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20 Cards in this Set
- Front
- Back
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What is matter
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Anything that has mass and takes up space
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What are the 3 states of matter
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1. Solid
2. Liquid 3. Gas |
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Define solid in re: to the state of matter.
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has a definite shape and volume
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Define Liquid in re: to the state of matter.
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has a definite volume but changeable shape
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Define Gas in re: to the state of matter
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has a changeable shape and volume
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Define Energy
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The capacity to do work (put matter into motion)
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What are the 2 types of Energy?
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1. Kinetic
2. Potential |
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What are the 4 forms of Energy?
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1. Chemical
2. Electrical 3. Mechanical 4. Radiant (or electromagnetic) |
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Where is Chemical energy found?
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stored in the bonds of chemical substances
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How is Electrical energy formed?
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results from the movement of charged particles
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What is Mechanical energy?
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It is directly involved in moving matter
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What is Radiant or Electromagnetic energy?
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energy traveling in waves (ie visible light, ultraviolet light and x-rays)
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Give an example of Chemical energy
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ATP
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Give an example of Electrical energy
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Ions and Nerve impulses
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What are the 4 major elements in the human body (takes up 96% of body weight)
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1. Oxygen
2. Carbon 3. Hydrogen 4. Nitrogen |
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Define Element
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A unique substance that cannot be broken down by ordinary chemical means
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Define Atoms
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more-or-less identical building blocks for each element
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What is an Atomic Symbol?
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1 or 2 letter chemical short hand for each element
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What does the Atomic Structure consist of?
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Nucleus
Protons Neutrons Electrons |
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What does the Nucleus consist of?
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Protons and Nutrons
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