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Crystals: What Are They and What Holds Them Together
Students are introduced to the characteristics of crystals and what keeps them together. Using the Periodic Table, they examine the various elements and develop a model of an atom. In groups, they place sugar and salt in petri dishes...
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Rainwater Harvesting, A Practice for Puerto Rico?
Students identify the various sources of water in Puerto Rico. In groups, they research the various ways people in the country gather their water. They also analyze the reasoning behind water catchment systems to end the lesson.
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Arbor Day
First graders study the importance of trees to our environment. they make their own version of the story by completing the following sentence and then completing an illustration for their writing. "A tree can be ______."
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Here it Comes Again
Second graders work in small groups with on cup each of warm and ice water. They observe the outsides of the cups. They exhale onto a small piece of mylar or mirrors and discuss the change in appearance. Students discuss where the foggy...
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Get to know H2O!
Students investigate scientific concepts and inquire about physical states of matter. The transition of water is considered and is easy to facilitate because of its abundance and often observed physical changes.
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Invisible Ink
Pupils wxplore acids and indicators by watching a demostration in which "magic" ink appears. They duplicate the demonstration by writing magic messages using phenolphthalein solution and painting the message with vinegar to show it.
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Greenhouse Design
Learners work individually, or with partners, to develop a design for a
greenhouse, and calculate space requirements, equipment needed and cost of operation. They construct a scale model of the greenhouse.
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Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation
Students explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...
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Milk and Dairy, Day 1
Students review different types of milk products and their characteristics, demonstrate how to select and prepare milk and milk products, identify standard serving sizes, define terms associated with milk and milk products, and practice...
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Talking About Clouds
In this weather worksheet, students read a selection about the water cycle and cloud identification. Then the students fill in the missing words in 5 sentences and write the name of 5 cloud types while describing the clouds.
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Water Cycle Relay
Fourth graders study the water cycle in nature. In this water cycle activity, 4th graders review the hydrologic cycle by reading the poem. Students then study a picture of the hydrologic cycle and fill in the blanks with the missing...
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Salty Sea Water
Students conduct an experiment to find out if there is salt in the ocean. In this scientific inquiry lesson, students pour a cup of salt water onto an aluminum plate and observe the changes over a few days. Students complete an included...
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What Foods Contain Products from the Ocean
Fifth graders learn about foods from the ocean. In this ocean products lesson, 5th graders brainstorm what foods come from the ocean, fill in a Venn Diagram comparing alginates, carrageenans and beta carotenes. Students make a list of...
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Biodiesel Combustion and Its Influences in NOx Emissions
Tenth graders evaluate the physical mechanisms that cause a change in NOx emissions. In this combustion lesson plan, 10th graders participate in a research project. Students create a presentation of their findings.
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Miller-Urey Experiment Amino Acids & The Origins of Life on Earth
Students study the Miller-Urey Experiment including its history and criticism. In this origins of life lesson students repeat this experiment to see how it works.
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Determining the Amount of Transpiration from a Schoolyard Tree
Students calculate the amount of water transpired by a single leaf and estimate that transpired by an entire rainforest.
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Thunderstorm Outflow
Students list at least three physical characteristics of a thunderstorm outflow. They explain what physical process occurs in a thunderstorm to create the storm's outflow, and locate the thunderstorm's outflow.
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A SALT WATER-Y WORLD
Students observe a model of the distribution of the earth's water and compare the relative volumes and percentages of types of water on earth.
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Observing Buffers In Lakes, Ponds And Streams
Students observe the effects of limestone on the acidity of water. Some areas of the nation have a lot of limestone in lake bottoms and in soil, which helps neutralize the effects of acid rain. Students see this effect first hand.
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Don't Marry the Mole!
Third graders demonstrate the power of solar energy by completing a variety of activities, including the creation of a Pizza Box Solar Oven.
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Observing Brine Shrimp
Students observe brine shrimp eggs, create an appropriate environment for their survival, and observe their growth.
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What's Happening in My World?
Students look for examples of chemical and physical changes in the world around them and complete "What's Happening in My World" worksheet.
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Water Table
Students predict from a rock sample whether a water well could be drilled in that type of rock. They predict what conditons would be necessary for the well to produce water.