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| the process of trying to understand the world around you; a set steps that can be followed to help find out about something or to solve a problem |
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| a living thing that has all five traits of life. It responds, moves, shows organization, reproduces, grows and develops. |
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| a statement about a problem that can be tested. |
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| a group of organisms that can bread with one another and produce healthy offspring. |
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| the smallest unit of life in a living thing; take in materials and release energy and waste products. |
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| a type of reproduction in which an organism produces a new organism from one parent and all the DNA of the new organism comes from that one parent. |
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| a type of reproduction in which a new organism is produced from 2 parents whose DNA combines to produce the new individual with its own DNA. |
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| a fertilized egg that has begun dividing into more cells. |
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| the process of sex cell formation during which the chromosome number in each sex cell becomes half the number found in other body cells. |
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| the process of nuclear division that results in 2 nuclei containing identical information. |
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| the working unit made up of organisms interacting with each other and non living factors. |
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| all the populations living in the area that depend on each other for food, shelter, and other assorted needs. |
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| the place in which an organism lives out its life and where resources such as food, space, and shelter are shared among the different species. |
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| the part of earth in which organisms can live; includes the top most layer of earth's crust, the surrounding atmosphere, and all the rivers, lakes, and oceans. |
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| an organism that eats other organisms. |
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| an organism, such as a plant, that is able to use energy from the sun to make its own food. |
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| organism, such as bacteria or fungi, that feed on dead organisms or the waste material of other organisms. |
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| a group of the same organisms living in the same place at the same time. |
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| an extremely small particle that is the basic unit of matter; it is composed of mainly protons, neutrons, and electrons. |
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| anything that has mass and takes up space. ex: air - its basic unit is the atom. |
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| negatively charged particles that is the lightest of the 3 main particles found in an atom and that forms a cloud around the nucleus. |
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| a particle without a charge and is found in the nucleus of an atom. |
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| positively charged particle located in the nucleus of an atom. |
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| natural or synthetic matter that is made up of only one type of atom. their are 112 known elements for example gold, aluminum, and oxygen |
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| a form of matter made by combining 2 or more different kinds of elements. |
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| the change of materials into other new materials with different properties. |
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| a change in shape, size, form, or state of matter that can be observed without changing the identity of matter. |
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| a characteristic of a substance that permits its change to a new substance. example: the ability to burn and the ability to react with oxygen. |
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| a characteristic of matter that can be observed by the senses. examples: shape, size, taste, texture, and form |
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| resistance to a change in motion. |
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| the amount of matter in an object. |
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| the push or pull that opposes motion when 2 touching surfaces are sliding on each other. |
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| a push or pull. examples: gravity and friction |
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| a pull that every object exerts on every other object and that pulls all things towards earth in the same way. |
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| a simple machine with a sloped surface that makes it easier to move objects. ex: a moving van ramp |
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| a simple machine made from a bar or rod that is free to rotate around a fulcrum. ex: fishing rods and seesaws |
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| a simple composed of a surface with a chain or rope going around it and that can be either fixed or movable. |
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| an incline plane wrapped around a rod. this simple machine makes it easier to hold objects together. |
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| an incline plane with one or two sloping sides. ex: knives or chisels |
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| a simple machine that is made with 2 wheels of different sizes that are connected and turn together. ex: door knobs and fishing reels. |
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| exerting a force on an object over a distance in the same direction as the objects motion. |
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| the energy that is stored that comes from position or condition. can be transformed into kinetic energy when something acts to release the stored energy. |
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| the energy that comes from motion of an object and that depends on the objects mass and speed. |
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| the amount of kinetic and potential energy in the atoms that make up a material can be transferred from one place to another through conduction, radiation, and convection. |
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| thermal energy that is transferred from a warmer object to a cooler object. |
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| the transfer of kinetic energy from a faster moving molecule to a slower moving molecule that isn't moving place to place but is moving in place. |
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| the transfer of thermal energy by the moving of molecules from one place to another in a liquid or gas; the type of transfer of thermal energy that produces weather. |
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| the energy that travels by waves in all directions from its source. |
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| the energy of charges in motion |
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| the area around a magnet in which magnetic forces act. |
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| an unbroken closed path that electrons travel on to do work. |
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| a form of potential electrical energy caused by the build up or lose of electrons |
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| a group of stars such as the big dipper that forms a pattern in the sky; that may be named after a real or imaginary animal, person, or object. |
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| the spinning of earth on its imaginary axis which occurs every 24 hours and causes day and night. |
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| an event that happens when the moon passes between the sun and the earth or the earth passes between the sun and the moon. |
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| the movement of earth in a regular curved path around the sun which takes one year to complete. |
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| a space craft launched into space to gather information and send it back to earth. |
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| the 9 planets and numerous other objects, such as astroids, that circle the sun. |
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