WorksheetsPhET States of Matter
Total questions: 11
Worksheet time: 5mins
The state of matter in which atoms are tightly packed and keep their shape.
Gas
Liquid
Plasma
Solid
Water behaves differently when heat is added in comparison to neon, argon, and oxygen. What does water do?
Water particles only stay in the solid state no matter the temperature.
Water particles come closer together at first then move further apart as changing from a solid to a liquid.
Water particles skip the liquid state as heat is added to a solid and directly go into a gas.
Particles move __ and get __ to another as they cool from a gas.
faster; closer
slower; farther apart
faster; farther apart
slower; closer
What is the freezing point of water in both Celsius and Kelvin?
0 *C; 273*K
100 *C; 373*K
32*C; 212*K
As a substance's temperature is lowered to 0*K, what happens to the particles?
The atoms never stop moving.
The atoms get closer together then move apart.
The atoms vibrate slower and eventually stop moving.
The atoms vibrate faster and eventually stop moving.
Heating water to over 5,000*K creates:
slower particles, more spinning; decrease in pressure
slower particles, less spinning; decrease in pressure
faster particles, less spinning; decrease in pressure
faster particles, more spinning; increase in pressure
If the number of particles increases
temperature decreases
temperature increases
pressure decreases
pressure increases
To go from a gas to a liquid, energy is ___ . This is called ___.
added; melting
added; sublimation
removed; condensation
removed; freezing
To go directly from a gas to a solid, energy is ___. This is called ___.
removed; freezing
added; vaporization
added; sublimation
removed; deposition
Which best described the Triple Point of a substance.
The temperature and pressure where a substance can exist in none of the three phases.
The temperature and pressure where a substance can exist in all of the three phases.
This is a synonym to Triple Threat for a basketball player stance.
An A+, a 100 average.
Which of the following is the best description of Critical Point.
The supercritical states involving temperature and pressure where the identification of the liquid and the gas phase disappears.
The supercritical states involving the number of particles and pressure where the identification of the liquid and the gas phase disappears.
The supercritical states involving the number of particles and pressure where the identification of the liquid and the gas phase is defined.
The supercritical states involving temperature and pressure where the identification of the liquid and the gas phase is defined.
