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Earth and Space: Uncharted

CoursesEarth and Space

Earth and Space

Why beach pebbles are round, why the weather app is sometimes wrong, why the Moon changes shape, and why summer has nothing to do with being closer to the Sun. The planet under your feet and the sky over your head, finally explained.

Easy to Intermediate
10 units
200 lessons

Follow the units in order, or explore any lesson that interests you.

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Course syllabus

10 units

1. Planet Earth
Meet Earth as four interacting systems, then look beneath its thin skin and learn how maps and scale reveal the whole planet.
20 lessonsStart here
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2. Rocks and Minerals
Read minerals, textures, layers, and rates as evidence of the journeys that make and remake rock.
20 lessons
3. The Restless Crust
Follow plates moving at fingernail speed and read the earthquakes, mountains, and volcanoes produced at their edges.
20 lessons
4. Shaping the Land
Watch rock break, sediment travel, soil assemble, and layers preserve an incomplete record of deep time.
20 lessons
5. The Ocean
Map the hidden seafloor and connect pressure, currents, waves, and tides with evidence at the shore.
20 lessons
6. The Atmosphere
Treat air as a weighted, moving ocean whose layers, pressure, wind, and water shape daily experience.
20 lessons
7. Weather
Read clouds, fronts, storm engines, measurements, probability, and uncertainty like a careful forecaster.
20 lessons
8. Climate and Seasons
Replace the distance myth with tilt geometry, then read climate belts, local contrasts, and long records.
20 lessons
9. The Solar System
Use motion, light, scale, and alignment to explain the Sun, lunar phases, eclipses, and the eight planets.
20 lessons
10. Stars and the Universe
Read old starlight, trace stellar lives, locate our galaxy, and stretch one scale model to the observable universe.
20 lessons

200 lessons across 10 units. Start with any published unit.