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Lesson Plan
Curated OER

Why Do Certain Things Float, While Some Sink?

For Teachers 1st
First graders conduct an experiment. In this density lesson, 1st graders work in groups to test 10 different objects to see which ones sink and float. Students discuss why certain objects float and others do not.
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Activity
Exploratorium

Descartes' Diver

For Teachers 6th - 8th
Pique interest in water pressure, demonstrate buoyancy, and explore water displacement concepts with a homemade Cartesian diver. You may want to change the name of the toy, however, as is is not documented the Rene Descartes actually...
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Lesson Plan
Curated OER

Anthony's sink or float game

For Teachers K - 1st
Pupils explore the concepts of float and sink by playing a game where they build things on mud, water, rock and jelly. In this Anthony's sink or float game lesson, students discover what materials remain strong in various conditions....
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Lesson Plan
Curated OER

Sink or Float

For Teachers 3rd
Third graders sort objects into those they think will float and those that will sink and test their predictions. They experiment with clay molding it into shapes that float. They place pennies in them until they sink. They test other...
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Organizer
Mr. Hill's Science Website

Density Workbook

For Students 5th - 8th
It's all about density! Here's a dense workbook for young scientists; they solve (and show work for) 29 density word problems, including a problem where they solve for the density of Godzilla. They complete labs analyzing metal cubes,...
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Lesson Plan
Curated OER

Does Soap Float?

For Teachers 3rd - 5th
Students form hypotheses and carry out an investigation in order to answer a central question: Does soap float? The focus of this lesson is on scientific inquiry, but it incorporates scientific topics such as sinking and floating.
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Organizer
Curated OER

Buoyancy

For Students 7th - 12th
In this buoyancy worksheet, students read about why objects float or sink. Students apply the Archimedes' Principle in a buoyancy lab. Students complete 1 graphic organizer.
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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
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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Lesson Planet Article
Curated OER

Preschoolers and Science Skills

For Teachers Pre-K - K
You can encourage critical thinking and problem solving by allowing young children to participate in hands-on science activities.
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Lesson Plan
Curated OER

What's The Matter: A Sinker or Floater?

For Teachers 3rd - 5th
Students conduct an experiment. In this water lesson, students watch the lesson "Float and Sink" on an interactive website. Students learn how to test items in water and then work in groups to test their items. Students discuss their...
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Lesson Plan
Curated OER

To Float or Not to Float, That is the Question?

For Teachers 9th
Ninth graders develop operational definition of density, do computations using density equation, categorize pieces of matter as being able to float on water or not, based on density, explain why some objects sink or float based on...
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Lesson Plan
Curated OER

The Magical Diving Sub

For Teachers K - 5th
Students use their background knowledge of how scientists work to discuss and predict if a given object will sink or float. They record their predictions on a data sheet. Students test the objects and organize them into floating or...
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Lesson Plan
Curated OER

Why Could the Hindenburg Float?

For Teachers 10th
Tenth graders experiment with floating and sinking objects and heavy and light liquids, using correct terms, like density, to explain what happens.  In this Hindenburg instructional activity, 10th graders watch a demonstration called the...
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Worksheet
Curated OER

Buoyancy-Why Things Float

For Students 8th - 10th
In this buoyancy worksheet, students read about the principles behind objects floating including density, buoyancy and Archimedes' Principle. Students complete a buoyancy lab where they use a balloon and water and a film canister and...
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Lesson Plan
Curated OER

Sink or Float Experiment

For Teachers 6th - 8th
Students participate in an experiment to determine which objects float or sink. They use different amounts of salt for the objects and discover as the salt content increases, objects will float. They record their predictions and what...
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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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Lesson Plan
Curated OER

Will It Sink or Float?

For Teachers K - 2nd
Students perform experiments to see if items will sink or float. In this sink or float lesson, students work in groups to make predictions, and record the results. After the experiments are complete students make a book of the results.
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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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Worksheet
Curated OER

Sixth Grade Science Test

For Students 6th
For this science worksheet, 6th graders take a multiple choice quiz about properties, energy, formulas, and more. Students complete 30 questions total.
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Lesson Plan
Curated OER

Which Objects Will Sink or Float?

For Teachers 1st
First graders work in cooperative groups and utilize a variety of materials to test objects ability to sink or float. In this sink or float lesson, 1st graders discover why some object sink and others float. Students will graph results...
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Lesson Plan
Curated OER

Floating Soap

For Teachers 4th - 6th
Students use the Scientific Method steps to complete an experiment on various brands of soap to determine their floating capabilities. In this scientific method lesson, students write a hypothesis about the ability of various soap bars...
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Worksheet
Curated OER

Density Laboratory Gizmo

For Students 4th - 6th
In this mass worksheet, students fill in a chart with different items and their volume, whether they float or sink, and their density. Students complete this for 10 items and answer 6 multiple choice mass questions.
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Lesson Plan
Curated OER

What Floats Your Boat?

For Teachers 4th - 6th
This open-ended boat building exercise is meant to be part of a three-lesson series on ships. Links to the other two lessons are included. This particular part is mostly a group lab activity in which they build a boat, find its load line...