bet36体育在线真的吗How do giant sequoias transport water and nutrients upwards for hundreds of feet, from roots to canopy?
bet36体育在线真的吗A rainforest’s ability to take a deep breath depends on a somewhat surprising factor—the age of its leaves.
bet36体育在线真的吗In this silent video, view color-coded data which show how California's trees were affected by drought in 2016.
Ecosystem-wide, is the Amazon storing or releasing more carbon dioxide? Watch this silent clip to view the data.
What would you see if you could shrink down to fit inside a plant cell?
Plate Tectonics & Earthquakes
bet36体育在线真的吗Evidence from fossils, glaciers, and complementary coastlines helps reveal how plates once fit together.
The inside of our planet is made primarily out of iron and nickel and dark, dense rock.
bet36体育在线真的吗Learn about all the individual elements and forces that make up an earthquake.
Sequence: How Seasons Affect Producers and Consumers
Earth's rotation changes the angle at which sunlight hits the planet's surface, creating the different seasons.
bet36体育在线真的吗Witness the influence of the sun on the seasonal abundance of plant matter produced on land and in our oceans.
See how seasonal changes drive patterns in animal behavior.
Connections to Human Society
bet36体育在线真的吗How is the development of human population centers linked to the development of agriculture?
This clip demonstrates global ship traffic over an eleven day period.
bet36体育在线真的吗Real-time air traffic reveals travel patterns occurring on timescales far more rapid than species migration.
bet36体育在线真的吗This toolkit provide ideas, strategies, and resources for incorporating infographics into science curricula.