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leason 1,2,

QuestionAnswer
matter all material in the universe that has mass and occupies space is called matter
atoms are the basic units of matter
element is a chemical substance with a given set of properties that cannot be broken down into substances with other properties
nucleus or central core containing particles called protons and neutrons
molecule is a combination of two or more atoms of the same type or of different types joined by convalescent bonds
compound a substance composed of atoms of two or more different elements is called
hydrocarbons are organic compounds containing only hydrogen and carbon
solution a mixture in which all the ingredients are evenly distributed is called
macromolecules proteins nucleic acids carbohydrate and lipids are called
proteins are polymers that serve many functions in organisms
nucleic acids are macromolecules that direct protein production
carbohydrates are polymers that consist of atoms of carbon, hydrogen and oxygen
lipids are chemically diverse group of macromolecules that are classified together because they do not dissolve in water
pH the acidity or alkalinity of solution is describes by
feedback loop sometimes an event is both cause or input and an effect or output in the same system a cyclical process it can also be negative or positive
erosion the removal of soil by water wind ice or gravity can lead to a positive feedback loop
geosphere is made of all the rock at and below Earth's surface
lithosphere is the hard rock on and just below Earths surface the outermost layer of the geosphere
biosphere consist of all the planets living or once living things and the nonliving parts of the environment with which they interact
atmosphere consists of the layers of gases surrounding our planet
hydrosphere encompasses all water salt fresh liquid ice and vapor on earths surface underground and in the atmosphere
Created by: braulio12345
 

 



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