Flashcards - Praxis Early Childhood Education: Science

Flashcards - Praxis Early Childhood Education: Science
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photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
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heterotrophs
A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth
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habitat
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
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ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
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comet
A comet is an icy small Solar System body that, when passing close to the Sun, heats up and begins to outgas, displaying a visible atmosphere or coma, and sometimes also a tail
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photon
A photon is an elementary particle, the quantum of all forms of electromagnetic radiation including light
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ground state
The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system
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excited atom
In quantum mechanics, an excited state of a system is any quantum state of the system that has a higher energy than the ground state
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mixture
In chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically
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element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
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compound
A chemical compound is an entity consisting of two or more atoms, at least two from different elements, which associate via chemical bonds
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scientific method
The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge
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experiment
An experiment is a procedure carried out to support, refute, or validate a hypothesis
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analysis
Analysis is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it
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hypothesis
A hypothesis is a proposed explanation for a phenomenon
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system
A system is a set of interacting or interdependent component parts forming a complex/intricate whole
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32 cards in set
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system
A system is a set of interacting or interdependent component parts forming a complex/intricate whole
hypothesis
A hypothesis is a proposed explanation for a phenomenon
analysis
Analysis is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it
experiment
An experiment is a procedure carried out to support, refute, or validate a hypothesis
scientific method
The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge
compound
A chemical compound is an entity consisting of two or more atoms, at least two from different elements, which associate via chemical bonds
element
In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set
mixture
In chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically
excited atom
In quantum mechanics, an excited state of a system is any quantum state of the system that has a higher energy than the ground state
ground state
The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system
photon
A photon is an elementary particle, the quantum of all forms of electromagnetic radiation including light
comet
A comet is an icy small Solar System body that, when passing close to the Sun, heats up and begins to outgas, displaying a visible atmosphere or coma, and sometimes also a tail
ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
habitat
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
heterotrophs
A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
Thermal expansion
Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature, through heat transfer
observations
Observation is the active acquisition of information from a primary source
Physical properties
A physical property is any property that is measurable, whose value describes a state of a physical system
asteroid
Asteroids are minor planets, especially those of the inner Solar System
meteoroid
A meteoroid is a small rocky or metallic body in outer space
terrestrial planets
A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals
Sheet erosion
In earth science, erosion is the action of surface processes that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location
niche
In ecology, a niche is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions
heat transfer
Heat transfer is the exchange of thermal energy between physical systems
Thermodynamics
Thermodynamics is a branch of science concerned with heat and temperature and their relation to energy and work
watts
The watt is a derived unit of power in the International System of Units , named after the Scottish engineer James Watt
Sun
The Sun is the star at the center of the Solar System
density-independent factors
In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population
Convection
Convection is the movement of groups of molecules within fluids such as liquids or gases, and within rheids
Radiation
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium
alternating current
Alternating current , is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current , the flow of electric charge is only in one direction

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