Grades: Middle School Subject Area: Science, Ecology Made Possible By: BBC Video Take your students on an amazing worldwide journey to explore the diversity of animal life with this study guide to the 11-part documentary series, Planet Earth. Students learn how animals have adapted to the many different habitats that support life on Earth and take a field trip to investigate animal life in a local micro-habitat such as their own backyard, then research an endangered species to raise awareness of the need to preserve biodiversity on our planet.

• Bbc Planet Earth Africa

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Structure and composition of the Earth The Earth is almost a sphere. These are its main layers, starting with the outermost:. (relatively thin and rocky).

Bbc Planet Earth Africa

(has the properties of a solid, but can flow very slowly). (made from nickel and iron) A cross-section showing the Earth’s structure. The outer core is liquid and the inner core is solid The radius of the core is just over half the radius of the Earth. The Earth’s surrounds the Earth. The Earth’s crust, its atmosphere and oceans are the only sources of the resources that humans need.