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A Kid's Worst Nightmar? At grade

Describes why world record giant vegetables are grown in Alaska, the land of the midnight sun.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged ...

A Habitable Plane? Basic

The Curiosity Rover on Mars found evidence of a stream bed that would have been suitable on Earth. Now the search is really on for hard evidence of life.

It is an educational content of CK-12 Foundatio ...

A Gigantic Experimen? Basic

Atmospheric carbon dioxide levels reach 400 ppm and no one knows what the outcome of this experiment will be.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you ...

A Better Bridg? At grade

The eastern span of the San Francisco-Oakland Bay Bridge was replaced with an earthquake resistant self-anchored suspension bridge becuase the old span was found to be unsafe in an earthquake.

It is an ...

5 Thing? Basic

The 2013 IPCC report makes five major points including that warming is happening and humans are mostly to blame.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents y ...

21st Century Tsunam? Basic

Covers the consequences of recent tsunamis.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

21st Century Tsunam? At grade

Covers the consequences of recent tsunamis.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Big Ban? Basic

Hipervinculo Física

Big Ban? Basic

Understand the Big Bang theory and the aftermath of the Big Bang.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Big Ban? At grade

Hipervinculo Física

Big Ban? At grade

Understand the Big Bang theory and the aftermath of the Big Bang.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Each big idea is backed by supporting concepts comparable to those underlying the national Science Education Standards and the American Association for the Advancement of Science Benchmarks for Scienc ...

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