Other
The Science House: Red, White, and Blue Ii
This colorful demonstration illustrates the rule, "likes dissolve likes," by combining three, immiscible liquids to create a density column." Teacher notes provide background information.
Other
Lapeer County Schools Science Resources: Density Lab
A simple lab experiment for students to find the density of two solids and a liquid (does not use water displacement). Note that number 1d should not state "weighs" since mass is being found.
Other
Baranidesign: Air Density Calculator
A calculator that computes air density if altitude, temperature, humidity, and barometric pressure are known.
Other
Bigelow Laboratory for Ocean Sciences: Salinity and Deep Ocean Currents
For this activity, students will investigate how temperature and currents affect the salinity of ocean water, making predictions after studying ocean maps. It is recommended that teachers do the experiment themselves before presenting it...
Treehut
Suzy's World: How Come Some Liquids Don?t Mix?
This site from Suzy's World explores how and why certain liquids mix better than others. Content includes fun facts and a classroom experiment. This site also includes links to additional information on related subjects.
Simon Fraser University
Chem1 Virtual Textbook: Densities of Substances and Materials
As part of a larger site called "Getting started in Chemistry," this site examines various topics related to the densities of substances and materials. Included in the study are properties of solids, liquids and gases, and how density is...
Other
American Mathematical Society: The Mathematical Cat Scan
Diagrams and discussion of the "collection of 1-dimensional records" that make up a CAT scan.
Sophia Learning
Sophia: Definition of Density: Lesson 2
This lesson will define density as mass/volume and provide relevant real world examples of objects with varying densities. It is 2 of 3 in the series titled "Definition of Density."
Sophia Learning
Sophia: Density Calculations: Lesson 2
This lesson will demonstrate how to calculate density to the correct number of signficant figures using experimental measurements. It is 2 of 3 in the series titled "Density Calculations."
Sophia Learning
Sophia: Density Calculations: Lesson 3
This lesson will demonstrate how to calculate density to the correct number of signficant figures using experimental measurements. It is 3 of 3 in the series titled "Density Calculations."
TeachEngineering
Teach Engineering: Attack of the Raging River
In this activity, the students will discover the relationship between an object's mass and the amount of space it takes up (its volume). The students will also learn about the concepts of displacement and density.
ClassFlow
Class Flow: Changes of Matter
[Free Registration/Login Required] This lesson is the third of three lessons. It covers the physical changes of matter and explains how chemical changes can be detected.
Sophia Learning
Sophia: Density: Theory
A short exercise explaining the formula for volumetric density followed by several practice problems and examples.
Annenberg Foundation
Annenberg Learner: 5 Question Survey: Density and Pressure
Find out your or your students' understanding of density and pressure. Afterwards you can see how others answered the questions.
Other
Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
Museum of Science
Museum of Science: Water Density Experiment
A simple lab activity to demonstrate that ocean currents are influenced by changes in water density.
PBS
Pbs Teachers: Hot and Cold Water Experiment
Demonstrate the relationship between water temperature and density using two clear plastic soda bottles.
USA Today
Usa Today: Understanding Air Density and Its Effects
In simple terms, density is the mass of anything - including air - divided by the volume it occupies. In the metric system, which scientists use, we usually measure density in terms of kilograms per cubic meter. The air's density depends...
Science is Fun
Science Is Fun: Dancing Raisins
An experiment in buoyancy which involves making raisins float by using carbonated soda pop. Students then try the same test with other materials. Instructions for making one's own carbonated liquid are also provided.
Science is Fun
Science Is Fun: Sinking and Floating Soda Cans
An experiment to determine if either a regular or a diet can of soda will float or sink when placed in water, and what causes this.
Calculator Soup
Calculator Soup: Density Calculator
Choose a calculation for density p, mass m or Volume V. Enter the other two values and the calculator will solve for the third in the selected units.
Science Fun for Everyone
Science Fun: Water Fireworks
In this science experiment, you will learn about density while making water fireworks!
Science Fun for Everyone
Science Fun: Rainbow in a Glass
Use skittles to form a rainbow with this hands-on experiment. Links to video of the experiment.
Other
The Happy Scientist: Making a Density Column
This experiment is one of the classics that is still a lot of fun to play with. It has to do with density. Density can be a difficult concept to grasp, but it is much easier once you have played with a density column. Although the video...