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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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20th-Century Astronomy
High schoolers examine and explain how the distance to nearby stars can be measured by the parallax method, discuss the role of women in the history of American astronomy, form their own opinions of the importance of Harlow Shapley and...
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Electromagnets
Students improve their science skills by designing an experiment for the relationship between electricity and magnetism. In this science skills lesson, students discuss the scientific method and use the given materials to complete an...
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Drops of Water On a Penny
In this science worksheet, learners learn about surface tension by performing an investigation with drops of clean and soapy water on a penny.
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Separation of Unknowns in a Liquid
Students identify chromatography as method of separating the components of a liquid. Students discover that dyes are composed of more than one component in achieving a particular color in these lessons on paper chromatography.
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What's the Attraction?
Students experiment with magnets to determine the distances at which they attract and repel each other.
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Examine the Data
Seventh graders examine a teacher-created database and identify specific variables and develop hypothesis statements as to their possible effect. They create a summary statement either proving or disproving their hypothesis.
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Lesson 2 - Design Process-Measuring Wind Speed
A terrific lesson focused on the design process. It begins with a presentation, "Design: Solve a Problem," which lists the steps of the process and then introduces the specific challenge: to build a device that measures wind speed....
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Evaluating Observations and Measurements
Third graders review the scientific method and how and in which steps scientists use observations and measurements. Then as a class, they hypothesize which ramp will send the car the farthest. They break into groups and send cars down a...
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With Liberty and Top Soil for All
Students describe the need of plants to have water, soil and sunlight to grow. They use the scientific method when completing experiments. They identify the core democratic values that are needed for a democracy to grow and compare them...
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Yeast Cells and Their Environment
Middle schoolers create their own experiment in which they have yeast cells growing in liquid environments. They examine the relationship between humans and microorganisms. They also practice using the scientific method.
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Radish Seed Garden
Fifth graders explore the effects of overpopulation in an ecosystem while applying the scientific method. They discuss overpopulation and its meaning. Students as an organism competes for space in an overpopulated area. They plant...
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Slingshot Characterization Experiment
Students set up and conduct a scientific experiment to demonstrate data collection. In this scientific process lesson, students complete an activity with the specific objective of using a slingshot to fire a t-shirt into the crowd at a...
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The Greenhouse Effect and Me: How Do We Affect Each Other?
Ninth graders create a model of greenhouse effect in the lab. In this integrated science lesson, 9th graders investigate the different variables affecting this condition. They research about global warming and prepare a PowerPoint...
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Hare vs. the Tortoise
Seventh graders identify and create questions and hypotheses, dependent and independent variables and form a conclusion that can be answered and tested through scientific experimental investigation. In this relationship lesson, 7th...
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Farming in a Fishbowl: How Ethnic Groups in
Seventh graders research Chinese agricultural needs and practices. They conduct an experiment with aquaculture and germinated rice as they take measurements and apply the scientific method.
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Separation of Unknowns in a Liquid
Students identify the different components of a given sample using chromatography. In this chemistry lesson, students compare paper and column chromatography. They collect data and construct data tables.
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Exponents
Ninth graders solve problems involving exponential functions. For this algebra lesson, 9th graders apply their knowledge of exponential properties to add, multiply, divide and subtract exponential functions. They perform these operations...
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An Introduction to Sensors
Students research the International System (SI) of units of measurements. They make measurements using the metric system. They study key concepts used in building and use of sensors, how sensors work and their role in measuring...
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Building a Pill Bug Palace
Students make "pets" of isopods (potato bugs) to determine their preferred environment and food sources. They record their results on a bar graph and in a scientific report.
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Current Thinking About Magnets
Students construct their own magnet and wire device. In this inquiry lesson, students investigate the factors affecting the strength of magnetic forces. They manipulate different variable to determine their effect.
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Experimentation with Teratogens on Zebrafish
Students compare mitosis and meiosis with regard to chromosome number in parent cells versus daughter cells, types of cells produced, total number of cells produced, and the number of divisions. In groups, identify and differentiate the...
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Chemical and Physical Changes
Eighth graders investigate different gas behaviors. In this chemistry activity, 8th graders describe how changing volume and temperature affect gas particles motion. They collect data and make a generalization about these variables'...
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Classroom Science Fair Project
Students explore the skills and information needed to complete a science fair project. They follow guidelines to create an document their science fair project.