Texas Instruments
Area of Circles
High schoolers explore circles. In this algebra/geometry lesson, students discover the formula for the area of a circle, as they investigate the ratio of the area of a circle to the radius^2.
Curated OER
A Big Purchase
Investigate the process of buying a car. High schoolers will use the internet to find cars that are for sale, that they are interested in, and review each car in detail in order to prepare a 3 page paper on which they give the details of...
Curated OER
Investigating Pot Sherds
Sixth graders measure pot sherds and use their knowledge of Pi to infer possible uses of pottery. They also infer possible functions of ancient ceramics. After tracing rounded pottery pieces onto paper, 6th graders use compasses to...
Scholastic
The Rise of Railroads: Illinois
Railways not only cross the US, but they are also intertwined with the history of America. Using a timeline format, individuals explore the connections between major events in American history—such as the Civil War—and the rise of the...
Scouts
The Deadly Picnic: A Lab on Deductive Reasoning
Whodunnit? Find out who killed Mr. Brooks through a logical examination of evidence. Class members fill out a couple of data tables to help them pin down the suspect. After they've figured out just who the culprit is, pupils compose...
University of Kentucky
The Great Spider Debate
Poor, misunderstood spiders! They are feared, disrespected, and detested by many people, yet they do so many positive things. A great addition to any insect unit, learn about some of the more common spiders, while hopefully dispelling...
Wild BC
The Greenhouse Effect: Warming the Earth Experiment
First in a two-part lesson on the greenhouse effect, this lesson involves a classroom demonstration of the phenomenon, and a lab group experiment with color and absorption. Although there are easier ways to demonstrate the greenhouse...
American Statistical Association
A Sweet Task
Candy is always an effective motivator! A fun math activity uses M&M's and Skittles to explore two-way frequency tables and conditional probability. The candy can serve a dual purpose as manipulatives and experimental data.
Virginia Department of Education
Meiosis
Intrigue the class by completing a lesson plan on meiosis, filled with challenging and insightful activities to spark the interest of every person in the room. Each member of the class learns about genetic disorders due to faulty...
US National Archives
WWII: Western Europe 1939-45 – Occupation
Warsaw, Poland, suffered much of the blunt of World War II—but according to Polish letters from the early days of Nazi occupation, other parts of the country were much worse off. High schoolers use the letters and contemporaneous...
CK-12 Foundation
Multiplying Matrices by a Scalar: Column Vectors
Make connections between vectors and matrices through multiplication. Scholars use the interactive to view the effect of multiplying a matrix by a scalar. The interactive displays the resulting matrix and its corresponding column vectors...
CK-12 Foundation
Pythagorean Theorem to Classify Triangles: Missing Angles
Learn to use the Pythagorean Theorem with non-right triangles. Pupils use the interactive to discover the relationship between the lengths of sides for acute and obtuse triangles. They compare the squares of the sides of the triangles to...
CK-12 Foundation
Distance Between Two Polar Coordinates: Exploring Changes in Angle and Radius
Get straight answers on a curved grid. An interactive has learners apply the Law of Cosines to find the distance between two points on the polar coordinate plane. The pupils use the radii lengths and the angle between the two radii to...
American Physiological Society
Feeling the Heat
How do the changing seasons affect the homes where we live? This question is at the forefront of engineering and design projects. Challenge your physical science class to step into the role of an architect to build a model home capable...
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
Intersecting and Parallel Lines
Sometimes line segments just refuse to meet. Young mathematicians connect houses on an interactive map using line segments. They must then determine whether these line segment pairs are intersecting or parallel.
Chemistry Collective
Virtual Lab: Acid Dilution Problem
There's no risk of injury when working with virtual HCl! Challenge your young chemists with making calculations to create a 3M solution of HCl from the concentrated acid. They first calculate the correct ratios of HCl and water and then...
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problem II
Textbook problems with a twist! Young chemists analyze an ionic reaction to identify the limiting reagent. They then make calculations to determine the concentration of unknown solutions. Finally, they put their work to the test and...
Chemistry Collective
Virtual Lab: Camping Problem I
Hiking chemists have an advantage! Young scholars use a virtual lab to conduct an experiment to create an exothermic reaction. The goal is to create enough heat to warm a meal during a hike in the rain.
Curated OER
Corporal Punishment
Nineteen states legally permit school officials to physically punish children. Scholars learn more about the topic as they use the website to prepare for a class debate or discussion. Pupils read background information and discover the...
EngageNY
Grade 10 ELA Module 3: Unit 2, Lesson 9
Do you know what the plan is? Scholars are now ready to complete the final instructional activity of independent research before finalizing their plans. Ultimately, they turn in all research tool sheets and frames and organize their...
NASA
Christa's Lost Lesson: Effervescence
How are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...
Newseum
Case Study: The Execution of Ruth Snyder (1928)
The case of the 1928 execution of Ruth Snyder takes center stage in a lesson that asks young journalists to consider the ethics involved in publishing an image of an execution. A series of discussion questions ask individuals how they...
Newseum
Is It News?
Is it news or not? That is the question young journalists must consider in a lesson about newsworthiness. Class members watch a short video that details five key characteristics of quality, credible news. Individuals then use these tips...