00:00 - 02:05
2m 5s
Bill Nye explains that thermohaline currents are created by warm and salty water sinking and rising in the ocean. Water with a higher concentration of salt is more dense and thus sinks into the ocean.
Video Transcript
Related Clips
This clip illustrates ocean currents and the factors that affect them. It mentions that there are both surface currents and deep sea currents, which make up 90% of the ocean's water. It also explains how the Earth's rotation causes phenomena such as the Coriolis Effect.
Has profanity
Marlin awakens in the East Australian Current, riding on a sea turtle named Crush, who speaks like a stereotypical "surfer dude."
Bill explains how the ocean affects climates in different parts of the world. He mentions the Gulf Stream and how it keeps Britain much warmer it would be otherwise. He also explains El Nino and how it affects the climate of the Americas.
Bill Nye explains what volcanoes are, how they're formed, and what causes an eruption. He then explains the impact of volcanoes on the earth's geography.
Scrat places a nut on the ground, causing the Earth to split in half. He travels down the layers of the Earth and chases the nut on the Earth's core. This clip comically shows how the different continents and many of Earth's iconic structures formed.