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Frozen Water Before? I'm Sure You Have; But I Bed You've Never Frozen Salt Water! Water!!
Students examine what happens to salt water when it freezes. In groups, they measure density and salt concentrations in different samples of water and record its freezing time. They discuss the relationship between water density and...
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Where Have All the Road Salts Gone, Long Time Migrating
Young scholars examine what happens to road salt after it is applied to the road during a storm. In groups, they collect their samples using a conductivity meter and enter their data into a database. They analyze and discuss the data...
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Three D Constellations
Students are introduced to both celestial coordinates and to the first rung on the distance determination ladder. They convert spherical coordinates to Cartesian coordinates to construct a three dimensional model of a constellation...
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Sea Ice Research
Learners study sea ice and its importance in climate and climate change. They discuss sea ice as a presence of a food source for marine animals in the arctic and complete a lab activity. After completing the lab, they watch a video...
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The Magnetic Sun
Students follow steps to build a simple version of a magnetometer, an instrument capable of detecting areas of strong magnetic field. Students use the magnetometer to investigate models of the Sun and examine images of the Sun.
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How Does Climate Affect Our Shelter Needs?
Fourth graders investigate how weather influences shelter choices. They explore the concept of insulation and discuss some traditional Native American shelters. They discuss the shelters used by the Okanogan people during the various...
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Geologic Time: Relative and Absolute Dating
High schoolers investigate relative and absolute dating; determine the difference between the two dating systems; and apply this knowledge by creating a geologic timetable of their own.
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If You Mess With A Wetland, At Least Try to Make Amends!
Eighth graders examine the role of wetlands in an ecosystem. In groups, they use the internet to research how humans have disturbed and ruined the effectiveness of wetlands throughout the country. They pretend they are in charge of...
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Tree Anatomy
Students learn the basic anatomy of a tree through exploration of tree centers.
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On the Surface
Students draw and label the 15 major rivers in Texas. They then draw and label another map with the major lakes and reservioirs of Texas. Students use the maps and locate and label the location of the following major Texas cities:...
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In Search of Cosmic Rays
Middle schoolers compare rates to altitude. They conduct a class discussion about the results.
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Sediment Tubes
Students observe how different density soils and rocks behave in wind and in water. They make predictions and careful observations as they explore sediment transport and sediment rates in streams and rivers.
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Preventing Water Pollution
Fourth graders write at least two ways to clean the water and two ways to prevent pollution with appropriate guesses, striving not to create any more pollution in the water. They understand how pollution affects water as well as the rest...
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Surface Water Supplies And The Texas Settlements
Pupils engage in a lesson that is concerned with the allocation and finding of water resources. The location of different settlement areas is considered as one looks how the water is distributed. They map some of the early Spanish and...
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What Are the Seasons?
First graders explore seasons and how they are part of a continuous circle.
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Classifying Rocks
Students classify rocks into groups after they observe the rocks and identify properties that can be used to divide them into groups. They then identify other properties that could be used to classify other objects into groups.
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Cold Fusion?
Students apply their knowledge of relativity and nuclear radiation to the concept of cold fusion. They also read the article from the website listed in the related and resource websites and discuss the article with the class.
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Adapted to Fire
Fourth graders explore forest species' adaptations to fire by participating in a scavenger hunt and mapping a burned forest. Students create maps and explore how indigenous species adapted to living with fire.
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The Water Cycle
Students create an "animated" water cycle wheel that illustrates where water comes from and where it goes.
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Weightlessness Demonstration
Students investigate gravity. In this weightless lesson students complete a lab activity about how a free fall might effect how one perceives gravity.
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Fossil Guide
Young scholars produce a "Fossil Guide" that covers twelve fossils and includes a drawing and written description for each fossil. The written description should include such things as size, shape, and general appearance.
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Aerology- The Study of Mars
Students investigate various aspects of the planet Mars. They examine a core sample that is simulated to make observations. Then compare the known sample with one that is unknown and differentiate between the two. Students hypothesize...
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Pollution Solution
Fourth graders examine how trees help to absorb the pollution that is emitted from automobiles. They review the process of photosynthesis and determine how forest management is important on their reservation. They think about the...
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A Living Watershed
Students, through this series of lessons, use local resources, speakers, print and video materials, as well as standard text materials to study the ecosystem of the local watershed.
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