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Lesson Plan
Curated OER

Sink or Swim

For Teachers 1st - 5th
Students explore sinking and floating.  In this buoyancy lesson plan, students conduct an investigation dealing with regular and diet soda. Students drop various soda cans into water and then discuss why some float and some sink. 
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Activity
Exploratorium

Bubble Suspension

For Teachers 5th - 9th
Create a cushion of carbon dioxide gas to float some soap bubbles on. Many concepts can be demonstrated through this activity: Carbon dioxide gas is more dense than air Bubbles are semipermeable, allowing only carbon dioxide to diffuse...
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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 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
Curated OER

Design a Plankton

For Teachers 3rd - 5th
Students explore animal and plant adaptation.  In this ecosystems science lesson, students view websites to gain information about plankton and its  interdependence within ecosystems. Students identify ways in which plankton has adapted...
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Lesson Plan
Curated OER

Let's Get Fizzical

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

Water Olympics

For Teachers 2nd - 5th
A fascinating and engaging lesson on the properties of water awaits you. In it, learners engage in four activities that are designed to teach about the properties of water. This exciting plan has worksheets embedded in it which make the...
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Worksheet
TLS Books

Vocabulary Practice

For Students 3rd
Using context clues is a valuable skill in reading comprehension. Help kids to learn about homonyms with a multiple-choice worksheet, in which they read two sentences and fill in the blanks with the word that would work in both.