What is that energy cannot be created or destroyed, but only change forms.
100
Heat transfer occurs between ____objects to ____ objects.
What is warm to cold
100
What happens when light hits a rough surface?
What is diffuse reflection
100
The range of electromagnetic waves placed in a specific order called
What is electromagnetic spectrum
100
The more particles that an object has at a given temperature, the more _____ energy it has.
What is thermal
200
What type of electromagnetic radiation (wave) keeps our planet warm?
What is infrared
200
The transfer of thermal energy between objects of different temperatures is called
What is heat
200
When light hits an opague surface, it bounces back. This interaction is called
What is reflection
200
At what speed does an electromagnetic wave from the sun travel?
What is speed of light
200
Heated air moves from a ceiling vent to the rest of the room in a process called
What is convection
300
When you rub your hands together they begin to feel warm. What is the energy transformation that is occuring?
What is Mechanical (kinetic) to thermal
300
A measure of the average kinetic energy of the individual particles in a object is called
What is thermal energy
300
What happens to the speed light is traveling at when it passes from air into water?
What is light slows down
300
Electromagnetic waves with the highest frequencies are called
What is gamma rays
300
What must sound waves have in order to travel away from the source?
What is matter
400
A boat engine converts some of the chemical energy in the diesel into kinetic energy. During this process the chemical energy is also converted into _____ energy.
What is thermal
400
What type of heat transfer occurs between a cup and hot tea poured into it?
What is conduction
400
Think about a boiling pot of water. Where is heat radiation occuring?
What is the
400
These electromagnetic waves have the longest wavelengths and the lowest frequencies
What is radio waves
400
The transfer of energy by electromagnetic waves is called
What is radiation
500
Eating food converts _____ energy into _____ energy (potential or kinetic).
What is chemical, mechanical
500
No more energy can be removed from matter at ______.
What is absolute zero
500
If you place a pencil in a beaker of water, the pencil will appear bent. Why does this occur?
What is light bends as it passes between air and water
500
This type of electromagnetic wave has more energy than visible light but less than x-rays.