Science Education Resource Center at Carleton College
Serc: Mn Step: Sinking Water: Glaciers, Ocean Currents and Weather Patterns
A lesson 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 when hot or cold,...
Science Education Resource Center at Carleton College
Serc: Investigating Chromatography: Selecting Variables
In this lab, learners will demonstrate observation skills as they design an experiment to separate colors of various water-based pens in order to learn about mixtures and solutions. Students will determine a variable to test and complete...
Science Education Resource Center at Carleton College
Serc: Floating Foods and Underwater Eruptions: An Exploration of Density
Students explore the concept of density by investigating how several solids and liquids interact. Through hands-on activities and a teacher demonstration, they develop a greater understanding of density by using their observational...
Science Education Resource Center at Carleton College
Serc: Density Differences
Students investigate differences in ocean water density, and record density data from salt, ice, and hot water samples in their notebooks. Students then simulate ocean water temperature levels in a simulation.
Science Education Resource Center at Carleton College
Serc: Activity: Identifying a Solid Using Density
Students will measure the length, diameter, and mass of twelve cylinders made of the same element. The first set of measurements are made with a standard metric ruler and 0.1g balance. The measurements are then repeated using a Vernier...
Science Education Resource Center at Carleton College
Serc: Introductory Concepts in Soil Chemistry
In this introductory lab activity, students will collect data that will graphically illustrate the relationship between mass and volume in determining the density in chemistry. Based on density, students will seek to determine a...
Simon Fraser University
Chem1 Virtual Textbook: Getting Started in Chemistry
With the subtitle, "stuff you should know before delving too far into Chemistry," this site examines a range of six topics to provide the user with a broader understanding of chemistry.
Michigan Reach Out
Austin University: Demonstrating Air Pressure With Eggs
This site will tell you how you can use an egg to identify air pressure and how it affects objects. Includes easy step by step instructions.
University of Hawai'i
Density (Lesson Plan)
The purpose of this lesson plan is to find the density of regular (volume can be with a mathematical formula) or irregular objects through water displacement. Uses actual SI units (g/cubed cm).
![Density Demonstration: Coke vs. Diet Coke [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Density Demonstration: Coke vs. Diet Coke [Pdf] Activity")
My Science Site
Density Demonstration: Coke vs. Diet Coke [Pdf]
Help students brainstorm and find a solution as to why Diet Coke floats and Coke sinks. Student will learn to define what density is as they engage in this creative lab. This resource is in PDF form; requires Adobe Reader.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Atwood Machine in Fluid Model
Simulation of an Atwood machine where two masses of varying densities are suspended in water using a pulley system. Adjust the densities of the masses, their positions and the water level to see how the changing gravitational, buoyant,...
PBS
Pbs, Secrets of the Ocean Realm: Mountain in the Sea
This experiment allows your students to study the effect of temperature on water motion and also to create their own density driven current.
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.
PBS
Pbs: A Classical and Relativistic Trip to a Black Hole
This PBS site is a classroom activity that takes a trip to a black hole. Students apply calculations on distance, velocity, acceleration, time, circular motion, density, and more.
Science is Fun
Science Fun: Layered Liquids
This experiment allows you to dramatically demonstrate the different densities of five different common household liquids.
Science is Fun
Fun Science: Sinking and Floating Soda Cans
Why do some pop cans float in water while others don't? This easy experiment is a great example of the principle of density.
Science is Fun
Fun Science: Bowling Balls: Sink or Float?
For a dramatic illustration of density check out this demonstration. It's simple to do, only requiring a bowling ball and some water.
Other
Population
Population directly effects our everyday lives in many ways. Explore the effects of population by learning about population density, population distribution, and population change.
Other
Sprk: Sphero Hydro Hypothesis Stem Challenge [Pdf]
SPRK STEM challenges are fun, interactive activities that challenge students to use creativity and team-work to move through simple steps of the design process in order to build Sphero-based creations. The Hydro-hypothesis challenge...
Other
Virtual Chembook: Density Applications With Gases
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. For...
Alabama Learning Exchange
Alex: Show Me the Money
Just what is a penny worth? Students explore various websites or printed fact sheet investigating the history and changes in density of pre- and post- 1982 pennies. They will also research the current price of copper and zinc and compare...
Other
Sur Del Sur: Homepage
The site from Sur del Sur provides extensive information about the current population of Argentina.
Other
Beloit College: K 12 Geology
This is a good source of basic information about density currents in water. It includes simple activities you can do to demonstrate these currents.