States of Matter — types?
Solid, liquid, gas, plasma.
Solid state — particle arrangement?
Particles tightly packed in fixed positions.
Liquid state — shape?
No fixed shape; takes container shape.
Gas state — particle movement?
Particles move freely and randomly.
Plasma — characteristics?
Ionized, high temperature, found in stars.
Phase change — energy?
Energy transfer without chemical change.
Melting point — definition?
Temperature where solid turns to liquid.
Density — formula?
Mass divided by volume (ρ = m/V).
Buoyancy — force direction?
Upward force on immersed objects.
Archimedes' principle — statement?
Buoyant force equals displaced fluid's weight.
Relative density — meaning?
Ratio of object density to water's density.
Gas law — Boyle's law?
P ∝ 1/V at constant T.
Gas law — Charles's law?
V ∝ T at constant P.
Ideal gas law — formula?
PV = nRT.
Electric current — units?
Amperes (A).
Voltage — role?
Provides energy to move charges.
Resistance — effect?
Opposes current flow.
Ohm's law — equation?
V = IR.
Series circuit — resistance?
Sum of individual resistances.
Parallel circuit — resistance?
Inverse sum of resistances.
Teste tes connaissances avec un QCM de 10 questions sur Fundamentals of Physical Science.
1. What does the term 'solid' mean in the context of states of matter?
2. Who proposed the principle of buoyancy and around what year?
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