A substance is tested in a lab. It is found to maintain a unique shape and is a good conductor of electricity. If it is made of electrons, protons and neutrons, what state of matter is this substance most likely to be?
What is a solid
Malia was able to make a paperclip float on the surface of water. Soap is a surfactant that disrupts the intermolecular forces of water. What will happen to the paperclip if a drop of dishwashing detergent is added near it?
What is it will sink
The particles of a gas inside a balloon are experiencing an increase in their average kinetic energy and the number of collisions with the wall of the balloon. What is happening to the gas pressure inside the balloon?
What is it's increasing.
This substance conducts electricity, has a low density and a very high kinetic energy, fills available space, and is made of electrons and cations
What's a plasma
Name the phase that changes matter from a liquid state to a gas state.
What is evaporation
Name what happens to the solid particles when a solid is dissolved into a liquid.
What is they become evenly dispersed among the liquid particles
Heating a liquid affects its viscosity. Describe what happens to the speed of the molecules at higher temperatures
What is they move faster
According to the kinetic-molecular theory, the average kinetic energy of gas particles depends on this factor.
What is temperature
Fluorescent lights, plasma T.V. displays and plasma toy light balls all examples of this type of plasmas
What is non-thermal plasmas
In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees Celcius. Name the process that best explains this event.
What is sublimation.
Name what occurs to the heat energy when ice cream freezes.
What is it's released
Describe the size and polarity of molecules that would cause a liquid to have the lowest viscosity.
What is small, nonpolar molecules
A perfume bottle is dropped in the corner of a room. The odor of the perfume can be detected on the other side of the room. Name the process where particles are moving from regions of high concentration to low concentration.
What is diffusion
Plasmas are good conductors of electricity. Explain the reason why.
Which change of state involves a release of energy.
What is condensation.
Name the type of solid where long-range order would be found
What is crystalline solids
Where does evaporation occur on a liquid?
What is at the surface
The event that is occurring when there is a movement of a gas through a small opening into a larger volume.
What is effusion
What is a device that involves the use of plasma in technology?
What is an arc welder
On a temperature versus time graph, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?
What is it stays the same.
Rubber, plastic, glue sticks, and candle wax are examples of this type of solid
What is amorphous solids
Name the type of liquid when there is a polar liquid and a nonpolar liquid that do not dissolve into one another.
What is an immiscible liquid
Bromine gas in a container is heated over a flame. Describe what happens to the average kinetic energy of the bromine particles.
What is it increases
Which theory is used to explain the behavior of plasmas where particles exchange energy through elastic collisons?
What is the kinetic-molecular theory
Name the energy change that takes place when heat energy is released by a substance.
What is deposition