The 2030 Energy Frontier: Green Hydrogen vs. Lithium Economics
Students compare green hydrogen and lithium-ion technologies using economic data, storage density, infrastructure needs, and scalability.
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Science · 7–8
Exploring Great Lakes Food Webs
Students explore producers, consumers, decomposers, trophic levels, and energy transfer within a Great Lakes ecosystem.
$5USD · Digital download
Students explore producers, consumers, decomposers, trophic levels, and energy transfer within a Great Lakes ecosystem. They construct and analyze a food web, then investigate how zebra mussels disrupt ecosystem balance.
4 pagesof ready-to-use material · PDF
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What you’ll teach
Clear goals. Useful learning.
- Students will identify producers, consumers, and decomposers in a Great Lakes ecosystem.
- Students will model energy transfer through food chains and food webs.
- Students will analyze organism interdependence and ecosystem vulnerability.
- Students will predict the effects of an invasive species on a food web.
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