Conductors and Insulators
What is conductivity?
The ability of a material to conduct electricity or heat
What is the source of energy for Earth?
The Sun
What light do we see the sky as ?
Blue
What are the three ways light interacts with matter
Opaque
Translucent
Transparent
What makes ice melt ?
Heat energy
What are some common conductors?
Copper, aluminum, silver
What is Energy transfer ?
The process of transferring energy from one object or system to another
What color do leaves reflect ?
Green
What is an example of a wave?
Sound waves
Light waves
What is a transparent object?
An object that allows everything to pass through
How do metals conduct heat?
By allowing heat to flow easily through them
What is the main way heat is transferred in water?
Through Convection
What happens to light waves when they scatter?
They spread out in different directions
Can we see ultraviolet light ?
No, it is invisible to the human eye
What happens when two objects of different temperatures touch?
Heat flows from the warmer object to the cooler one
What is a good example of an insulator?
Wood
What is Convection?
The transfer of heat through the movement of fluids
Why do leaves appear green ?
Because they reflect green light
What type of energy does a moving baseball have?
Mechanical energy
How does Heat Flow ?
What is the best conductor of electricity?
Metals
How does energy travel from the sun to Earth?
Through electromagnetic waves
Why is the sky blue ?
Because blue light waves scatter in all directions
What type of light is invisible?
Uv
What is a Opaque object?