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26 Cards in this Set
- Front
- Back
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Bernoulli’s Principle
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When the speed of a fluid increases, pressure within the fluid decreases
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Lift
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An upward force
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Drag
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Resistance of the air
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Thrust
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Moving forward
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Gravity
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Weight
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Pitch
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When the nose of an airplane goes up and down
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Yaw
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when the plane goes side to side
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Roll
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When the wings of an airplane go up and down
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Terminal Velocity
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The last highest velocity prior to impact
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Fluid
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Something that will move and change its shape without separating
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Pressure
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The number of "bumps" hitting a surface at any given time
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Mass
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The measurement of the quantity of matter that a substance has
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Inertia
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Objects at rest have a tendency to remain at rest, while objects in motion have a tendency to continue in motion
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Friction
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A physical force that resists the relative motion or tendency to such motion of two bodies in contact
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Acceleration
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A continual increase in speed
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Isotope
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An element with the normal amount of protons and electrons, but
with an irregular number of neutrons. (Makes it unstable- Radioactive) |
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Half-Life
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The time required for something to fall to half its initial value
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Group
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A column of elements with similar characteristics, however only the
column headings labeled with a number (Roman numeral) |
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Period
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The number of elements arranged in order by atomic number that fall in between elements of similar characteristics
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Ion
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An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons
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Metal
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Has one or two electrons in their outer energy levels and tend tolose the outer electrons chemically
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Non-Metal
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They are much smaller than metals and usually have four to seven electrons in their outer electron levels
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Valency
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The number of electrons on its outermost energy level determines an
elements behavior |
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Ionic Bond
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When electrons are transferred from one atom to another and occur between a metal and a non-metal
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Covalent Bond
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When bonding occurs between two non-metals
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Diatomic
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Elements that travel in pairs when not combine wit ha differentelement
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