[Plate Tectonics] Using bathymetry, it is possible to identi…

Using bathymetry, it is possible to identify long lines of islands and seamounts that appear to trail from the hot spot that is currently under the island of Hawaii. Watch the video and then answer the following question. Hot Spots and Islands of Hawaii If the Emperor seamounts were formed by hot spot eruptions 70 million years ago and Hawaii was formed by modern eruptions, which way has the Pacific Plate moved? Remember that hot spots remain stationary while the plate moves over them, creating the island chains.

[Stellar Evolution] A main-sequence star, like our Sun, has…

A main-sequence star, like our Sun, has a specific life cycle. In the following animation, click on the “Topics” menu and select “Intermediate Mass Stars.” Watch the animation, and then complete the problem that follows. Click here to open the animation in a new window. Place the following events of an intermediate-mass star’s life cycle in chronological order.