Topic 1&2
What is another word for thermal?
Answer: Heat.
_______ is a measure of something's ability to cause change.
Answer: Energy
_____ is almost incompressible.
Answer: Liquid
3 ways of transfering thermal energy:
Answer: -Radiation
-Conduction
-Convection
_____ forms under the Earth's crust, can be used as a source of thermal energy.
Answer: Magma
What are the 3 temperature units?
Answer: 1.Kelvin
2.Farenheit
3.Celcius
Energy cannot be ______ or _________.
Answer: Created or destroyed.
_________ is as the average energy particles increases, the spaces between the particles increases.
Answer: Expansion
What are at least 1-2 different form(s) of EMR/Radiant Energy:
Answer: Radio waves, visible light, microwaves, or X-Rays.
What are the 2 methods of using Solar Energy?
Answer: 1.Passive Solar Energy
2. Active Solar Energy
When wire tips are heated, it sends an electrical current, which can turn a switch on or off is a ___________.
Answer: Thermocouple
________ ______ is the energy generated by the movement or vibration of particles.
Answer: Thermal Energy
What is Contraction?
Answer: As the average energy particles decreases, the spaces between the particles decreases. (decrease in volume)
Materials that are poor conducters of heat are called _____ ________.
Answer: Heat Insulators
Energy of moving air is ___ ____.
Answer: Wind Energy
The ______ affects a responder.
Answer: Signal
What are 3 important ideas of The Particle Model Of Matter?
Answer: -All matter is made out of very tiny particles.
-The particles are always moving(vibrating,rotating)
-All particles have spaces between them.
What are the 6 Changes of State?
-Melting (fusion)
-Freezing (Solidification)
-Evaporation
-Sublimation
-Deposation
A moving fluid is called a _________ ________.
Answer: Convection Current
Why is the sulfur dioxide a dangerous gas?
Answer: Sulfur dioxide is very irritating to the eyes, nose, and throat. People with asthma suffer tremendously from this gas.
Who created the Kelvin Scale? Celcius Scale?
Answer: Lord Kelvin and Anders Celcius.
What is the difference between Thermal Energy, Heat, and Temperature?
Answer: Thermal Energy is the total kinetic energy of all particles in a substance, Heat is energy that transfers to particle to particle (higher energy and lower energy), and Temperature is the measure of the average energy of the particles in a substance.
A process in which, the faster-moving particles on the surface of a liquid evaporate and escape into the air is called ________ ________.
Answer: Evaporative Cooling
5 features of Energy Transfer Systems are:
Answer: ~Energy Source
~Direction of Energy Transfer
~Transformation
~Waste Energy
~Control Systems
Why is thermal energy dangerous?
Answer: -The burning and storage of fossil fuels can lead to a forest fire and pollution to our enviroment. The industries use chemicals in their manufacturing processes, which end up into the soil and water.