any material that has mass and occupies space.

the basic unit of matter; the smallest unit that maintains the chemical properties of an element.

a chemical substance with a unique set of properties that cannot be broken down into substances with other properties.

the central core of an atom: consists of protons and neutrons.

a combination of two or more atoms.

a substance combining atoms of two or more different elements.

an organic compound combining hydrogen and carbon

a mixture in which all the ingredients are evenly distributed.

a large organic molecules; includes protein, nucleic acids, carbohydrates, and lipids.

an organic compound made up of carbon, oxygen, hydrogen, nitrogen, and sometimes sulfur.

the macromolecule that carries hereditary information: includes DNA and RNA.

an organic compound that consists of atoms of carbon, hydrogen, and oxygen.

chemically diverse and compound that does not dissolve in water.

a measure of the acidity or alkalinity (basicity) of a solution.

a circular process that describes how an event is both a cause and an effect in the same system can be a positive feedback loop or a negative feedback loop.

the removal of soil by water, wind, ice, or gravity.

all of the rock at and below Earth's surface.

sphere of Earth made up of the hard rock on and just below Earth's surface: the outermost layer of both Earth and its geosphere.

the Earth and all of its organism and environments.

the thin layer of gases that surrounds Earth.

all of the water, salt water and fresh water, in the form of liquid, ice, or vapor, above and below Earth's surface and in the atmosphere.

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chapter 3 L 1,2

Term	Definition
matter	any material that has mass and occupies space.
atoms	the basic unit of matter; the smallest unit that maintains the chemical properties of an element.
element	a chemical substance with a unique set of properties that cannot be broken down into substances with other properties.
nucleus	the central core of an atom: consists of protons and neutrons.
molecule	a combination of two or more atoms.
compound	a substance combining atoms of two or more different elements.
hydrocarbons	an organic compound combining hydrogen and carbon
solution	a mixture in which all the ingredients are evenly distributed.
macromolecules	a large organic molecules; includes protein, nucleic acids, carbohydrates, and lipids.
proteins	an organic compound made up of carbon, oxygen, hydrogen, nitrogen, and sometimes sulfur.
nucleic acids	the macromolecule that carries hereditary information: includes DNA and RNA.
carbohydrates	an organic compound that consists of atoms of carbon, hydrogen, and oxygen.
lipids	chemically diverse and compound that does not dissolve in water.
pH	a measure of the acidity or alkalinity (basicity) of a solution.
feedback loop	a circular process that describes how an event is both a cause and an effect in the same system can be a positive feedback loop or a negative feedback loop.
erosion	the removal of soil by water, wind, ice, or gravity.
geosphere	all of the rock at and below Earth's surface.
lithosphere	sphere of Earth made up of the hard rock on and just below Earth's surface: the outermost layer of both Earth and its geosphere.
bioshere	the Earth and all of its organism and environments.
atmosphere	the thin layer of gases that surrounds Earth.
hydrosphere	all of the water, salt water and fresh water, in the form of liquid, ice, or vapor, above and below Earth's surface and in the atmosphere.

Created by: gomezbri

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