eQuizShow
Matter and Phase Changes
Classification of Matter
Question: The two classifications of matter are
Answer: mixtures and pure substances
Question: A substance made of two or more elements that cannot be separated by physical means.
Answer: compound
Question: Kool-aid is this type of mixture
Answer: homogeneous
Question: The smallest particle of an element that retains the properties of that element.
Answer: atom
Question: The jerky motion of particles at the first observed under a microscope
Answer: Brownian motion
Temperature
Question: Temperature is a measure of what?
Answer: energy
Question: One degree Celcius is equal to one degree on what temperature scale?
Answer: Kelvin
Question: The number of degrees between the freezing point and boiling point of water on the Celcius scale is what?
Answer: 100
Question: Absolute zero.
Answer: 0 K
Question: The upper limit for temperature is
Answer: undetermined
Phase Changes
Question: A gas changes to a liquid.
Answer: condensation
Question: A solid changes to a liquid
Answer: melting
Question: The state of matter that does not flow.
Answer: solid
Question: The most common state of matter in the universe
Answer: plasm
Question: What happens to the temperature of a substance during a phase change?
Answer: It stays constant.
Temperature Conversions
Question: Kelvin at 0 C.
Answer: 273 K
Question: Celcius at 0 K
Answer: -273 C
Question: 37 C is = ? F
Answer: 98 F
Question: -58 F in C.
Answer: -50 C
Question: 50 F is equal to what in Kelvin?
Answer: 283 K
Miscellaneous
Question: Anything that takes up space and has mass
Answer: matter
Question: What causes Brownian motion?
Answer: impact of particles with other particles surrounding them
Question: The physical property of matter upon which the operation of all thermometers depend is
Answer: volume change
Question: What determines the temperature at which a phase change happens?
Answer: Intermolecular forces
Question: The state of matter in which the intermolecular forces are the strongest.
Answer: solid