American Chemical Society
Density: Sink and Float for Liquids
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
American Chemical Society
Density: Sink and Float for Solids
Steal cubes sink, but steal ships float. Lesson explores the density of solids as well as the density of water in determining what will sink and what will float. A hands-on group activity helps pupils see that weight and volume are two...
American Chemical Society
Finding Volume: The Water Displacement Method
We have formulas for finding the volume of geometric shapes, but what if the shape is irregular? Lesson describes how to find volume through water displacement. After a demonstration, scholars practice in small groups. Then analysis...
University of Waikato
Temperature, Salinity and Water Density
The difference between sinking and floating may be a little salt. Young experimenters analyze the effect of salt and temperature on the density of water. They use their results to predict the effect of climate change on ocean ecosystems.
Curated OER
Introduction to Density
Seventh graders discover the definition of density through a demonstration using ethanol and ice cubes and a class discussion using a SMART Board to illustrate formulas and calculations. Students finish the lesson by practicing...
Cornell University
Buoyancy
Swimmers know to float by turning their bodies horizontally rather than vertically, but why does that make a difference? In an interesting lesson, scholars explore buoyancy and the properties of air and water. They test cups to see which...
Curated OER
Compared to What? Comparing the Density of Different Liquids
Students work in groups to compare the density of different liquids. In this density lesson, students use cooking oil, liquid detergent and water to measure density. Students record their results and check the accuracy of their...
Curated OER
Stacking Water
Students experiment with different salinities of water using straws and different colors of water. They collect and interpret data from the experiment.
It's About Time
What Drives the Plates?
It's getting hot in here! Lead your emerging geoscientists on a thrilling journey as they calculate liquid densities to determine forces that stimulate thermal plates from within the earth's crust. They explore effects of temperature on...
Teach Engineering
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...
American Physiological Society
How Does the Density of a Liquid Affect the Buoyancy of an Object?
Here's a lesson plan that will really float your boat! Introduce physical science scholars to the relationship between buoyancy and density through an assortment of individual and collaborative exercises. Lab groups work together to...
Curated OER
Liquid Layers
In this density worksheet, young scholars investigate what will happen when various liquids with different densities are put into the same container. They hypothesis and make observations. Students answer 4 questions about their...
Curated OER
Density Lab
Students find the density of two substances. In this density lesson plan, students determine the density of water and ethyl alcohol and compare their densities. They enter their data into the computer to produce a class compiled graph....
Curated OER
The Role of Density in Sinking or Floating: Relational Causality
Students watch the teacher do a demonstration of density with diet and regular soda. Note: try this first, as different types of artificial sweetener have different densities. Students discuss density and volume. They discuss "Relational...
Curated OER
Water
Students conduct a series of investigations on the unique properties of water. In this general science lesson, students explain what causes water's surface tension. They explain the different stages in the water cycle.
Curated OER
Density
For this biology worksheet, students use the given clues at the bottom of the sheet to solve the crossword puzzle on density. They identify how density in mass is divided. Students also measure the density of water in grams.
Curated OER
Density Challenge
Students calculate the densities of several liquids that appear similar. In this physical science lesson, students go beyond understanding the way liquids of different densities behave to researching how this knowledge applies in real...
Curated OER
Comparing Densities of Different Liquids
Students experiment with a variety of liquids to calculate density. In this integrated science and math lesson, students listen to a story in which the characters must prove and explain why 5 "mystery" liquids react in a certain manner....
Curated OER
Specific Gravity-The Relative Density of Liquids
Students explore a hydrometer. In this gravity lesson students construct a hydrometer and create a liquid density column.
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....
Curated OER
Determining Liquid Densities
Students practice determining liquid densities in a short, hands-on lab activity. Students use a graduated cylinder to measure out 100 milliliters of a liquid, find its mass using a balance, and record measurements in a data table....
Curated OER
Density Columns
In this density worksheet, students answer 12 questions about the density of substances. They read a diagram of a graduated cylinder and determine the volume, mass of water. They interpret a diagram with three liquids and indicated their...
Curated OER
Liquids: Floating and Sinking
Third graders conduct an experiment. In this floating and sinking liquids instructional activity, 3rd graders discuss density and investigate it using syrup, vegetable oil and colored water. Students observe the results and complete a...
Curated OER
Densities
Students explore the concept of density. In this density lesson plan, students determine the density of a crown and a sample of clay. They hypothesize about the densities of 4 liquids they are given including molasses, cooking oil, a red...