CK-12 Foundation
Limit of a Sequence: Finding the Limit of a Sequence (Part 2)
What does it mean if young mathematicians cannot put the squeeze on a sequence? Learners investigate a divergent sequence and find the formula for the nth term. Using the definition of a limit of a sequence, pupils try to find the limit...
Colorado State University
What Makes a Gas, a Greenhouse Gas?—The Carbon Dioxide Dance
Investigate a heated topic in environmental science. Scholars team up to play the parts of gas molecules in the atmosphere. As the teacher moves about, acting as the electromagnetic wave, learners react as their molecules would to the...
Teach Engineering
Sugar Spill!
Sugar isn't good for you, but it's great for yeast! Scholars design an experiment to investigate how variables affect the rate of sugar consumption in yeast. The last installment of a nine-part Life Science unit considers how scientists...
Chemistry Collective
Virtual Lab: Determining Stoichiometric Coefficients
Investigate the reaction between four unknown substances using a virtual activity. Eager chemists examine the reaction between the four solutions to build a stoichiometric equation. The virtual workbench provides the tools necessary to...
University of California
Hot Spots Research Project
The Cold War was only between the US and the USSR, right? Wrong! Scholars use primary and secondary resources to analyze the global impact of the Cold War. The fourth installment of an eight-part series culminates in the creation of a...
Gene Jury
DNA Detectives
Police find a man murdered in a local hotel, DNA everywhere, and now they need scholars' help. Budding detectives step into a crime scene playing the roles of victim, suspects, and investigators. They apply knowledge of criminology and...
Council for Economic Education
Inflation Data: Is the Economy Healthy?
What stories do current trends tell about society, fashion, and the future? Scholars investigate the concept of inflation and its impact on the future of the American economy. They compile current economic data to determine the level of...
Annenberg Foundation
Colonial Designs
The adventures of the New World came at a cost for Native Americans. Scholars investigate the economic side of settling the European colonies. Using video clips, statistical evidence, and primary sources, they create hypotheses and...
Annenberg Foundation
Antebellum Reform
Scholars investigate the Antebellum period in the United States in an engaging lesson. Groups analyze technological, religious, economic, and social changes occurring during the time period prior to the Civil War. Using their new...
Florida Department of Health
Safe and Happy: Safety for All at School and Online Unit
Bystander or upstander and advocate? Three lessons have high schoolers investigating data about bullying and school safety. Participants then learn how to take a stand against bullying and use what they have learned to create a PSA to...
Curated OER
Crazy Critters
Eighth graders visit a local park to collect insects. They record the habitats, identify the insect and write a report including the kingdom, phylum, class, and order.
Curated OER
Deceleration of a Toy Truck
Eighth graders complete labs using toy trucks to study deceleration, record thier data, and then transfer it to graphing software to produce a graph. They create a lab report of the completed lab using a word processing program.
Curated OER
Properties of Materials- Leaky Pipe
Pupils are presented with a problem of an industrial site is losing water through a pipe leakage. They need to find an appropriate material to seal the joints. Working in groups, they analyze the situation, collect additional...
Curated OER
Inquiry and the Nature of Science
High schoolers identify questions that can be answered through scientific investigations, design and conduct a scientific investigation. They also use appropriate tools and techniques to gather, analyze, and interpret data.
Curated OER
High School Marine Science at its Best: Research Collaboration
Students formulate a more accurate understanding of the true nature of scientific research and the challenges and rewards of field investigations.
Curated OER
Reading Clues
Critically Evaluating Alarming News students use a guided reading strategy to explore news articles about the Washington-area sniper attacks, and conduct a roundtable discussion to investigate public reaction to the case. October 17, 200
Curated OER
Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Curated OER
Investigating Bean Pods and How They Grow
Third graders observe and create a record of seed growth over time. After planting a seed, 3rd graders record their observations of the seed's growth over a three week period. Upon conclusion of the experiment, they write a paragraph...
Curated OER
Investigative Case: The Nancy Creek Challenge
Students examine a case study of fish kill in Nancy Creek and identify the environmental conditions that favor life in a fresh water ecosystem. They work in small groups to assess the situation and gather resources from various places in...
Curated OER
Two Investigations of Cubic Functions
Through learning about cubic functions, students graph cubic functions on their calculator. Students determine the local maximum and minimum points and the tangent line from the x-intercept to a point on the cubic function. Students...
Curated OER
Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
Curated OER
Cardiac Arrest! Using Forensics to Investigate Cardiovascular Anatomy and Function
Learners identify the different parts and functions of the cardiovascular system. In this forensics lesson, students collect and analyze evidence on a fictional crime. They describe different causes of cardiac arrest.
Curated OER
Reporting Crime To Authorities
Students review how laws protect people from harm and loss of property. Students discuss and explain the infromation needed when making a report to authorities about a theft or bodily harm. A dialog is created and role played. This...
Curated OER
Investigate Non-native Neighborhood Invasion Species
Students investigate non-native species that are invading local or state environments. They choose one species to research and report on.