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Browse: Keyword: Ecosystems

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Abundant green plants on the forest floor

(Complete Item Description)

Abstract:: Green plants make their own food by a process called photosynthesis. They also use nutrients and water from the soil to grow. Primary consumers (insects, chipmunks, mice and deer) eat green plants.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Plants and Forests
Collection:: Video and Image Data Access

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Acid Lake

(Complete Item Description)

Abstract:: Add acidity to a healthy lake and see what happens to the plants and animals in this interactive activity adapted from EcoKids.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Plants and Forests , Animals and Insects , Pollution , Industrial and Agricultural Impacts
Collection:: Teachers' Domain

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The Adventure of Echo the Bat

(Complete Item Description)

Abstract:: This pop-up book was designed for K-4 students to introduce them to remote sensing. By following Echo's journey through Arizona they become more familiar with map use and remote sensing images. After completing this book, children ages 5-6 should be able to distinguish between what a satellite sees and what Echo sees, be able to identify patterns and color in the satellite image and compare these to what Echo sees, and begin to extend the concept that texture is not only how something feels but is also how something looks. Older children (ages 7-9) should begin to describe what the satellite is seeing by just looking at the satellite view and they should also be able to describe the location of patterns and colors (i.e., square patterns of irrigated crops are near rivers and green forests are on top of mountains) and make more elaborate observations about texture in the satellite images. A set of activities reinforce the four basic themes or concepts fundamental to interpreting satellite imagery: perspective, shape and pattern, color, and texture.

Subject:: Science and Technology
Grade Level:: Primary
SubTopics:: Soil and Land
Collection:: NASA

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Aerial view of a city

(Complete Item Description)

Abstract:: When a city is built, habitat and most organisms living in it are killed or forced to flee. Cities use a lot of energy and water and create a tremendous amount of waste and runoff. Development is the biggest source of pollution.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Water , Energy , Pollution , Industrial and Agricultural Impacts
Collection:: Video and Image Data Access

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Algae on a rock in the intertidal zone

(Complete Item Description)

Abstract:: Algae are a collection of a millions of photosynthetic protists. These algae are red because of a special pigment. They cement themselves onto rocks in moist areas.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
Collection:: Video and Image Data Access

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Alligator weed

(Complete Item Description)

Abstract:: Alligator weed is a non-native species of plant in the United States that can damage waterways by clogging them and reducing water flow. Also, it grows in a way that reduces light penetration into the water. Alligator weed is being reduced by a few different insects that were released as biological control agents, such as the alligator weed flea beetle.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Plants and Forests
Collection:: Video and Image Data Access

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Analyzing an Ecosystem

(Complete Item Description)

Abstract:: In this interactive activity adapted from the University of Alberta, identify the living and nonliving things in an ecosystem. Then look further at the living things to identify the producers, the consumers, and examples of mimicry.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Green
Collection:: Teachers' Domain

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Animal Products: Pearl necklace

(Complete Item Description)

Abstract:: Oysters are important to the environment because they help filter out some of the toxins and trash in water. When something irritates the oyster's insides, it secretes a substance to coat the irritant. A pearl is then formed. Humans wear pearls as jewelry.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Animals and Insects
Collection:: Video and Image Data Access

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Antarctic Ecosystem

(Complete Item Description)

Abstract:: In contrast with its largely lifeless interior, the Antarctic coastal marine environment supports a vibrant and diverse ecosystem. Explore the region's living bounty in this interactive activity adapted from the Woods Hole Oceanographic Institution.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Green
Collection:: Teachers' Domain

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Aquatic Food Web Interactions: Microcosms as Lake Models

(Complete Item Description)

Abstract:: A laboratory exercise for increasing knowledge of trophic cascades in aquatic ecosystems has led to a better understanding of several basic ecological tenets, including competition, predation, and a variety of other community-level food web interactions using microcosms from whole water plankton collections.

Subject:: Science and Technology
Grade Level:: Post-secondary
SubTopics:: Green
Collection:: Association for Biology Laboratory Education (ABLE)

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Biodiversity in the Dzangha-Sangha Rain Forest

(Complete Item Description)

Abstract:: In this interactive activity from the American Museum of Natural History, play connect the dots and discover the connections between the people, animals, and plants in three habitats of the Dzanga-Sangha rain forest in the Central African Republic.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Industrial and Agricultural Impacts
Collection:: Teachers' Domain

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Biological Invaders

(Complete Item Description)

Abstract:: This video segment from Evolution: "Extinction!" shows the impact of invasive species on native ecosystems.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Industrial and Agricultural Impacts
Collection:: Teachers' Domain

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Birds of Kundha Kulam

(Complete Item Description)

Abstract:: In this Nature video, learn about the extraordinary impact that birds have on the agriculture of a small Indian community.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Animals and Insects , Sustainable Agriculture and Nutrition
Collection:: Teachers' Domain

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Black-tailed deer in the grass

(Complete Item Description)

Abstract:: Deer are herbivores, meaning they graze on plants. Deer are consumed by coyotes, which use their keen eyesight and speed to attack the deer.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Plants and Forests
Collection:: Video and Image Data Access

Buddy Biology: Observing Living and Nonliving Components of an Ecosystem with a Partner

(Complete Item Description)

Abstract:: This activity is a field investigation where students gather data on physical changes of the ecosystem surrounding their school habitat.

Subject:: Science and Technology
Grade Level:: Primary
SubTopics:: Green
Collection:: Pedagogy in Action (SERC)

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Build-a-Fish

(Complete Item Description)

Abstract:: In this interactive activity from Shedd Aquarium, build a fish and then release it into the reef to search for food and evade predators. Try different combinations and observe how each kind of fish has unique adaptations that help it survive in its habitat.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Green
Collection:: Teachers' Domain

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Burned pinyon-juniper stand near Winnemucca

(Complete Item Description)

Abstract:: Fires release nutrients, reduce parasites, and open space for animals and smaller plants needing sunlight. Many pine trees need the intense heat from fires for seed release.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Plants and Forests
Collection:: Video and Image Data Access

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Burrowing Owl

(Complete Item Description)

Abstract:: In this video segment from Outdoor Nevada, learn about burrowing owls, yearlong residents of open, dry grassland and desert habitats, and the only owls that nest underground and are active both day and night.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Animals and Insects
Collection:: Teachers' Domain

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Butter

(Complete Item Description)

Abstract:: Butter is made from dairy products. It contains a lot of fat. Fat is an essential nutrient, but its consumption should be limited.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
Collection:: Video and Image Data Access

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CERES: Clouds and the Earth's Radiant Energy System

(Complete Item Description)

Abstract:: This brochure gives a brief description of the science research that is being done with data from the CERES instrument flying onboard NASA's Terra satellite. It also contains information about some of the data products and technical specifications.

Subject:: Science and Technology
Grade Level:: Post-secondary
SubTopics:: Climate Change
Collection:: NASA

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