Worksheet
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Density Columns

For Students 9th - 12th
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...
Worksheet
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Density Demonstration: Coke vs. Diet Coke

For Students 6th - 9th
In this density demonstration, students compare a can of diet coke to a can of regular coke. They list the similarities and differences of each prior to the demonstration. The cans are placed in a tank of water and students record their...
Lesson Plan
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Let's Get Fizzical

For Teachers 6th - 9th
Students investigate surface tension in water. In this water molecules and surface tension instructional activity, students observe 3 demonstrations to show how water molecules are attracted to one another, how soap reduces the surface...
Lesson Plan
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Designing and Floating Boats

For Teachers 6th - 8th
Students participate in an experiment to determine if a toy boat will sink or float. They make the boats out of different materials and determine its carrying capacity by adding pennies. They graph their findings on a classroom graph.
Lesson Plan
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Teacher's Guide For: Water Temperature and Salinity Experiment

For Teachers 4th - 5th
Students experiment with water density, temperature and salinity. In this water activity, students observe how the coldest water sinks to the bottom of a test tube, and how saltwater sinks in comparison to freshwater.
Lesson Plan
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The Floating Golf Ball

For Teachers 4th
Fourth graders discuss density.  For this floating golf ball lesson students complete a lab activity on density while working in groups. 
Lesson Plan
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Float My Boat

For Teachers 4th
Fourth graders, in groups, experiment with density and the displacement of water by creating and designing their own boats and seeing which boat holds the most centimeter cubes without sinking..
Lesson Plan
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Weight in Water

For Teachers 3rd - 4th
Students investigate why some materials are able to float while others sink. They carry out a scientific investigation, predict and test their predictions. They record their results in a spreadsheet, and use a forcemeter in another...
Lesson Plan
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What Floats Your Boat?

For Teachers 7th - 9th
Learners discover the Archimedes principle through a buoyancy experiment. They measure the water displacement of a lump a clay which is denser than water then reshape the clay into a bowl which floats but displaces more water.
Lesson Plan
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To Float or Not to Float - A Lesson on Density

For Teachers 7th - 8th
Learners define density in their own words. In this physics lesson, students calculate density using mass and volume. They explain why some objects sink and some float.
Lesson Plan
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Science Lesson #2

For Teachers 4th
Fourth graders explore and experiment with objects that float to see if they float differently in salt water or fresh water. After the experiment, they write a paragraph in their science journal explaining how fresh water and ocean water...
Lesson Plan
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Floaters and Sinkers

For Teachers 5th
Fifth graders define density as the amount of mass per volume a material contains, compare the densities of several types of materials, especially those that sink in water compared to those that float. They use two different methods to...
Lesson Plan
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Science: Water States

For Teachers 1st
First graders investigate the various forms of water. They discuss the properties of water. They discover examples of water's various states and locate other solids, liquids, and gases in their homes.
Lesson Plan
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Atoms, Kinetic Theory, Solids and Fluids

For Teachers 10th - 11th
Students identify and describe the building blocks that make up an atom. They also compare the ages of atoms to the ages of the materials they compose,as well as, give examples that illustrate the small size of atoms.
Lesson Plan
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#24 Rotating Frames of Reference in Space and on Earth

For Teachers 9th - 12th
High schoolers explore rotating frames of reference, focusing on the weightless environment in space and the Coriolis force.
Lesson Plan
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Discussing How Plants Grow

For Teachers 2nd - 6th
Study how plants grow with your English language learners with a cross-curricular lesson revolving around pumpkins. These activities provide opportunities to practice new scientific vocabulary while practicing skills such as estimating...
Worksheet
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Archimedes' Principle

For Students 9th - 12th
In this Archimedes' principle instructional activity, students answer 13 questions about the concepts of Archimedes' principle such as water displacement, buoyancy and force. The answer questions from a lab they did in class to simulate...
Lesson Plan
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Density - An Introduction

For Teachers 2nd - 6th
Students experiment with objects of different densities. In this density lesson, students examine same-sized objects with different weights, then look at a teacher explanation of density. Students make wave bottles and a density jar to...
Lesson Plan
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The Wonderful world of Water

For Teachers 1st
First graders examine the water cycle through readings and experiments. In groups, they conduct interviews with others and use the information to create a chart displaying the various uses of water. After brainstorming lists of ways to...
Lesson Plan
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Big Enough?

For Teachers 5th - 6th
Students explore the concept of density and buoyancy. In this physics activity, students discover the different factors that affect an object's density and buoyancy in water. Students conduct several investigations to further...
Worksheet
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Salinity Lab

For Students 8th - 10th
In this salinity worksheet, learners simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.
Lesson Plan
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Density Determination

For Teachers 8th - 10th
Students observe 2 demonstrations of density. In this density lesson plan, students observe a vial with various substances of different densities. Students then observe the differences between a diet coke and a regular coke can when on a...
Lesson Plan
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It Matters

For Teachers 2nd - 3rd
Students use descriptive vocabulary to discuss the attributes of matter. Then, they sort objects or pictures by the type of matter they are comprised of. Finally, students match objects of matter with similar attributes and create a...
Lesson Plan
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Using a Spreadsheet to Understand Density

For Teachers 8th - 12th
Students use density to identify what metal a gold colored weight is made of. They use a spreadsheet to graph the experimental density of common metals and compare the know densities to their calculated density of the known metal.