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.
Teach Engineering
Restriction Enzymes and DNA Fingerprinting
Show your class why restrictions aren't always a bad thing. In the third segment of a four-part series, the instructor develops the idea of restriction enzymes. Pupils learn how scientists use restriction enzymes in DNA analysis and DNA...
College Board
AP® Computer Science: A Picture Lab Student Guide
How do you modify digital pictures? In this lab learners write methods that modify digital pictures. They how to traverse a two-dimensional array of integers or objects, and are introduced to nested loops, binary numbers,...
Teach Engineering
Building an Electromagnet
Your pupils can build their own electromagnet — awesome! The culminating activity in an eight-part series challenges groups to design and build their own electromagnet. The goal of the activity is to build a magnet capable of picking up...
Teach Engineering
Cell Membrane Structure and Function
Teach your class how to get out of a cell — or break in. The third installment in a seven-part series introduces the class to cell membranes and their functions. The lesson plan includes information to present to the class,...
Code.org
Minecraft Hour of Code
Devote an hour to computer coding ... it's time well spent! The activity has young computer scientists write code to solve puzzles in the Minecraft game. They learn how to apply block codes and repeat loops.
Discovery Education
Make it all Better!
Discover how innovations can help your school and community. In the three-part STEM lesson, scholars learn the meaning of innovation and brainstorm innovations in their schools. They identify issues in their communities and think of...
Code.org
Looping and Simulation
Young computer scientists continue programming with while loops by creating a program to simulate coins flipping.
Teach Engineering
Amusement Park Ride: The Ups and Downs in Design
Groups design the ultimate roller coaster by considering potential and kinetic energy. They test their designs using marbles and then go on to rate each group's design based on aesthetics, loop diameter, and cost.
Teach Engineering
Statistical Analysis of Flexible Circuits
Scholars connect statistical analysis with flexible electric circuits. They first learn about flexible circuits and their applications through a PowerPoint presentation and then consider how the fabrication process for these circuits...
Code.org
Rapid Research – Data Innovations
Scholars conduct research into a computing innovation of their choice and figure out how it uses data. They prepare brief reports of their research in the second installment of the series.
Teach Engineering
Piezoelectricity
What effect makes children's shoes light up? Answer: Piezoelectric effect. Here is a PowerPoint presentation that describes piezoelectric materials as being able to convert mechanical energy to electrical energy. Individuals learn how...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Teach Engineering
Chair Design
Can you design the perfect chair? Scholars apply the engineering design process to design and build a prototype of a new type of chair from wires. They test their designs with a wooden artist model or stuffed animal.
Teach Engineering
Considering Trade-Offs and Maximizing Efficiency in a Fast Food Restaurant
Make fast food restaurants even faster. Groups consider trade-offs when maximizing efficiency in fast food restaurants. Restructuring schedules and floor plans, as well reassigning job duties, all fall under this directive.
Teach Engineering
Bone Density Math and Logarithm Introduction
What do logarithms have to do with bone density? Scholars learn that the equation for bone density includes logarithms. The majority of the third instructional activity of seven is devoted to logarithms and their properties.
Teach Engineering
Linear Regression of BMD Scanners
Objects may be more linear than they appear. Scholars investigate the relationship between the number of bone mineral density scanners in the US and time. Once they take the natural logarithm of the number of scanners, a linear...
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.
Teach Engineering
Connect the Dots: Isometric Drawing and Coded Plans
Individuals discover how to draw cubes on triangle-dot paper. They use cubes to build structures and draw corresponding isometric drawings on dot paper in the second lesson of the series of five. The activity also introduces the concept...
Teach Engineering
Let's Take a Spin: One-Axis Rotation
Investigate the effect of one-axis rotations on geometric figures. Scholars learn to use snap cubes and the right-hand rule to draw figures after rotations about the x-, y-, or z-axes. They try their hands at examples created by the...
DiscoverE
Build a Candy Dispenser
Everything in moderation, especially candy. Scholars design and build a dispenser for candy. But, they can't get too carried away—only three or four pieces of candy can come out of the dispenser at one time.
DiscoverE
Helping Hand
Sometimes we all need a helping hand. Scholars get together to lend a hand in creating an assistive device that must be able to grab a hard-to-reach object. Now that's some help we could all use!
Teach Engineering
Efficiency of an Electromechanical System
How efficient is a motor in a LEGO set? Future engineers conduct an activity where a LEGO motor-generator system raises an object to a specified height. They then show what they learned and use their measurements to calculate the energy...
Teach Engineering
Energy Intelligence Agency
Protect the world from energy depletion—join the Energy Intelligence Agency. Using a set of cards, pupils distinguish between correct and incorrect information regarding energy use in the United States. They analyze graphs and diagrams...