Curated OER
Freshwater/Saltwater "Eggs-Periment"
Students explore water properties by conducting a class experiment. In this buoyancy instructional activity, students utilize freshwater, saltwater, plastic cups, hard boiled eggs and food coloring to experiment with the floating...
Curated OER
Activity: Float a Clay Boat
Written to introduce pupils to buoyancy, this activity has collaborative groups work to design a floatable clay boat. They first observe that a stick of clay sinks in water and then are given their own stick to reshape into a floating...
Curated OER
A Weighty Issue
Want to get your students motivated in science class? Given only a piece of aluminum foil, assign groups the task of designing a "barge" that will support the weight of a bunch of pennies. The group who is able to put the most pennies...
Curated OER
Playing With Science
Young scientists investigate the scientific concepts and principles that help make common toys such as hula hoops, yo-yos, slinkies, and silly putty work. As a class, they read "Backyard Rocket Science, Served Wet" to get a look behind...
American Chemical Society
Comparing the Density of an Object to the Density of Water
Investigators construct a makeshift balance and compare equal volumes of wax and water. They do the same for clay and water. Then they discover whether the wax and clay will float or sink in water. Ultimately this is a comparison of...
Curated OER
Density and Buoyancy Lesson Plan
Students investigate why some objects float or sink in water. In this physics lesson, students calculate the density of clay ball using a mathematical equation. They write a complete lab report about the experiment.
Curated OER
Come On Down!
Begin with an introduction to famous deep-sea submersibles. Learners work in groups to gather information on different vessels and then share with the class. Each group then uses water displacement to help calculate the density of...
Curated OER
Ships 2: What Floats Your Boat?
Students design, build, and test the specifications (water displacement and load line) for a model boat. The instructional activity focuses especially on integrating design principles with inquiry-based experimental skills.
Curated OER
Saltwater: Nifty Aqueous Colorful Layers
A classic investigation on the density of liquids is explained for you in this lesson plan. Te begin, you prepare water samples of different salinities and then add different food coloring to keep them separated and easily identified....
Tech Museum of Innovation
Lighter than Air
Scholars participate in two design challenges concerning flight in the second instructional activity of the series. They design balloon crafts that have neutral buoyancy and forward motion.
Bonneville
TinkerCAD: Introduction to 3D Printing
Steer young minds to build better boats. Future engineers first spend a few days exploring the TinkerCAD software and completing some embedded lessons. They then design sea crafts with buoyancy in mind and print them using a 3-D printer.
Curated OER
The Cork Floats Where?
Have your ever noticed that a cork floats in the middle of a glass that's filled to the brim with water, but will always float along the inside edge of a glass that's only half full with water? It's true! Young scientists ponder this...
Teach Engineering
Floaters and Sinkers
Whatever floats your boat. Young engineers learn about density by measuring the masses and volumes of boxes filled with different materials. Using their knowledge of densities, they hypothesize whether objects with given densities will...
Curated OER
Art: Hot Air Balloon Replicas
Students investigate the science behind hot air balloon flight. In a lecture and demonstration, they observe how helium-filled balloons are affected by the wind. Using basic household items such as newspaper, paper cups, and balloons,...
Institute of Electrical and Electronics Engineers
Can You Canoe?
A neat handout immerses learners in the history of canoe making. After reading, small groups of mini engineers work to craft a canoe that will not be immersed! This is an ideal exercise in engineering design for your STEM curriculum or...
Institute of Electrical and Electronics Engineers
Life Vest Challenge
After reading about the history and science of personal floatation devices, patents, and intellectual property, engineering teams design a life vest for a can of soup. To evaluate which groups considered the need for waterproofing, hold...
Curated OER
Physical Science- Sink or Float?
Learners investigate which objects sink and which ones float. Learners engage in an experiment, make predictions, and record results on a graphic organizer. This is a comprehensive and easy to follow resource.
Curated OER
Build a Model Submarine
Learners form lab groups and work together to construct a submarine out of a soda bottle. Next, they observe its action in a tub of water as the inner pressure is changed. It is an engaging experiment. However, links to outside resources...
Curated OER
Come On Down!
Learners research the implementation of a research vessel used for ocean exploration. In buoyancy lesson students will construct a device that shows neutral buoyancy.
Curated OER
How Does the USS Alabama Float?
Young scholars investigate buoyancy. In this buoyancy instructional activity, students apply the Archimedes Principle of Buoyancy to the experiment conducted in class to determine how battleships float.
Curated OER
Sink or Float?
Students analyze the relationship between density, buoyancy, and salinity. In this chemical properties lesson, students read a background activity for the lesson and experiments to the topics. Students discuss the questions and complete...
Curated OER
Archimedes' Principle
Students examine the relationship between density and buoyancy. In this physics lesson students use Archimedes' Principle to complete calculations on buoyancy and a lab activity.
Curated OER
Technology of the Deep: Experiments with Buoyant Forces
Students conduct a series of experiments to study the effects of temperature and salinity on the buoyancy of an object in water. They devise ways to make floating and sinking objects neutrally buoyant.
Curated OER
Water Properties of the Great Salt Lake
Fourth graders examine the ecosystem of the Great Salt Lake in this two-part lesson, completing a KWL chart before and after the field trip to the site. While there, they draw and write about their observations. To test for buoyancy,...
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