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Snow vs. Water
Students fill three cups with snow. They record the height of snow in each cup, and allow the snow to melt. Students measure the height of the water in each glass or cup, and record their results on the worksheet. They answer questions...
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The Floating Golf Ball
Fourth graders discuss density. In this floating golf ball lesson students complete a lab activity on density while working in groups.
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Water Density and Stability Lab
Students observe how different water densities and salinity control the depth at which different water masses occur. Submarines are used as a case study. This is a well-designed with an excellent worksheet.
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Sink or Float?
Students predict and explore to discover which objects sink or float in fresh and salt water, predict how salt affect objects, write predictions on T chart, discuss difference between man-made and natural waters, and graph results.
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Finding the Salt Front
Students discuss definitions of estuary, salinity, and the salt front. They listen as the teacher explains the Hudson River Miles and ways the upriver and downriver sections relate to the north and south. Students graph the salt front...
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Water Quality Monitoring
Pupils comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
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Salmon Life Cycle
In this life cycle instructional activity, students fill in the blanks with words about the life cycle of a salmon. Students complete 20 words about the life cycle.
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The Romans: Public Health and Water
In this Ancient Rome worksheet, students read about the public health system of Ancient Rome: aqueducts, public baths and sewers.
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Exploring Marine Objects
Students identify the sources of water on Earth. In this life science lesson, students list the different plants and animals that live in the ocean. They explore marine objects in the lab and draw them.
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Rivers for the Common Good
Students explore what effects improper waste disposal and water pollution have on the water cycle. They explore how philanthropic acts can help protect the water cycle and keep our water and planet clean.
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Does a change in pH affect the growth and survival rate of aquatic plants?
Students determine if changes in pH affect the growth and survival rates of aquatic plants. They evaluate the optimal pH levels for the growth of aquatic plants.
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Drop in the Bucket
Young scholars study the sources for the water they use. They determine their town's major water supply and how many gallons per day does the population use.
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Salmon Run
Students examine the life cycle of the Pacific salmon and the impact of humans on salmon migration. They watch a Powerpoint presentation, trace migration routes on satellite imagery, and complete mock calculations of salmon energy...
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Water, Water Everywhere
Pupils estimate the amount of water that can be found in its various forms including oceans, lakes, glaciers, rivers, etc. They view a demonstration about water distribution and discuss flash flooding safety precautions.
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Learning Lesson: Salt 'n Lighter
Students participate in a demonstration showing that as salinity increases density increases as well. They also examine the different densities of air. They discuss the amount of water displaced by large ships.
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Sink or Float Experiment
Middle schoolers 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...
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Relating Number of Insect Species to Water Quality
Students are asked to respond to questions such as:" Have there been surveys of the area to inventory the species?" (For example, for a wetland area, do they know what amphibians live there and how abundant they are?) Are there any...
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Tracking the Salt Front
Students manipulate Hudson River salt front data from October 2004 -
September 2005 to locate the high and low points of the salt front for each month, They determine the range for each month, determine the modal range for each month,...
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Locating the Salt Front
Learners use Hudson River salinity data to create a line
graph that shows the location of the salt front, and use math
skills to explore how this location varies over time. They use the graph to estimate the location of the salt front...
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Where Do Fish Live in the Hudson?
Students explore the environmental factors that influence where fish live and determine the makeup of fish communities in the Hudson. They interpret guided observations and measurements to assess patterns, sequences and relationships.
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Daily Survival Requirements of Water
Students will use inquiry science to complete an investigation. They create hypotheses predicting the changes water undergoes in becoming ice and determine how much ice needs to be melted to create one 8 oz. glass of water.
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Fish Communities in the Hudson
Students use tables of fish collection data to draw conclusions about where fish live in the Hudson Estuary. Given available data they interpret organized observations and measurements and recognize simple patterns, sequences, and...
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Daily Edits: Water
In this sentence correction worksheet, students read the sentences and rewrite them by editing them with corrections. Students complete 4 examples.
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Using A Winogradsky Column to Analyze Microbial Communities
Students use easily obtained materials to study ecological succession in a microbiological community. They collect water samples from outdoor sources in plastic bottles to observe and record changes.
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