Earth science
Plate tectonics, weather, phases of the moon, planetary motion. View the large flow of the Earth and the universe in miniature.
20 experiments
Times include reading the explanation and completing all six steps. Your pace may vary.
Plate boundaries and landforms
Compare the topography and earthquake distribution that appear according to the relative motion of the plates.
Seismic waves and earthquake epicenters
The epicenter is estimated based on the P-wave and S-wave arrival time differences at the three observatories.
Relative ages of rock layers
Restore the history of formation by changing the order of sedimentation, folding, faulting, and intrusion.
Magma cooling and crystal size
Compare the crystal structures created by different cooling rates.
Fossil evidence and continental fit
Infer the past placement of continental fragments from evidence of fossil distribution
Rising air and clouds
Raise the air parcel to find the height at which condensation begins
Weather fronts
Connects cross sections of cold and warm fronts and changes in observation points
Land and sea breezes
Check out how the difference in land and sea temperatures between day and night changes the wind.
Moon phases
Connect the arrangement of the sun, earth, and moon with the shape of the moon seen from earth.
Axial tilt and seasons
Compare day length and solar altitude according to rotation axis tilt and orbital position.
Eclipses and orbital inclination
Finding the reason why consciousness does not always occur even in the same sak·mang
Planetary orbits and Kepler’s laws
Compare the area swept during the same period of time in an elliptical orbit.
Stellar temperature, radius, and luminosity
Compare the effects of surface temperature and size on the brightness and spectral curve of a star.
Annual parallax and distance
Measures the change in position of background stars according to the observation baseline and star distance.
Temperature, salinity, and seawater density
Compare water with different temperatures and salinity and predict which will sink.
Trade winds and El Niño
Connects trade wind changes, thermocline, upwelling, and east-west water temperature differences.
Albedo, greenhouse effect, and radiation balance
Observe the difference in equilibrium temperature by varying reflectance and atmospheric effects.
Water cycle and urbanization
Compare the effects of changes in impervious area on rainwater runoff, infiltration, and storage.
Groundwater and contaminant transport
Observe the movement of pollutants by changing the well location and water intake amount.
Carbon reservoirs and emissions
Compare the amount of carbon in the atmosphere, oceans, and land by changing emission and absorption conditions.