Cornell University
Catapults
Ready, aim, fire! Launch to a new level of understanding as scholars build and test their own catapults. Learners explore lever design and how adjusting the fulcrum changes the outcome.
Texas State Energy Conservation Office
Investigation: Insulation
Youngsters compare the heat-holding abilities of three different cans by insulating two with different materials and measuring the temperature change of hot water over a 20-minute period.
Curated OER
Introduction to Scientific Method
Students investigate safe laboratory procedures, classroom management guidelines, and group roles and procedures. They study a set of safety guidelines with their parents, and to sign a contract stating that they understand the...
Curated OER
Protect the Skin You're in
Students explore the importance of sun safety in relationship to skin cancer prevention. They test the effectiveness of various sunscreens and administer and analyze a simple survey to their peers. In addition, they implement a public...
Curated OER
Sports Helmets and Impact Testing of Polymers
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
Curated OER
Observing Decomposition
In this science worksheet, students focus upon the concept of decomposition and collect data in order to make interpretations or observations.
New York Science Teacher
Planet Scaling using Extra Terrestrial Tools
Your class will use a set scale to convert diameters of planets to the model size, the diagram given to expand on the number of planets drawn as concentric circles, and examine the scale that would be needed to fit the larger planets on...
Curated OER
Helpful Microorganisms
Students study how some microorganisms are helpful and practical in foods. They work with microorganism in a number of food, such as yeast in bread and yogurt.
Curated OER
Observing Popcorn
Fifth graders discover the process of boiling water and how it is part of the changing of states of matter. They observe a kernel of popcorn pop in a test tube with water and take notes of how the water changes to the form of a gas....
Curated OER
Phases of Matter
Eighth graders practice using correct vocabulary and apply content knowledge related to phases of matter when answering questions about situations or observations from everyday life.
Curated OER
Strawberry DNA Extraction
Students explore the DNA of strawberries. In this science lesson, students extract the DNA of strawberries. Students complete a lab report.
Curated OER
2001 U.S. National Chemistry Olympiad Part III
Here is a comprehensive method for assessing chemistry learners' knowledge; have them approach two laboratory problems, plan their methods of solving each, and then actually carry out the experiments to find the answers. Both the...
Columbus City Schools
It’s All Relative
Are the people on the other side of the world standing upside down? Pupils discuss the relationship between movement and position words. The unit explores the concept of reference points through animation, modeling, photography, and more.
Curated OER
It's a Crash Test, Dummy
Middle schoolers use the internet to research air bags in cars and trucks. In groups, they discover air bags history and the safety issues surrounding them. They create their own design of a new air bag and test it using a raw egg in...
Curated OER
Icecream in a Baggie
Students apply their comprehension of colligative properties to real-world situations. They review the concepts of physical and chemical changes. Students are reminded that science is used extensively in food-production. They are...
Curated OER
On the Microbe Trail: An Introduction to Bacteria and Aseptic Technique
Tenth graders predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed when working with bacteria.
Curated OER
World of Protists
Young scholars observe a jar of pond water and predict how much life they think exists in the jar and watch a "Bill Nye: The Science Guy" video regarding protists. They participate in an online virtual pond dip where they begin to...
Curated OER
Bacteria Pool Party
Students investigate the organisms of bacteria. They are given a culture of bacteria that can be observed under a microscope. The students make observations that are recorded. The lesson includes the mention of specific safety...
Curated OER
Microwave Introduction
Students take true and false pretest, and explore and practice basic principles of microwave cooking and how to use and care for it properly while preparing foods. Students watch teacher demonstration and then prepare their own bags of...
Curated OER
Hormone-Induced Plant Propagation Lab using Carrot Root Cultures
Students evaluate the importance of hormones in living things. In this biology lesson, students experiment on carrots to differentiate how humans and plants reproduce. They collect data from experiment to answer analysis questions.
Curated OER
Science: Lenz's Law and the Spinning Can
Students observe a demonstration of Lenz's Law using an aluminum can and a bar magnet. They hypothesize what will occur as the can is placed in water and the magnet is lowered above it on a string. Students discover the phase shift...
Curated OER
Providing Safe Food to the Consumer
Students identify safe practices that must be followed to assure the food chain from the farm or ranch to dinner table is providing safe and quality food for the consumer. Students visit websites to examine numbers of food borne...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Curated OER
# 03 Laboratory Ventilation and Risk Assessment Exercise
Students are introduced to the analysis of health risks in the laboratory, particularly from vapors from organic solvents. They consider quantitative measure of risk such as threshold limit values (TLVs), the amount of the compound that...