221x Filetype PPT File size 1.40 MB Source: www.hcs.stier.org
Earth Science investigates and tries to answer questions like: I. Why do we have seasons? II.How can we predict the weather? III.Why are stars grouped and move together in the night sky? IV.What forms a landscape? Earth Science covers many different disciplines (or branches of scientific study) such as: Geology - the study of our planet (it’s structure, crust, composition, etc.). Meteorology - the study of the atmosphere; weather and climate. Astronomy - the study of the Earth's motions and objects in space. Oceanography - the study of the oceans. The study of earth science divides the Earth up into three main parts: Lithosphere: The solid Earth Hydrosphere: All the water on Earth Atmosphere: All the gases surrounding the Earth Why is earth science important? Forecast potential disasters and help save lives and property. Gain access to the Earth’s resources. Protect the environment. The Pathways to Discovery: The Scientific Method The scientific method is a guide to scientific problem solving.
no reviews yet
Please Login to review.