liquid solution. They apply the laws of motion and force while conducting classroom activities. Students also take notes and answer target questions to...
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Exploring Magnetism
Students participate in several activities that allow them to better understand magnetism. In this exploratory lesson students take part in different activities to help them to better understand magnetic fields, circuits and...
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Butterfly Round-Up
Students classify the characteristics of butterflies and moths moths. In this life cycle lesson, students identify butterflies and moths common in the state of Iowa as well as their characteristics. Students then learn the proper...
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Carbon Dioxide Heats It Up
Students design an investigation to test whether vegetation in an area helps regulate the ambient air temperature. They make comparisons between the investigation and global changes in climate. In groups, they present their findings to...
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Maintaining Plant Genebanks
Students examine the use, costs, and the need for plant gene banks. The rationale for gaining ownership over scientific information and the implications of the developing nations' reliance on biotechnology is explored in this lesson plan.
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Judicial Review
Student demonstrate understanding of both sides of the argument between Jefferson and Marshall that led to the strengthening of the Judicial Branch through the creation of judicial review. Unit is comprised of five lessons and fits into...
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The Emergence of the Judicial Branch
Students demonstrate understanding of both sides of the argument between Jefferson and Marshall that led to the strengthening of the Judicial Branch through the creation of judicial review.
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Solids, Liquids, and Gases
Pupils explore the three main forms of matter: solid, liquid, and gas. They examine concrete examples of each, using their five senses and "experimenting" to find differences in them. They find pictures of each, cut them out and past...
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DNA in a "Snap"
Pupils observe a model of DNA and answer probing questions like, "What does this model represent?" They then work in small groups to construct an accurate model of DNA per rubric provided and present to the class explaining their model...
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How Do The Colors of Light Mix?
Students investigate the mixing of light. They form a hypotheses to reason why color changes occur and they write conclusions and ask new questions arising from the investigation. Students identify the primary and complementary colors of...
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Discovering Physical Changes
Fourth graders determine what is meant by a physical change, and they demonstrate how they can make physical changes. They complete activities at stations that entail changes in color, size, texture, hardness, or state of matter. Using...
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Introduction to Toxicology
Students explore the science of toxicology and the relationship between a toxic reaction (response) and amount of substance (dose). They observe two demonstrations illustrating the concept of dose-response.
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Child Labor in America
Students interpret historical evidence presented in primary and secondary sources. In this child labor lesson, students examine the issue of child labor and determine how citizen action prompted...
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Does Weight Affect Drag?
Students investigate how weight affects a parachute's rate of fall. In this investigative lesson students test parachutes, average results and conclude what makes a faster descent.
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Study of Projectile Motion using Straw Rockets
High schoolers design and launch their own rockets. In this experimental lesson students launch their own rockets and record the various angles and distance that they go. Each student has time to redesign their rocket and...
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Personal Artifacts
Ninth graders put their observation skills to work. In this observation skills lesson, 9th graders examine personal artifacts that their instructor has gathered. Students take notes on the artifacts they analyze and write lab reports...
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