University of Waikato
Testing Water for Nitrate
How much is too much nitrate in the water? Young scientists discuss the question after they run their own nitrate tests. They also consider sources of nitrates and offer explanations for the levels.
Teach Engineering
Building and Testing Model Underground Safety Caverns
Teams take their cavern designs and build a model from clay or paper mache that can be buried in sand. Testing involves dropping a bowling ball on the buried cavern. Teams dig out their cavern, inspect it for damage, and consider...
Perkins School for the Blind
Testing the Strength of a Column
Columns have been used throughout the world because they are good load-bearing structures. Learners with visual impairments conduct an experiment to work through the design process as well as to understand this engineering phenomenon....
University of California
You Are What You Eat: Testing for Organic Compounds in Foods
We have all heard that we are what you eat, but what are we eating? An informative lesson opens with a discussion of the foods pupils have recently eaten. Then, young scientists perform four experiments on seven...
Agriculture in the Classroom
Chocolate Taste-Testing: Introduction to Loco for Cocoa
Is the price of chocolate a good indicator of taste? Your learners will approach this question through experimentation and analysis, and will then delve into the rich history and complexity of cacao and chocolate.
Perkins School for the Blind
Safety Crash Testing
Everyone knows that cars have safety features, but wouldn't it be fun to design your own? Learners with visual impairments build a ramp and then attempt to use the material provided to design a safety system to protect a raw egg from a...
National Nanotechnology Infrastructure Network
Creating and Testing Silver-Nanoparticle Socks
Antibacterial socks are a product of nanotechnology. An inquiry-based lesson asks collaborative groups to create their own antibacterial socks and then test them against other products on the market. The sock with the least amount...
Teach Engineering
Java Programming: Testing the Edges
Tests are no fun, but test cases are extremely helpful. Pupils work in groups to write a Java program that completes a given task. They come up with test cases to give to another group, then trade test cases to determine if their program...
Teach Engineering
Exploring Variables While Testing and Improving Mint-Mobiles (for Middle School)
There are more ways to use mint candies than to just eat them. In groups, learners design and build race cars using mint candies, drinking straws, Popsicle sticks, index cards, and other materials. They decide on an independent variable...
American Psychological Association
Do Cookies/Donuts Improve Memory? Errors in Methodology
If the methodology is skewed, the results will be skewed. That's the takeaway from an exercise designed to get class members thinking about research methods and statistics gathering. Instructors manipulate the testing environment to...
PBS
Testing The Hypothesis
After choosing one experiment from the four they conducted in the previous lesson, young investigators analyze the evidence they collected to determine if it proves or disproves their original hypothesis.
Teach Engineering
Building-Testing-Improving Paper Airplanes: Head's Up!
Take foldables to all new heights. Pupils build and fly different types of paper airplanes in the 14th portion of a 22-part unit on aviation. Groups collect data on distance and flight time for each plane and compare the data from the...
Discovery Education
Urinalysis
What do lab tests reveal about a patient's health? Scholars perform a simulated urinalysis on two different patients by testing color, pH, glucose levels, and protein levels. Then, they compare their findings to what they know passes...
DiscoverE
Windy City Tower
Your class will be blown away when they build their own city tower structure! Engineering scholars partner up to plan, build, and test their own paper towers. As they build, they gain valuable design skills, learn about wind tunnel...
Teach Engineering
Using Hooke's Law to Understand Materials
Provide a Hooke for a lesson on elasticity with an activity that has groups investigate a set of springs. They use a set procedure to collect data to calculate the spring constant for each spring using Hooke's Law. The groups...
Teach Engineering
Exploring Variables While Testing and Improving Mint-Mobiles (for High School)
Mint candies are good for more than just one's breath. Using basic materials such as mint candies, straws, index cards, and Popsicle sticks, scholars create race cars that meet a given budget as well as design constraints. They perform...
Howard Hughes Medical Institute
Testing a Hypothesis
Are sickle cell disease and malaria related somehow? Scholars learn about both illnesses and the hypotheses that they are related. They discuss, view a video, and answer questions to demonstrate understanding. The resource includes an...
US Department of Commerce
Educational Attainment and Marriage Age - Testing a Correlation Coefficient's Significance
Do women with college degrees get married later? Using a provided scatter plot of the percentage of women who earn bachelor's degrees and the median age at which women first get married over time, pupils conduct a linear regression...
DiscoverE
Waterproofing the Roof
Can your pupils build a roof that stands the test of time? Use an insightful engineering design project to highlight both materials science and architecture. Scholars either team up or work as individuals to design, create, and test a...
DiscoverE
Water Sampling
What is the best way to test water quality? Using plastic bottles, scholars create monitoring sensors to test water quality. Creating three different sensors allows individuals to measure water quality at different water levels.
101 Questions
Safe Cracking
How long would it take to break into a safe by testing every possible combination of codes? Pupils view a video clip of this happening and must determine the total amount of time before success. They measure how long each step takes, add...
NOAA
The Great, Glowing Orb What You Will Do: Make a Solar Heat Engine
How is solar energy able to move wind and water to control the climate? Scholars explore the concept of solar energy in the first of 10 activities in the Discover Your Changing World series. They follow instructions to build homemade...
DiscoverE
Aviary Architect
Groups of two to four work collaboratively to engineer a birdhouse that will stay cool in the summer heat. Teams examine several different-colored roofs, testing the efficiency of each with a heat lamp. Then, groups sketch their ideas,...
Teach Engineering
Are We Alone?
Find an answer to the age-old debate of whether life exists on Mars. Groups determine criteria to help look for signs of life on Mars. The activity has the class simulate testing Martian soil samples for signs of life before drawing...