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This 6-week unit is designed as a whole-class experiment; students work in teams to grow a selected strain of Brassica rapa from seed to seed, and examine plant traits as they develop over the course of a life cycle. Plants are grown in populations large enough so the variation of traits within a population can be documented and analyzed. Essential inquiry questions addressed are: What makes one individual ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Lab activity, Ask an expert, Discussion / Forum
Subject: Biology
 
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This module is framed as a challenge to cause and explain the most extreme bending in celery petioles (stalks), designed as two guided inquiries and an open inquiry with introductory and concluding class discussions. In the introductory discussion, students imagine a real world scenario about preparing celery the day before a party. Working in small teams, students observe and try to explain two phenomena: ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Lab activity, Ask an expert, Discussion / Forum
Subject: Biology
 
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This 2-week or longer investigation can be adapted to a variety of levels, depending on which resources fit the students. Leaves are the primary photosynthetic organs in plants. Much of the internal volume of a leaf consists of air spaces that are necessary for gas exchange. The principle of leaf disk flotation is to remove the air from these intercellular spaces, a process called infiltration, and ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Lab activity, Ask an expert, Discussion / Forum
Subject: Biology
 
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This 4-8 week module is designed as a whole-class experiment. Students work in teams to understand genotypic variation among recombinant inbred lines (RILs) of the model organism Arabidopsis thaliana. Seeds are used from two parent lines, Columbia and Landsberg, as well as numerous recombinant inbred lines (RILs) developed by crossing the parent lines. In a guided inquiry investigation, students sow ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Classroom activity, Lab activity, Ask an expert, Discussion / Forum
Subject: Biology
 
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Though intended primarily to serve grades preK-12,and to be available as a resource for teachers and parents anyone is welcome to use Ask A Biologist. Life-long learners may also enjoy many of the content areas on the website. A Teacher Toolbox page provides ideas for teaching a wide variety of topics in biology. A collection of podcasts and videos features interviews with biologists about their work. ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8), High (9-12), General public
Resource type: Photograph, Video, Ref. material, Ask an expert
Subject: Biology
 
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The Supporting Assessment in Undergraduate Mathematics (SAUM) project provides information on assessment and assessment techniques. The purpose of SAUM is to support faculty members and departments in efforts to assess student learning in coherent blocks of courses in undergraduate mathematical sciences or in innovations that may consist of a single course. The website contains assessment links, frequently ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Assessment / Evaluation, Ref. material, Ask an expert
Subject: Educational theory and practice, Mathematics
 
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This resource is included in the following collections:
Starting Point    Browse collection
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This site contains slide shows and virtual field trips of Yellowstone National Park. There are several slide shows to chose from, including wolves of Yellowstone, bear research, fire ecology, the history of Yellowstone and the influence of art on Yellowstone Park. Each program features slides containing text and photographs. There is also an orientation slide show about the National Park system. More ... Full description.
Grade level: Middle (6-8), High (9-12), Informal, General public
Resource type: Field trip - virtual, Presentation / Demo, Photograph, Ask an expert
Subject: Biology, Environmental science, Human geography, Natural hazards, Policy issues
 
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Pedagogical help
Misconceptions: Read (3)
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This resource is included in the following collections:
Cutting Edge    Browse collection
Pedagogically Annotated Collection     Browse collection
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This site offers adults, teachers, and kids access to basic earthquake information, including Frequently Asked Questions, glossaries, simple exercises with science fair materials, news, short reports, preparedness information, and the Ask-a-Geologist service. Links are provided to selected organizations, professional and nonprofessional. Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8), High (9-12), College (13-14), Informal
Resource type: Glossary, Ref. material, Ask an expert
Subject: Geophysics, Natural hazards
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This introductory astronomy website offers extensive resources for students and teachers. Kids' resources include a series of assignments for ages 7-11 and 12-18, a discussion board and Ask An Expert section, email postcards, puzzles, games, movies, and coloring books. Teacher resources include lesson plans for later elementary, middle school, and high school students, lesson sharing, worksheets, ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lesson plan, Ref. material, Ask an expert
Subject: Space science
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This website provides tools for teaching forestry topics. It includes information about videos and classroom materials, teacher workshops, grants and opportunities, links to other forestry sites, ask-a-forester, downloadable newsletters about environmental and forestry education, a kids section, and downloadable lesson plans. The lesson plans cover topics such as wood, timber, properties of wood, ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Lesson plan, Periodical, Ask an expert
Subject: Environmental science, Forestry
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Results 41 - 50 of 86 <<  1 2 3 4 5 6 7 8 9  >>