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28 Cards in this Set
- Front
- Back
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matter is anything that has ____ &
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mass & takes up space
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matter is composed of (2)
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atoms - elements
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3 examples of matter
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solids - liquids - gases
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mass is equal to
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amount of matter
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energy is
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capacity to do work
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2 types of energy
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kinetic - potential
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kinetic energy
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action
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potential energy
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stored
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forms of energy (4)
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chemical - electrical - mechanical - radiant
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chemical energy is stored in ____ ____ (atp) and released when
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bonds - bonds are broken
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ATP (Adenosine Triphosphate) is made of (3)
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adenine - 3 phosphates - ribose
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electrical energy is the movement of ____ ____
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charged particles
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electrical energy is used by ____ & ____ systems
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nervous - muscular
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mechanical energy involve movement of ____
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objects
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mechanical energy is used by ____ & ____ systems
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muscular - skeletal
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radiant or electromagnetic energy travel in
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waves
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radiant or electromagnetic energy activate receptors in the
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retina
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atoms are small particles of ____
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matter
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atoms are composed of what smaller subatomic particles
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electrons - protons - neutrons
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elements are composed of
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1 type of atom
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ion is a ____ atom, ____ or ____ electrons
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charged - gaining - losing
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isotope is atom which have lost or gained ____
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neutrons
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isotopes have a different ____ ____
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atomic mass
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radioisotopes are heavier isotopes which ____ to become more stable
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decompose
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radioisotopes emit
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particles
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radioisotopes are useful tools in ____ & ____
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science - medicine
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radioisotopes are
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radioactive
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compound is ____ or more kinds of ____ bonded together
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2 - atoms
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