Matter and Energy
This determines the speed of the atoms and molecules of a particular substance?
What is the size of the atoms/molecules and the temperature of the substance.
Evaporation refers to the change of state from a
What is liquid to a gas
The resistance of a fluid to flow is referred to as
What is viscosity?
A hydraulic lift has 2 pistons, the areas of which are 20 cm^2 and 950 cm^2. A force of 700 N on the smaller pistons is sufficient to lift a car of _____________ N.
What is 33,250 N?
The particles can slide past each other, but are still packed together
What is liquid?
The kinetic theory states that the higher the temperature, the faster
What is the particles that make up the substance move
The change of a substance from a solid directly to a gas is called
What is sublimation?
Ice floats in water because it is
What is less dense than water?
The pressure of an enclosed fluid on which a force of 150 N is exerted over an area of 10 cm^2 is ____________.
What is 15 Pa?
The particles have broken down and become ionized
What is plasma?
The law of conservation of mass states that mass cannot be
What is created or destroyed?
Which state of matter will hold its shape without a container
What is a solid?
The notion that an object floats if the buoyant force on the object is equal to the object's weight was described by
Who is Archimedes?
The particles are rigid, fixed structure
What is solid?
The measure of the total kinetic energy of the particles in an object is called
What is the thermal energy?
When ice melts to form a liquid, energy is
What is absorbed?
Buoyant force is the ______________ exerted on an object immersed or floating on a liquid.
upward force
Pascal's principle states that a contained fluid exerts pressure
What is equally in all areas?
The particles are in constant motion and rarely stick together
What is gas?
According to the law of conservation of energy
What is energy is not created or destroyed?
A substance changes from a liquid to a gas during evaporation because
What is energy is absorbed?
The ability of a substance to float is influenced by
What is the buoyant force of the fluid and the density of the fluid.
Bernoulli's principle describes the property of a(n)
What is fluid in motion?
Unlike a gas, a plasma can
What is conducts electricity?