Discover whether certain types of rocks are more difficult to break than other types of rocks.The purpose of this experiment is to test various sedimentary, igneous and metamorphic rocks to find out w ...
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 ...
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 ...
By applying more and more pressure to a piece of aluminum foil “clay,” we can discover, stage by stage, how heat and pressure turn clay into slate, phyllite, and finally schist.It is an educational co ...
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 ...
Los ingredientes de este paquete de actividades son diversas fotografías de nuestro planeta tomadas por satélites a diversas horas del día y desde diversas posiciones. Esto nos pe ...
Instrucciones para el profesorado de un experimento medioambiental compuesto por dos apartados:
Experimento parcial: El ciclo del agua en la Tierra
Experimento parcial: El transporte del agua en las ...