Lesson Plan
Curated OER

The Portable Niche

For Teachers 3rd
Third graders, in groups, research animals, plants, and conditions found in ecosystems.
Lesson Plan
Curated OER

Physical Difference and Classification

For Teachers 3rd - 4th
Students use a microscope and observation skills to compare and contrast several physical properties and develop a classification system.
Lesson Plan
Curated OER

Physics Post-Lab

For Teachers K - 3rd
Learners explore physics. In this science lesson, students discuss physics in their everyday lives. Learners complete a physics worksheet.
Lesson Plan
Curated OER

Critter Counting

For Teachers 5th
Fifth graders analyze data using a graphical presentation.
Worksheet
Curated OER

Working with Solutions

For Students 10th - 12th
In this solutions worksheet, students review how molarity is calculated and how to prepare a dilute solution. This worksheet has 5 problems to solve.
Article
Khan Academy

Khan Academy: Biology: Specific Heat, Heat of Vaporization, and Density of Water

For Students 9th - 10th
Why does ice float? In this article answer that question by learning about the topics of Specific heat capacity, evaporative cooling, and heat of vaporization of water.
Handout
Science Struck

Science Struck: Density of Water

For Students 9th - 10th
Explains what density is, how it is calculated, and how the density of water fluctuates depending on various conditions.
Activity
American Chemical Society

Inquiry in Action: Compare the Density of an Object to the Density of Water

For Teachers 9th - 10th
In this activity, students use tea light candle holders and a student-made balance to compare the weight of equal volumes of wax, water, and clay. Students will discover that since the wax weighs less than an equal volume of water, it is...
Lesson Plan
American Chemical Society

Middle School Chemistry: Density of Water

For Teachers 9th - 10th
Students discover the concept that density is a characteristic property of water by measuring the volume and mass of water and calculating its density.
Handout
Science Struck

Science Struck: Density of Water at Room Temperature

For Students 9th - 10th
Discusses how to calculate the density of water and how density varies depending on the temperature and the salinity. Presents a chart showing the difference in the density of non-saline water for temperatures between 0 and 100 degrees...
Graphic
American Chemical Society

Middle School Chemistry: Density of Water

For Students 9th - 10th
Discover how the molecular make-up of water affects its density.
Activity
American Chemical Society

Inquiry in Action: Changing the Density of a Liquid: Heating and Cooling

For Teachers 9th - 10th
In this activity, students will investigate whether the temperature of water affects its density. Students will place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water floats. Then...
Activity
American Chemical Society

Inquiry in Action: Comparing the Density of Different Liquids

For Teachers 9th - 10th
How do the densities of vegetable oil, water, and corn syrup help them to form layers in a cup? Students will carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are...
Activity
American Chemical Society

Inquiry in Action: Changing the Density of an Object: Changing Shape

For Teachers 9th - 10th
Throughout the activities in this investigation, students may have wondered how a boat made out of steel, which is more dense than water, can float. This activity addresses that question. Students will see that changing the shape of an...
Activity
American Chemical Society

Inquiry in Action: Changing the Density of a Liquid: Adding Salt

For Teachers 9th - 10th
In this activity, students will see that a carrot slice sinks in fresh water and floats in saltwater. Considering the placement of the carrot slice in water and salt water, students will infer that the density of salt water must be...
Lesson Plan
American Chemical Society

Middle School Chemistry: Temperature and Density

For Teachers 9th - 10th
Observe how heating and cooling affect the density of water. Combine the concepts of temperature, molecular motion, and density to learn that hot water is less dense than room temperature water and that cold water is more dense.
Lesson Plan
American Chemical Society

Middle School Chemistry: Density: Sink and Float for Liquids

For Teachers 9th - 10th
Students determine whether a liquid will sink or float in water by comparing its density to the density of water.
Activity
American Chemical Society

Inquiry in Action: Changing the Density of an Object: Adding Material

For Teachers 9th - 10th
In this activity, students see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float. This high-volume but light-weight material increases...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Density of Solid Objects

For Teachers 9th - 10th
In this science inquiry, students investigate whether volume or density of objects determine the floating or sinking in water. Using a rock and a block of wood teachers engage students in the discussion of density, mass and volume.
Lesson Plan
American Chemical Society

Middle School Chemistry: Density: Sink and Float for Solids

For Teachers 9th - 10th
Students determine whether an object will sink or float by comparing its density to the density of water.
Lesson Plan
TeachEngineering

Teach Engineering: Density & Miscibility

For Teachers 7th - 9th
After students conduct the two associated activities, Density Column Lab - Parts 1 and 2, present this lesson to provide them with an understanding of why the density column's oil, water and syrup layers do not mix and how the concepts...
Interactive
American Museum of Natural History

American Museum of Natural History: O Logy: Stuff to Do: Density of Salty Water

For Students 3rd - 5th
An experiment to test what happens when ocean water hits a freshwater estuary. Each step is demonstrated with photographs and the difference between salinity and density is explained.
Activity
Science Buddies

Science Buddies: Can Water Float on Water?

For Students 6th - 8th
Of course it can, you say: ice is water and ice floats. And you're right. But we're talking about water in the liquid phase Can liquid water float on water? The goal of this project is to investigate what happens to layers of water with...
Lesson Plan
University of Hawai'i

Density (Lesson Plan)

For Teachers 9th - 10th
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).