Curated OER
Making and Using a Hydrometer
Students build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally,...
Curated OER
How Much Do I Know About Water?
Sixth graders explore ways to analyze the properties of water and examine the chemistry of water. In this water instructional activity students work in groups and complete several activities.
Curated OER
Who Has Denser Fur?
In this mathematics worksheet, learners identify and solve who has the denser fur, either the Sumatran tiger or the sea otter. They calculate the number of hairs for each per inch or per meters and compare them.
Curated OER
Activity #16 Dancing Spagehetti
Learners experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...
American Chemical Society
Middle School Chemistry: Density: Sink and Float for Solids
Students determine whether an object will sink or float by comparing its density to the density of water.
Sophia Learning
Sophia: Density: Lesson 2
This lesson will introduce the concept of density and show how to calculate the density of an object.
American Chemical Society
Middle School Chemistry: What Is Density?
Find out how density is defined for the study of chemistry.
Museum of Science
Museum of Science and Industry: Online Science: Design a Submarine
Become an engineer, and design a submarine that moves in the water like a real submarine. Try making it sink, float, and hover in the water.
Sophia Learning
Sophia: Definition of Density
An introduction to the definition and formula of density, complete with real world examples of objects with different densities.
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.
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."
Sophia Learning
Sophia: Density: Theory
A short exercise explaining the formula for volumetric density followed by several practice problems and examples.
Science Fun for Everyone
Science Fun: Water Fireworks
In this science experiment, you will learn about density while making water fireworks!