Curated OER
The Floating Egg Problem
This is the grown-up version of the classic "float an egg in salt water" experience, plus an experiment in soap making. High schoolers explore density, but more importantly, practice accuracy, precision, and the use of significant...
Curated OER
Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
Curated OER
Estimation and Significant Figures
High schoolers investigate the importance of significant figures through measuring and estimating. In this estimation and significant figures lesson plan, students measure pieces of paper and round their figures to the nearest marking on...
Curated OER
Moles Lab Activities
General chemistry class members engage in a mini-unit on mole conversions. Through nine lab activites with varying degrees of difficulty, they practice measuring mass and volume, molar calculations, and stoichiometry. Terrific...
Curated OER
Hydrogen Peroxide Analysis
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
Curated OER
Gas Law Investigation
Investigators collect the carbon dioxide produced when an antacid tablet is activated and identify what alteration produced the most gas. They also collect the gas in a buret in order to practice precision. Then they choose between two...
College Board
Power in Tests of Significance
Test your knowledge of tests of significance. A curriculum model for AP® Statistics describes and defines power in terms of tests of significance. It also provides two classroom activities designed to investigate power and how it relates...
Cornell University
Thin Films
Combine mathematics and science to calculate measurements of unmeasurable materials. Individuals use knowledge of density and volume to determine the thickness of the film used in production. They also apply stoichiometry to...
Curated OER
Measuring the Earth
Students use principles of geometry to measure the circumference of the Earth. In this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central angle, and...
Smithsonian Institution
A Ticket to Philly—In 1769: Thinking about Cities, Then and Now
While cities had only a small fraction of the population in colonial America, they played a significant role in pre-revolutionary years, and this was certainly true for the largest city in the North American colonies: Philadelphia. Your...
Curated OER
Target Earth
Space scientists use water displacement to determine the mass of a cubic centimeter mini meteorite, and then use it as a small-scale representative of an asteroid. They figure out the orbital velocity of an asteroid. Then they use a...
Illustrative Mathematics
Chicken and Steak, Variation 2
Many organizations put on barbecues in order to make money. In a real-world math problem, the money allotted to purchase steak and chicken at this barbecue is only one hundred dollars. It is up to your potential chefs to figure out how...
Curated OER
Happy Birthday!: Internet Research and Historic Events
Talk about intrinsic motivation! Begin where your students' natural interests lie -- with themselves -- and launch a variety of projects with this activity. Class members research important events that took place on their...
Curated OER
Retelling Information
This scripted lesson suggests using the journalist’s five W’s (who, what, when, where, why) to teach readers how to summarize a story and to how to distinguish between significant and supporting details. A template and rubric are...
Curated OER
George Custer Activity
George Custer was an interesting historical figure. Learners find out more about his life with a web quest, which presents historical perspectives and contributions of George Custer. They participate in a Custer Q and A session with the...
Curated OER
Greenhouse in a Bottle
Young atmospheric scientists create models of an atmosphere with and without clouds to determine the effect of cloud cover on Earth's temperatures, as well as figuring out whether dark or light surfaces absorb more energy. You may wish...
Curated OER
Graphical Determination of Density
Students determine the density of metal shot by a graphical method using significant digits in making measurements and calculations. Students graph a seris of laboratory measurements and determine density from a mass verses volume graph.
Curated OER
Mathematical Techniques - Basic Graphing
Students are introduced to significant figures and how to add, subtract, multiply and divide them. In a group, they practice plotting data points from a table to a graph and labeling all axes. They calculate the slope and y-intercept and...
PBS
Scavenger Hunt
Learners conduct field research of a historical site in order to discover a more complete understanding of a time period. They visit a site of historical significance and complete a scavenger hunt about the area.
Curated OER
"ART ZOO 'Blacks in the Westward Movement', 'What Can You Do with a Portrait', and 'Of Beetles, Worms, and Leaves of Grass'"
Students study black history, examine portraits and portrait making and create their own portraits, and investigate their natural environment. This humanities lesson provides a text that can be used to teach lessons in black...
Curated OER
Investigating History with Kidd Gloves
Students act as historical archeologists and use their analytical skills to deduce, from lists of items related to historic figures, accurate details about the lives of those people.
Curated OER
Art and Culture
Students compare and contrast the ways in which human figures are portrayed in rock art made by ancient Native American artists and in the drawings and paintings of historic European and American artists. They use images to identify...
Curated OER
Denser Sensor
Fourth graders calculate density, compare densities of solids and liquids, measure liquids using a balance, and investigate the significance of density. They conduct an experiment to determine an order of densities, and complete a...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...