Trova

Semanticos

Risorse

formatos disponibles
Ordina per

visualizzazione

Ozone Recover? Basic

The use CFCs and other ozone depleting chemicals has been reduced. The ozone hole is starting to recover and may be healed by 2070.

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

Ozone Depletio? Basic

Describes how the ozone hole forms, what are its effects.

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

Ozone Depletio? At grade

Describes how the ozone hole forms and what are its effects.

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

Overpopulation and Over-Consumptio? Basic

Describes issues caused by increased population growth.

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

Overpopulation and Over-Consumptio? At grade

How human population has grown, some consume a tremendous amount of resources and produce a lot of waste.

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

Over in Second? At grade

Learn about those most fearsome of storms, tornadoes.

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

Outer Layers of the Su? Basic

Identify the outer layers of the Sun.

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

Ore Deposit? Basic

How valuable minerals and metals are found and determined to be profitable.

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

Our Blue Marbl? Basic

Fantastic images of Earth from space are created from instruments on spacecraft. These images can affect how humans perceive their planet.

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

Oil Spill? Basic

Describes how oil spills occur and how they can be cleaned up.

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

Vuoi accedere a più contenuti educativi?

Inizia la sessione Unisciti a una lezione
x

Aggiungere a Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...

Gioco Aiuto
Juegos de anatomía
Selecciona nivel educativo