Earth is estimated to be 4.6 billion years old and ever-changing. Scientists have organized Earth’s history into geologic time periods. These time periods include the Precambrian, Paleozoic, Mesozoic, ...
Water has power! It has the power to shape the surface of the Earth. Water can change one landform by washing away sediment and then depositing it somewhere else to create a new landform. How are new ...
Despite what early explorers thought, the world is definitely not flat!This includes land masses and the ocean floor.Just as there are mountains, valleys, and plains on dry land, the ocean floor is co ...
Rocks are ever changing.They can be smoothed by water, broken off by wind, and cracked by ice.If you found a rock in your backyard then traveled back in time 1,000 years, that rock would look totally ...
Rocks are not only changed by water, wind, and ice but can also be changed by chemicals. Chemical weathering is the process by which the actual minerals that rocks are made of are changed. Chemical we ...
La maison est le premier espace qui est exploré par les enfants. C’est un lieu familier qu’ils représentent très tôt et dont ils aiment parler. Amener les enfants à porter un autre regard sur leur mai ...
"En los años 70, James Lovelock y Lynn Margulis formularon una idea que explica muchas cosas sobre nuestro planeta: La hipótesis de Gaia." encontrarás en este video una ...