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In this lesson about the origin of life, students will learn that under suitable conditions, life-like structures can form naturally from relatively simple materials. Students will mix a carbohydrate solution with a protein solution, adjust the pH, and view coacervates: amoeba-like objects, which change shape, flow, merge, divide, form vacuoles, release vacuole contents, and show other life-like properties. ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
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National Science Education Standards (NSES): Read
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In this laboratory activity students grow Closterium algae in atmospheres that are enriched with, deprived of, or have normal carbon dioxide. Growth is measured by the color intensity of the algae and the production of oxygen gas. This site contains detailed instructions and sample results. Full description.
Grade level: Middle (6-8), High (9-12), Graduate / Professional
Resource type: Lab activity, Guide for instructor, Ref. material
Subject: Atmospheric science, Biology, Ecology, Environmental science
 
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National Science Education Standards (NSES): Read
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This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on a current controversary among scientists over whether dinosaurs were warm-blooded or cold-blooded. Students research both sides of the argument and then present a debate over this topic. It includes objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, and ... Full description.
Grade level: Middle (6-8)
Resource type: Lesson plan
Subject: Biology, Paleontology
 
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National Science Education Standards (NSES): Read
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This resource will help teachers deal with common misconceptions about evolution, those that are simple misunderstandings and others that may stem from purposeful attempts to interfere with the teaching of evolution. First, five common misunderstandings about evolution and how it works are examined. They include the origin of life, ladder of progress, randomness of evolution, trying to adapt, and ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Tutorial
Subject: Biology, Paleontology
 
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National Science Education Standards (NSES): Read
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Information at this site will help teachers to avoid potential pitfalls when teaching evolution. It will help teachers to understand why they should use function not purpose, evidence not proof, and why they should refer to accepting what the evidence shows rather than believing in evolution. There are also cautions about when to use the terms 'primitive/advanced' and 'theory/hypothesis'. Other potentially ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Ref. material
Subject: Paleontology
 
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National Science Education Standards (NSES): Read
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This lab investigates the exchange of carbon dioxide between the atmosphere and the ocean's surface. It is based on the fact that carbon dioxide dissolves in the ocean and provides the source of that plants and plankton living in the ocean rely on for photosynthesis. Students will discover that the amount of carbon dioxide the ocean can contain depends on the temperature of the water and its salinity ... Full description.
Grade level: Middle (6-8)
Resource type: Lab activity
Subject: Atmospheric science, Chemistry, Chemical oceanography
 
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This lab teaches students about the nature of carbon, the different types of compounds it exists in (e.g. charcoal, glucose, carbon dioxide), the biochemical reactions it takes part in (photosynthesis and respiration), the range of processes that carbon and carbon compounds are involved in on Earth, and how these link together form the carbon cycle. They will get a feel for how the whole carbon cycle ... Full description.
Grade level: Middle (6-8)
Resource type: Lab activity, Glossary
Subject: Atmospheric science, Chemistry, Environmental science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This lab aims to teach students about the nature of carbon, the different types of compounds it exists in (e.g. charcoal, glucose, carbon dioxide), the biochemical reactions it takes part in (photosynthesis and respiration), the range of processes that carbon and carbon compounds are involved in on Earth, and how these link together to form the carbon cycle. In this activity, carbon dioxide is released ... Full description.
Grade level: Middle (6-8)
Resource type: Lab activity, Glossary
Subject: Atmospheric science, Chemistry, Biological oceanography, Chemical oceanography
 
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National Science Education Standards (NSES): Read
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This activity discusses the nature of carbon, the different types of compounds in which it exists (e.g. charcoal, glucose, carbon dioxide), the biochemical reactions in which it takes part (photosynthesis and respiration), the range of processes that carbon and carbon compounds are involved in on Earth, and how these link together to form the carbon cycle. This activity demonstrates the uptake of ... Full description.
Grade level: Middle (6-8)
Resource type: Lab activity
Subject: Biology, Environmental science
 
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This lesson plan is designed to help students understand the interrelatedness of food webs and to see how populations of organisms affect each other. Students assume the roles of the various organisms in the ecosystem; the ones that are dependent upon each other are symbolically connected by lengths of yarn. A materials list, instructions, assessment ideas, and educational standards are provided. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity
Subject: Biology, Ecology
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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