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Activity
DiscoverE

Action Figure Diver

For Teachers 3rd - 8th Standards
Will your next buoyancy lab rise to the occasion? Make a splash with action figure divers! Teams of young physicists explore the relationship between mass and buoyancy by adding weights or balloons to achieve a diver that neither sinks...
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Activity
Practical Action

Floating Garden Challenge

For Teachers 6th - 12th Standards
Climate change is affecting communities living in riverside areas by flooding land where crops used to grow. Using an array of instructional materials provided in this resource, you will have the opportunity to task your critical...
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Worksheet
Curated OER

Science - "Why does it float?" - Exploring the Concept of Density

For Students 6th - 9th
In this density worksheet, students read about density, volume and mass. They then use what they learned to answer the 8 questions on the page. The answers are on the last page.
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Lesson Plan
Curated OER

Floating and Falling Flows

For Teachers 6th - 9th
Students discover fluid dynamics related to buoyancy through experimentation and optional photography. Using one set of fluids, they make light fluids rise through denser fluids. Using another set, they make dense fluids sink through a...
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Lesson Plan
Curated OER

Sink or Float: Exploring the Laws of Buoyancy

For Teachers 6th - 8th
Young scholars explore the relationship between density and buoyancy. After watching a video explaining buoyancy, students discuss displacement and floating. Young scholars have a raft building competition. Afterward, they conduct...
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Lesson Plan
Curated OER

Changing Planet: Ocean Acidification - the Chemistry is Less than Basic!

For Teachers 7th - 10th
A video and laboratory investigation are highlights to this lesson on acidification of ocean water due to increased atmospheric carbon dioxide. Using bromothymol blue (BTB) as an indicator, pupils analyze the amount of carbon dioxide...
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Activity
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Teach Engineering

Determining Densities

For Teachers 7th - 9th Standards
Don't be dense—use a robust resource. The second installment of a five-part Floaters and Sinkers unit has learners determine the densities of several objects. As part of the activity, they learn the displacement method for finding...
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Lesson Plan
Curated OER

Construct a Buoyant Scuba Diver

For Teachers 6th - 8th
Groups of young oceanographers get to use action figures to experiment with the property of buoyancy! This memorable lesson plan provides detailed background information, a link to the laboratory worksheet, and thorough instruction...
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Lesson Plan
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Teach Engineering

What Floats Your Boat?

For Teachers 7th - 9th Standards
Clay's as good a material as any to build a boat, right? An introductory lesson sets the stage for two activities associated with buoyancy. The first involves building boats out of clay, while the second uses these boats to measure the...
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Activity
Museum of Science

Design a Submarine

For Teachers K - 6th Standards
Don't just sink the boat. Using a closed container as a submarine, pupils experiment to see what to add to the container to make it float, sink to the bottom, and hover in the middle. After finding one option, learners see if they can...
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Activity
University of Waikato

Buoyancy in Water

For Teachers 3rd - 12th
Change where an object floats in water. Pupils experiment with a Cartesian diver by squeezing on the side of a plastic bottle. Learners pay attention to the bulb of the pipette as the bottle is squeezed to determine what is happening...
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Lesson Plan
Curated OER

Move that Tower

For Teachers 9th - 11th
Students investigate ways to find the density of irregular shaped objects. In this physics lesson, students calculate density using its mass and volume. They explain why some objects float or sink in water.
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Lesson Plan
Cornell University

Buoyancy

For Teachers 3rd - 8th Standards
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...
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Worksheet
Curated OER

Dunkin` for Density

For Students 6th - 8th
In this density worksheet, students complete a science lab experiment to determine the density that an object will float or sink in water. Students fill in a chart with their data, answer 4 short answer questions and write 1 conclusion...
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Lesson Plan
American Chemical Society

Changing the Density of an Object - Adding Material

For Teachers 3rd - 8th
In this sixth of seven activities revolving around the concept of density, physical science fans figure out if anything can be done to change the density of an object. Demonstrate by placing a can of regular and a can of diet soda into a...
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Lesson Plan
American Chemical Society

Changing the Density of an Object - Changing Shape

For Teachers 3rd - 8th
Continuing with the concept of volume and its effect on density, learners now work with a piece of clay to see if they can get it to float in water. This is a memorable end to a seven-part investigation of density. Make sure to check out...
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Lesson Plan
Center for Precollegiate Education and Training

Buoyancy Boats

For Teachers 9th - 12th Standards
What did the sea say to the boat? Nothing, it just waved. An inquiry-based lesson starts with a simple concept on the Archimedes Principle and challenges pupils to make something out of clay that floats. Then, they design an object out...
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Lesson Plan
Curated OER

Regular Coke vs. Diet Coke: Which is Denser?

For Teachers 7th - 12th
Learners define the terms "mass," "volume," and "density." The relationship between these three terms is established. They observe the differences between Regular and Diet Coke. They develop an hypotheses about why a can of Regular Coke...
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Lesson Plan
American Chemical Society

Changing the Density of a Liquid - Adding Salt

For Teachers 3rd - 8th
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced...
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Lesson Plan
Centers for Ocean Sciences

Ocean and Great Lakes Literacy: Principle 1

For Teachers 3rd - 12th Standards
Is your current lesson plan for salt and freshwater literacy leaving you high and dry? If so, dive into part one of a seven-part series that explores the physical features of Earth's salt and freshwater sources. Junior hydrologists...
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Lesson Plan
Curated OER

Density Challenge

For Teachers 8th - 9th
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...
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Lesson Plan
Curated OER

Grand Designs And Great Failures

For Teachers 6th - 8th
Young scholars extend their understanding of floating, sinking, density, and buoyancy and apply it to the design and testing of ships. students discover that most ships are constructed very similarly-whether they are schooners or...
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Lesson Plan
Curated OER

Ships 3: Grand Designs And Great Failures

For Teachers 6th - 8th
Students engage in this, the third in a three-part series on ships. The overall lesson series is designed to allow students to extend their understanding of floating, sinking, density, and buoyancy and apply it to the design and testing...
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Lesson Plan
Curated OER

Liquid Rainbow

For Teachers 2nd - 5th
Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.

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