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Evolution as Reproduction with Variability
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In this online activity, learners discover how random variation influences biological evolution.
Harmful Algal Blooms: In Full Bloom
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In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.

Mass of the Earth
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In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth.

Handy Measuring Ratio
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In this activity, learners use their hands as tools for indirect measurement.

Outdoor Explorers
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In this activity, young learners go on a walk with caregivers and use their senses to observe nature with the help of scavenger hunt sheet.

¡Las Fases Lunares!
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En esta actividad, Mateo y Cientina enseñan a usar modelos para ver las causas de las fases lunares.