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Reaction rates and Equilibrium
Students listen to a lecture on the collision theory. They discuss the reactant and product changes during a chemical reaction. Students are taught the factors affecting reaction rates. They complete a lab on entropy, heat and free...
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Matter
In this matter activity, students are given 10 sentences with italicized terms that are wrong. Students correct the terms to appropriately fit the sentences. Topics are related to matter such as physical and chemical properties, solids,...
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Le Chatelier's Principle
In this chemical reaction instructional activity, students apply Le Chatelier's Principle to explain how the given changes in reaction conditions will affect the position of equilibrium. This instructional activity has 6 problems to solve.
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Calorimetry Worksheet
In this calorimetry instructional activity, students determine the change in enthalpy, sketch the heating curve, and determine the specific heat and heat of fusion for a given compound. This instructional activity has 4 problems to solve.
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What's The Matter?
Fourth graders accurately describe various states of matter, Through experimentation, they change a variable to create a new state of matter. Students record their observations about the way matter is changed and the changes that occur...
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Vitamin C Testing
Students determine which of three beverage samples contains the most vitamin C. They then apply their knowledge to an additional situation. Students use beverages that have a large, definite difference of vitamin C content to...
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Science Investigation Using Water Quality
Eighth graders conduct an experiment that analyzes the physical and chemical characteristics of various water samples. They discuss the procedures and safety concerns for the water test, and test their water samples to determine if they...
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Genetics 4 Mutations
Students identify and illustrate how changes in DNA cause mutations and evaluate the significance of these changes. They illustrate a chromosomal mutation such as duplication, deletion, inversion, and translocation.
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Ziplock Chemistry
Students participate in an experiment in which the substances are sealed in a plastic bag. Watching the experiment, they determine why the chemical reaction is taking place and calculate the temperature change. To end the lesson, they...
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No Impact Project: Water
Students use the "No Impact Project" to analyze the consumption of water. In this water consumption lesson, students discuss the pros and cons of tap water or bottled water. Students read about chemicals in water and watch a video clip...
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Weathering Landforms
Fifth graders brainstorm a list of ways the Earth's surface can change. As a class, they are introduced to the concepts of erosion and weathering and discover how wind and water cause changes to the surface of the Earth. To end the...
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The Water Cycle and Global Warming
Students study the flow of water in the environment. In this water cycle lesson students evaluate the consequences of changes in the water cycle using data.
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Mountains of Erosion
Learners study the change in land formations due to water erosion. They work in groups to build a model of a mountain that will be composed of materials that will best withstand water erosion.
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Will it Stretch?
Students explore elasticity and describe the effects of temperature changes on physical properties. In this rubber band stretch lesson students complete an experimental activity and show their results.
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Wave Erosion Lesson
Fourth graders examine the effects of waves as they erode coastal land. They discover how the power of water can change the appearance of land formations.
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Environmental Chemistry
Eighth graders are introduced to the topic of Environmental Chemistry. In groups, they review the steps within the scientific method and develop their own hypothesis and design an experiment. They solve equations related to the...
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Paper Chromatography
Young scholars use this design the illustrate how ink can be separated into its component chemicals using paper chromatography. They use five unknown samples of ink on pre-labeled chromatography strips are provided to students. Young...
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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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Ecological Relationships
Students identify ecological elements and their factors on species, populations and food webs. They analyze ecosystems for these elements and research how these factors influence species survival rate. Predictions on conditions over time...
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Cricket Dissection
Students conduct an experiment to test the effects of various chemicals on breathing and to practice animal dissection. They carefully dissect house crickets to identify the breathing structures and determine their rate of respiration....
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Water Pollution
Fifth graders observe and record what happens when household products are added to a tank of water to depict water pollution. They brainstorm ideas of how to clean the contaminate out of the water before watching demonstrations of...
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Where in the World is Carbon Dixoide?
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
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Using Spectrophotometers to Examine Photosynthetic Rates
Students examine how photosynthetic rates can change by using different qualities of light. They practice using spectrophotometer and the scientific method to detect the absorbance values in light treatments.
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Le Chatelier's Principle
In this chemical reactions learning exercise, learners apply the Le Chatelier's principle to determine the equilibrium shift in the reaction based on specific changes to the system. This learning exercise has 2 short answer questions and...
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