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 · All grades
Understanding Soil Types and Erosion: Soil Shake-Up Investigation
Students investigate sand, silt, and clay by observing texture, predicting water movement, and recording settling times.
$3.99USD · Digital download
Students investigate sand, silt, and clay by observing texture, predicting water movement, and recording settling times. The activity also introduces soil erosion, vocabulary, and the effects of particle size and spacing on water flow.
4 pagesof ready-to-use material · PDF
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What you’ll teach
Clear goals. Useful learning.
- Students will identify characteristics of sand, silt, and clay.
- Students will predict and observe how water moves through different soil types.
- Students will compare soil texture, water clarity, and settling time.
- Students will explain how soil particles and vegetation affect erosion.
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