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What Will Happen When Earth's Poles Flip? Basic

Discover how and why Earth's magnetic poles reverse positions and what the next reversal might mean for life on Earth.

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

What Am I Made of? Basic

Find out which elements are most common in the human body and what roles they play in the body.

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

What a Drag? Basic

Find out why water creates a type of friction called drag and how a swimmer can reduce drag to swim faster.

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

Wet or Stink? Basic

Find out how deodorants and antiperspirants work and when to use each type of product.

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

Welcome to the Fun Hous? Basic

Find out how mirrors with curved surfaces reflect light and form images, and learn some real-world uses of curved mirrors.

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

Wedg? At grade

Hipervinculo Física

Wedg? At grade

What a wedge is and its mechanical advantage, how it changes force to make work easier.

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

We All Scream for Ice Crea? Basic

Learn why salt is used to make homemade ice cream and how you can make ice cream at home.

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

Wave-Particle Theor? At grade

The wave-particle theory and what a photon is, and evidence that electromagnetic radiation is both a particle and a wave.

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

Wavelengt? At grade

What wavelength is and how it relates to the energy of a wave.

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

Wave Spee? At grade

Definition of wave speed and how it is related to wavelength and wave frequency, how to calculate wave speed and how it is related to the medium of a wave.

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

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