Curated OER
Discovering Chemical Changes
Fourth graders predict what happens in a teacher demonstration of a chemical change, before watching it. They observe the demonstration and list what the see on the board before determining which represent chemical change. Working at...
Curated OER
Water Words Puzzle
In this water worksheet, students fill in the blanks to a crossword puzzle having to do with water words. Students complete 25 blanks in the crossword.
Curated OER
Models of the Water Cycle
Students describe and review the stages in the water cycle. In groups, they build their own models of the water cycle and demonstrate where the water goes in a closed system. They answer discussion questions after the experiment to end...
Curated OER
Swamps, Shrimp, and Tsunamis: A Simulation of Sustainable Development Issues in Coastal Ecuador
Middle schoolers examine the economic benefits, environmental losses and dangers of the shrimp farming industry on the coast of Ecuador. They read a script, role-play people involved in the shrimp business, and write an essay of the pros...
Colorado State University
How Can Clouds Keep the Air Warmer?
Condensing water warms the air around it. Young scholars consider this concept as they experiment with air temperature around evaporating and condensing water vapor. They simulate the formation of clouds to experience the associated...
Colorado State University
Do Cities Affect the Weather? (Making a Cloud in a Bottle)
The dynamics of a city can have a drastic effect on the weather. A hands-on lesson asks learners to build a model to illustrate how city pollution provides a nucleus for condensation. The greater the pollution, the greater chance for...
Curated OER
Towers of the Lost City
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the...
Curated OER
Water's Edge Café
Students observe water birds feeding at a local wetland, record what they see, and construct an appropriate menu for a "Waterfowl Cafe." They also play a "flocking" game.
Curated OER
It's Raining, It's Pouring: The Water Cycle
Young scholars investigate the relationship of the steps in the water cycle, and create a simulation of the water cycle in a jar.
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...
Global Oneness Project
Reclaiming Rivers
Robert Hass's article "Rivers and Stories" underscores the importance of rivers in the development of civilization and the importance of reclaiming supposedly dead rivers and implementing policies that protect river health. Groups...
NASA
Melting Ice: Designing an Experiment
Sometimes, despite the best laid plans, the unexpected will occur. Learners witness this firsthand as they carefully design an experiment to determine the time needed for ice to melt in salt water or pure water. They uncover facts not...
Curated OER
"Dead-Zones" and Coastal Eutrophication: Case-Study of Chesapeake Bay
Take an in-depth look at nutrient loading, eutrophication, and hypoxia using data on The Chesapeake Bay as an example. This comprehensive presentation includes detailed graphs, photos, and details about the changes in marine organism...
Curated OER
Analyzing Tree Rings to Determine Climate Change
Students examine how to locate and access data sets. For this climate change lesson students import data into Excel and graph it.
Curated OER
Urban Ecosystems 4: Metabolism of Urban Ecosystems
Students discover that material and energy uses by a city come from outside the city boundaries. They realize that the pathway of these material is linear instead of cyclical as they are in natural ecosystems.
Curated OER
Rising Water!
Young scholars observe water change from a liquid to a gas state when heated and then return to its liquid stage when cooled. They learn that gas molecules move faster than liquid molecules. They discover physical properties that...
Curated OER
Understanding Chemical and Physical Reactions
In this chemical and physical reactions worksheet, students read a 2 page science article, answer 10 statements as true or false, give 2 ways a chemical reaction is different from a physical reaction, answer 1 short answer question and...
Curated OER
Physical Science Review 5th Grade
In this review of physical science activity, students use recall to answer multiple choice questions about electricity and chemical changes. Students answer 25 questions.
Curated OER
The Nature of Chemical Change: Acting Out An Example
Young scholars illustrate the molecular nature of matter and show that chemical change involves alteration of molecules.
Curated OER
Edible Transformations
Learners differentiate the different phases of matter. For this chemistry lesson, students conduct several hands-on exercises to discover how matter transforms when mixed together. They identify the different stages in the water cycle.
Curated OER
Light and Water
Third graders experiment with coins and water to explore light rays. In this light and water lesson, 3rd graders work in pairs to observe what happens with a coin in water or how it appears based on the density of the water....
Curated OER
Viscosity of Liquids
Fifth graders discuss the properties and characteristics of different substances. They find the viscosity of each substance while at room temperature, when heated and when cooled. They determine if the viscosity of a substance changes...
Curated OER
Elements of Chemistry: Solids, Liquids and Gases
Students predict if icebergs melting has an effect on the sea level rising. In this global warming lesson students complete an experiment to see the effects of melting icebergs and write a conclusion on their data collected.
Curated OER
ChromaCool!
Fifth graders watch a video about physical and chemical changes. In groups, they participate in a variety of activities involving color. They write their observations in a journal. To end the lesson, they use a checklist to classify...