Heat Transfer
The sun warms up a brick through what form of energy transfer?
What is thermal radiation?
What is a conductor?
The sun warms up a black brick. What is the brick doing with the light hitting it?
What is absorbing?
What is the bouncing of light rays off an object?
What is reflection?
This is the transfer of thermal energy by waves
What is thermal radiation?
You are holding a cup of hot coco, which way does the heat transfer?
What would be from the cup to you?
The plastic or rubber coating around electrical wires are
What is an insulator?
What is the bending of light rays by an object called?
what is refraction?
Which is considered a good insulator?
Aluminum Glass
Plastic Silver
What is plastic?
Transfer of energy that occurs in gases and liquids by creating a current
What is convection?
Heating up a pot of soup on an electric stove and stirring it occasionally with a metal spoon. What part of this example demonstrates convection?
What is heating the soup?
A baby walks across a carpet and generates a charge. What item would give a slight shock if he/she touched it?
Metal Doorknob Rubber Ball
Plastic Toy Wooden Block
What is metal doorknob?
When building a solar cooker, you want to paint it to make it cook hotter. What color would you paint it?
What is black?
This visible wave has the longest wavelength
What is red?
Energy that is produced by movement.
What is kinetic energy?
You are holding a snowball in your bare hand. What type of heat transfer is occurring between your hand and the snowball?
What is conduction?
The rubber handle on a cooking pan is
What is an insulator?
What is true about visible light?
A) Humans can see visible light only as white light
B) Visible light makes up a small part of the EM sepctrum
C) Visible light has a frequency equal to that of gamma
What is B?
When completing a circuit, which could be used as a conductor?
Aluminum Foil Wooden Stick
Foam Tubing Glass Bead
What is aluminum foil?
This material allows for the transfer of thermal energy due to the touching of particles which makes solids, such as metals, and liquids better at this than gases.
What is a conductor?
This is the transfer of thermal energy
What is heat?
A material through which current cannot move easily
What is an insulator?
What process forms an image in a mirror?
What is reflecting light?
What protects people from the ultraviolet rays in sunlight?
Nitrogen Ozone
Water Vapor Carbon Dioxide
What is ozone?
This is the average amount of kinetic energy
What is temperature?