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Displaying 101-120 of 6433 resources
• Resource Type: Document

## What's So Special about Water

Grades: TK/K to 6
Subjects: States of Matter (solids, liquids, gases), Physics, Solution Chemistry, Earth & Space Science and 4 additional..
In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve s...
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• Resource Type: Website / HyperLink

## What's So Special about Water

Grades: TK/K to 6
Subjects: States of Matter (solids, liquids, gases), Physics, Mathematics, Earth & Space Science and 2 additional..
In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners te...
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• Resource Type: Website / HyperLink

## What's My Ratio?

Grades: 6 to 9
Subjects: Number Sense, Rates and Proportions
In this activity, students use linear measurement and calculators to investigate proportionality and determine the constant rati...
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• Resource Type: Website / HyperLink

## What's My Ratio?

Grades: 6 to 9
Subjects: Number Sense, Rates and Proportions, Professional Development
In this activity, students use linear measurement and calculators to investigate proportionality and determine the constant rati...
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• Resource Type: Website / HyperLink

## What's My Number?

Grades: TK/K to 9
Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent), Mathematics, Algebra & Functions
Combine logic and numbers in this game for all ages. Players start with a 10x10 grid of the numbers 1 to 100. One person chooses...
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• Resource Type: Document

## What's in the Water?

Grades: TK/K to 9
Subjects: Classification, History-Social Science, Earth & Space Science, Life Sciences and 4 additional..
In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water...
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• Resource Type: Document

## What's for Dinner?

Grades: TK/K to 6
Subjects: Our Solar System, Classification, History-Social Science, Earth & Space Science and 4 additional..
In this activity (page 7-8 of the PDF), learners will create a food web and explore food sources for different organisms. They w...
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• Resource Type: Document

## What Shall I Wear Today?

Grades: TK/K to 6
Subjects: Mathematics
In this activity, learners examine possible combinations (outcomes) by creating different outfits with shirts and pants and crea...
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• Resource Type: Website / HyperLink

## What on Earth is Plate Tectonics?

Grades: TK/K to 9
Subjects: Geology & the Dynamic Earth, Earth & Space Science, Earth's Resources, Weather, Climate & Atmosphere
Discusses the crust, mantle and core with text and schematic drawings. Links to other sections of the same publication on the li...
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• Resource Type: Document

## What Molecules Make the Holes in Bread?

Grades: TK/K to 12
Subjects: States of Matter (solids, liquids, gases), Physics, Chemical Reactions & Stoichiometry, Earth & Space Science and 2 additional..
In this activity, students will discover why there are holes in bread. By mixing water, yeast and sugar, students will see bubbl...
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• Resource Type: Document

## What Lives Here

Grades: TK/K to 6
Subjects: Agriculture & Natural Resources, Classification, History-Social Science, Evolution and Adaptation and 5 additional..
In this outdoor activity/field trip, learners explore an aquatic site such as a pond, lake, stream, river or seashore to find an...
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• Resource Type: Website / HyperLink

## What Kind of Continental Margin am I? Active or Passive?

Subjects: Geology & the Dynamic Earth, Earth & Space Science, Earth's Resources
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• Resource Type: Website / HyperLink

## What Is Uranium?

Subjects: Agriculture & Natural Resources, Earth's Resources
This site contains a detailed description about the properties of uranium and some of its applications in the energy industry. T...
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• Resource Type: Website / HyperLink

## What is the Hydrosphere?

Grades: TK/K to 9
Subjects: Earth & Space Science, Earth's Resources, Ecology & Ecosystems
This page defines and describes the hydrosphere and provides several photographs.
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• Resource Type: Website / HyperLink

## What is the fate of CO2 produced by fossil fuel combustion?

Subjects: Agriculture & Natural Resources, Weather, Climate & Atmosphere
This assignment uses a box-model to simulate the earth's carbon cycle. The model hindcasts the atmospheric CO2 increase during t...
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• Resource Type: Website / HyperLink

## What is Fusion?

Grades: 6 to 9
Subjects: Current Science, Technology, Nuclear Energy, Measurement, Tools, and Data Analysis and 3 additional..
This page defines and desribes fusion. It explains why we should be interested in it as a renewable source of energy.
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• Resource Type: Website / HyperLink

## What is Beringia?

Subjects: Agriculture & Natural Resources, Geography, Earth's Resources
This brief article by the National Park Service describes the history and location of the Bering Sea land bridge.
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• Resource Type: Website / HyperLink

## What is Alternating Current?

Grades: TK/K to 9
Subjects: Physics, Electricity & Magnetism
This article discusses alternating current and compares it to direct current. Schematic drawings are included.
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• Resource Type: Website / HyperLink

## What Is a Theory?

Grades: 6 to 12
Subjects: Science
In these two audio interviews from NOVA Online, learn about the difference between the common understanding of the word "theory"...
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• Resource Type: Document

## What Is a Seed?

Grades: TK/K to 6
Subjects: Agriculture & Natural Resources, Technology, Measurement, Tools, and Data Analysis, Life Sciences, Structure and Function in Living Things
In this activity learners observe seeds, discuss what they are, and predict what they will become by creating a picture using ac...
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