Curated OER
Why is the Ocean Salty?
In this ocean salt instructional activity, students read about the processes that have lead to the salt content in the ocean. Then students complete 5 short answer questions.
Simon Fraser University
Chem1 Virtual Textbook: Understanding Density and Buoyancy
As part of a larger resource called "Getting started in Chemistry," this page examines various topics related to density and buoyancy. Included in the study are definition of density and buoyancy, measurements, applications, and examples.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Buoyancy
An interactive simulation that teaches about buoyancy and density by applying various forces and modifying the properties of objects and fluids. This simulation can either be downloaded or played online and includes handouts, lesson...
Vision Learning
Visionlearning: General Science: Density
Instructional module focusing on density as a physical property of matter. Discussion incorporates historical references as well as formulas. Site also includes an interactive practice quiz and links relating to the topic.
University of California
University of California: Seawater Density & Salinity [Pdf]
Describes the properties of seawater and the variations depending on its location, e.g., near a shoreline, in an estuary, or as sea ice. Discusses the instruments scientists use to measure the density of water and explains other...
Science Education Resource Center at Carleton College
Serc: "Does It Float?" an Inquiry Based Activity Investigating Buoyancy
This is an inquiry-based activity in which students will need to work together as a class to solve the following problem: they must construct a "boat" entirely out of modeling clay that is capable of supporting 150 grams of cargo without...
Science Education Resource Center at Carleton College
Serc: Investigating Density: Determined by Using Mass and Volume of a Substance
In this activity, students investigate the history of density, its uses, and applications. Students will generate and calculate data applying it to a graph. They will be looking at the relationship between mass and volume.
TeachEngineering
Teach Engineering: Eureka! Or Buoyancy and Archimedes' Principle
Students explore material properties in hands-on and visually evident ways via the Archimedes' principle. First, they design and conduct an experiment to calculate densities of various materials and present their findings to the class....
Science Education Resource Center at Carleton College
Serc: Investigating the Effects of Density and Volume of a Cartesian Diver
In this instructional activity, young scholars will investigate why the Cartesian diver dives and rises in a 2 liter bottle. They will also, through their own discovery, come up with a question and then change one variable and record...
Center for Innovation in Engineering and Science Education, Stevens Institute of Technology
Stevens Institute of Technology: Buoyancy Simulation
By choosing the mass, size, and time, students can experiment with whether the block floats or sinks in this simulation. Students have the option to display the forces and add a second block to the tank. Density is also shown to allow...
CK-12 Foundation
Ck 12: Physical Science: Buoyancy
[Free Registration/Login may be required to access all resource tools.] Definition of buoyant force and how weight and density relate to buoyant force and the ability to float.
PBS
Pbs: Buoyancy Basics
NOVA explores the basic principle of buoyancy. Also included at this site are some interesting brain-teasers related to the topic.
Massachusetts Institute of Technology
Mit: Blossoms: Will an Ice Cube Melt Faster in Freshwater or Saltwater?
Engage students in the study of the ocean and saltwater with these activities. Students will see that saltwater has different physical properties than freshwater - mainly density. This lesson can serve as a springboard into other...
Texas Education Agency
Texas Gateway: Ap Physics: Fluid Statics: Archimedes' Principle
By the end of this section, you will be able to define buoyant force, state Archimedes' principle, understand why objects float or sink, and understand the relationship between density and Archimedes' principle.
OpenStax
Open Stax: Physics: Archimedes' Principle
From a chapter on Fluid Statics in a Physics textbook. This section of the chapter provides a detailed discussion of Archimedes' principle, buoyant force, floating and sinking, and the role of density. Includes questions, problems and...
Science Education Resource Center at Carleton College
Serc: Investigating Buoyancy, Density, and Fluid Principles: Make Mini Submarine
In this lab, students will use the scientific method to design an experiment that explains how/why a submarine floats and sinks.
Science Buddies
Science Buddies: Buoyancy of Floating Cylinders
This project presents an interesting puzzle. A disk of wood will float face-up, that is, with its circular cross-section parallel to the surface of the water. A long log of wood, however, floats with the circular cross-section...
TeachEngineering
Teach Engineering: Buoyant Boats
Students learn about displacement, density and buoyancy then apply their knowledge to build a floating object.
PBS
Pbs Learning Media: Buoyancy Brainteasers: Boat in Pool Puzzler
This interactive brainteaser from the NOVA: "Voyage of Doom" Web site challenges you to figure out what happens to the water level when a rock is resting in a boat and when it is submerged in water.
Science Education Resource Center at Carleton College
Serc: Mn Step: Sinking Water: Glaciers, Ocean Currents and Weather Patterns
A instructional activity where students learn how warm water is less dense than cold water, and what this means for global climate change as ice from the polar regions melts. Students will do experiments in buoyancy and water density...
TeachEngineering
Teach Engineering: Floating and Falling Flows
Students discover fluid dynamics related to buoyancy through experimentation and optional photography. Using one set of fluids, they make light fluids rise through denser fluids. Using another set, they make dense fluids sink through a...
Exploratorium
Exploratorium: Science Snacks: Eyedropper Hydrometer
Deepen the students' understanding of density by constructing a simple hydrometer that can be used to compare the densities of different solutions.
Science Struck
Science Struck: How to Find Volume With Water Displacement Method
Tells the story of how Archimedes discovered the Archimedes Principle and his water displacement method for determining the volume and density of an object. Provides an explanation and several examples of how it is done.
TeachEngineering
Teach Engineering: Floaters and Sinkers
Through this curricular unit, students are introduced to the important concept of density. The focus is on the more easily understood densities of solids, but students may also explore the densities of liquids and gases. Students devise...
Other popular searches
- Density and Buoyancy Test
- Volume, Density and Buoyancy
- Heat, Density and Buoyancy
- Volume Density and Buoyancy
- Heat Density and Buoyancy
- Buoyancy and Density
- Density Buoyancy Terms
- Density Buoyancy Viscosity
- Buoyancy Density