Teach Engineering
Light Intensity Lab
Let there be light. The last installment of a seven-part series has pupils conduct an experiment on light attenuation through different numbers of transparency sheets. They then relate the results back to how X-rays measure bone density.
Alabama Learning Exchange
Can You Solve the Mystery of the Variable?
Solving a murder is like isolating a variable. Using a video on a murder mystery, the narrator introduces the idea of solving a literal equation for one variable. After solving several equations, the class comes up with a set of...
Teach Engineering
Clay Boats
Clay itself sinks, but clay boats float. Why? Young engineers build clay boats to learn about buoyancy. They test the weight the boats can hold using washers and then tweak their designs to make improvements, following the engineering...
Teach Engineering
Start Networking!
Class members create their own social networks by collecting signatures before graphing the interactions with their fellow classmates. The degree distribution of the simulated social network is determined by calculating the degree of...
Curated OER
My Math Curse!
Math novices examine how math can help them in real-world situations. They listen to the book The Math Curse by Jon Scieszka, solve various word problems from the book, explore various math websites, write original math word problems,...
Curated OER
How Safe is that Fresh Autumn Cider?
Corn stalks and pumpkins, caramel apples and cider, falling leaves and brisk nights. There are a few of autumn's favorite things. But how safe is that unpasteurized cider bought at the roadside stand? Young researchers investigate the...
KOG Ranger Program
How Things Burn
What is the fire triangle? Young ranger learn about the three elements needed to start a fire and keep it going (heat sources, fuel sources, and oxygen) with a class demonstration involving a candle in a jar.
Curated OER
Blast Off
Students investigate how rocket thrust is generated with propellant. They listen to a teacher-led lecture, discuss Newton's third law of motion, answer discussion questions, and view photos of rockets and rocket designs.
Curated OER
Efficiency Means Getting More for Less
Middle schoolers measure water and make predictions about efficiency.
Curated OER
Snacks 'R Us
First graders experiment with fat content by analyzing snack foods. They learn what makes up a nutritious snack.
Curated OER
Wheels and Rainbows
Fourth graders produce 4 small works of art that be pasted or glued onto the back of the colored construction paper. They choose crayons, watercolor markers, watercolor paints, or colored pencils to produce their designs.
Curated OER
Can You See It, Touch It, Hear It?
Students develop and practice observational skills through lab activity.
Curated OER
Float My Boat
Fourth graders, in groups, experiment with density and the displacement of water by creating and designing their own boats and seeing which boat holds the most centimeter cubes without sinking..
Curated OER
Conservation Station
Second graders, in groups, measure the volume of four containers that vary in shape and size.
Curated OER
Rockets
Students explain the basics of rocketry and explain the relationships between mass, acceleration, and thrust.
Curated OER
Going-to-the-Sun Road, Glacier National Park, Montana
Students explore the background behind the building of the access roads to the National Park in Montana. The arguments for the building of these roads in wilderness regions and the environmental issues involved are examined.
Curated OER
Density of a Gas
Eighth graders investigate the mass, volume, and density of a gas by producing it in a chemical reaction. The entire Density of a Gas Lab and L section of the K W L chart be formatively assessed.
Curated OER
Bennington Battlefield
Students explore the characteristics of the area around the battlefield and the groups who participated on both sides of the battle. The relative importance of manpower, motivation, and leadership in the outcome of a military conflict is...
Curated OER
Forest Management
Students analyze physical and biological changes in the Sequoia forest ecosystem, especially logging and fire management practices. They evaluate the controversy of how logging and fire management should be conducted in the Giant Sequoia...
Curated OER
Forest Management
Students explore the changes in the Sequoia forest ecosystem. They evaluate reasons for the changes and discuss opposing views of human activity, logging and fire management practices. Students observe a video, describe the location of...
Curated OER
Adding and Subtracting Matrices
In this adding and subtracting matrices worksheet, students add 2 sets of matrices and subtract one. They are introduced to the rules of adding and subtracting matrices.
Alabama Learning Exchange
As If Numbers Weren't Complex Enough Already!
The class explores the concept of complex numbers on a website to generate their own Mandelbrot sets. They will practice performing operations with complex numbers and then to get a visual understanding, graph the absolute value of a...
Curated OER
Arsenic and Lead Scavenger Hunt
Health wizards read and discuss an article about lead contamination then come up with a plan to help solve the problem. They get into groups to develop a community solution within the parameters of a budget, feasibility, and the source...
Curated OER
The Cotton Gin
High schoolers are introduced to an early American inventor, Eli Whitney, and his experiences with the Patent Office. The economic importance of the cotton gin and its impact on slavery are also addressed.