Energy Basics
What scientific term has the definition as the ability to do work?
Energy
What two states of matter are classified as fluids because their particles can flow?
Liquids and gasses
What term describes the flow of thermal energy from a region of high temperature to a region of low temperature?
Heat
The particles in a gas will spread out to occupy all the space available to them in their container.
True
What metric unit is used to measure energy, named after an English physicist?
Joule
What process occurs when a gas changes into a liquid, such as when water vapor forms visible steam or droplets?
Condensation
What method of thermal energy transfer occurs via direct contact between objects?
Conduction
An object that is radiating thermal energy can only transfer thermal energy by means of radiation.
False
What law states that the total amount of energy in the universe remains constant and cannot be created or destroyed?
The law of conservation of energy
What specific phase change describes a solid turning directly into a gas without becoming a liquid first?
Sublimation
What method of thermal energy transfer involves the movement of currents within fluids?
Convection
A phase change occurs when one kind of matter changes into a completely different kind of matter.
False
What type of energy is possessed by an object due to the movement of its particles?
Thermal Energy
What term describes high-altitude clouds that form when water vapor transforms directly into ice crystals?
Deposition
What two methods of thermal energy transfer do not require two objects to be in direct contact with each other?
Convection and Radiation
The SI unit of energy is the watt.
False
What does temperature indicate regarding the particles of a substance?
Average speed of the particles
In which two kinds of phase changes is liquid phase skipped?
Sublimation and Deposition
Most bare metal feels cool to the touch, what does this tell us about metal.
It's a good thermal conductor.
An iceberg to have more thermal energy than a pot of boiling water.
True