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Geologic Time: Relative and Absolute Dating
Students 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
Students 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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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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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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Weightlessness Demonstration
Students investigate gravity. For this weightless lesson students complete a lab activity about how a free fall might effect how one perceives gravity.
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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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Fossil Guide
Students 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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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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Human Evolution
Students make and use observations of Laetoli footprints to provide clues to life in the past. They collect and analyze data to study the relationship between foot length and body height.
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Charting the Moon
Sixth graders observe changes in the moon's appearance over a month and keep records of their observations. They write a plan for recording what they see, and a paragraph reflecting on what they have learned over the course of the month.
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Lesson 3: Understanding Population Growth
Students explain population growth in Maryland and its relationship with age structure, household growth and consumption of land.
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Do Human Practices Affect Water Quality?
Pupils determine if human practices have any noticeable effects on the quality of stream life as measured by the presence of certain macroinvertebrates. They collect, preserve and identify macroinvertibrate samples and quantify the data.
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Life in Streams and Ponds
Students collect microorganisms, demonstrate correct laboratory/Gram stain procedure, and design and construct tables to organize data.
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An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Students identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
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