Teach Engineering
What Makes Our Bones Strong?
So is that what you meant by rubber legs? The activity has pairs subject a chicken bone to vinegar and observe what happens over a period of days. Individuals then write up a lab report and document their observations and findings.
NPR
This Isn't Right: Women Reform Leaders
The 20th century saw many new possibilities open up to women in America, thanks to many well-known female historical figures — and some women who are not as famous but who are equally accomplished. Learn about the women who contributed...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
CK-12 Foundation
Quadratic Functions and Their Graphs: Soccer Ball Trajectory
Determine critical points in the flight of a soccer ball. Pupils use an interactive resource to find the vertex and x-intercepts of the graph of the trajectory of a soccer ball after being kicked. Scholars investigate the trajectory...
Cornell Lab of Ornithology
Investigating Evidence
Explore the scientific process through nature. Scholars become scientists as they develop a question, design an experiment, collect data, and analyze their results. A two-week lesson guides your classes through the process and provides...
CK-12 Foundation
Dependent Events: Cheryl's Birthday
Use dependency to find a birthday. Learners use an interactive to keep track of excluded potential dates of a birthday using information provided to two people about a third's birthday. Scholars then use the dependency between the dates...
CK-12 Foundation
Distance Between Two Points: Segment Addition
Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...
CK-12 Foundation
Points that Partition Line Segments: Cutting a Log
Teach ratios of line segments using an interactive approach. Scholars examine a line segment in the shape of a log and use their knowledge of ratios to divide it into various partitions. As an introductory lesson, the segment has a...
CK-12 Foundation
Angle Classification: Angles in the Game of Pool
Make a game of angle classification. Using the direction of the pool ball, scholars determine the measure of the created angles. They work to create and classify different types of angles throughout an engaging interactive.
CK-12 Foundation
When to Use the Distributive Property: Rational Expressions
Discover how the distributive property applies to division. As learners change numeric values within an expression, the simulation calculates its value. Challenge questions lead individuals to realize the power of distributing the...
CK-12 Foundation
Broken-Line Graphs: Heating Curve of Water
Examine the unique graphs coined broken-line graphs. Using the phase change of water for data, learners answer questions related to the temperature and energy at different times in the cycle of the phase change. Questions focus on the...
CK-12 Foundation
Stem-and-Leaf Plots and Histograms: Digital Photography
Cameras use histograms to communicate the exposure of a photograph. An interesting lesson uses this idea to help learners deepen their understanding of histograms. It highlights the skew of the graphs by showing under- and overexposed...
CK-12 Foundation
Simple Random Sampling: How Many Samples Does it Take to Change a Light Bulb?
Teach the concept of simple random sampling through an interactive lesson. Learners explore the concept by considering the strength of sampling methods. Size of the samples varies also as individuals determine which methods lead to the...
Cornell University
Friction
Friction and gravity are always at odds! Learners complete a set of activities to explore the relationship between friction and gravity. Groups make conclusions about the factors that affect the amount and type of friction between surfaces.
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Library of Virginia
Antebellum Freedom
From indentured servitude to involuntary race-based servitude, slavery has taken many forms in American history. Class members examine three manumission petitions that reveal how the rights of African Americans and African American...
Theodore Roosevelt Association
Theodore Roosevelt: A Presidential Timeline
Throughout his life and presidency, Theodore Roosevelt contributed to the America we know today in so many ways. An adaptable instructional activity prompts young historians to create a chronological timeline of Roosevelt's contributions...
California Federation of Chaparral Poets, Inc
Poetic Devices
Have everything you need to know about the elements of poetry with a nine-page handout. Split into four categories—word sounds, meanings, arrangement, and imagery—budding poets may reference terms, read definitions, descriptions, and...
Howard Hughes Medical Institute
What van Leeuwenhoek Saw
When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....
National Nanotechnology Infrastructure Network
Making a Liquid Crystal Thermometer
Introduce your classes to a fourth state of matter! Liquid crystals have a colorful sheen that changes based on different physical factors. Learners use this information to create a liquid crystal thermometer where the color of the...
US Institute of Peace
Simulation on Peacekeeping in Kashmir: An American Choice
Will the United States take a stand in the Kashmir conflict? A mock meeting of the minds examines a peace proposal between China, Pakistan, and India to determine if the United States should deploy troops to the area. Individuals take on...
State Bar of Texas
Texas v. Johnson
If you saw a person burning an American flag, how would you feel? Scholars analyze the concept of freedom of expression and speech with the Supreme Court case Texas v. Johnson. A short video clip creates open discussion in pairs on the...
Biology Junction
Lab Safety
Do scholars know what to do if a friend suffers an electrical shock? The presentation opens with lab safety and expectations. It includes general safety tips as well as reminders for glassware, chemical, electrical, and heating safety....
Biology Junction
Echinoderms
Turn a walk on the beach into an in-depth biology lesson! Scholars learn about the different classes of echinoderms in an informative PowerPoint presentation. The lesson explains the unique characteristics of the five different classes...