Energy
the ability to cause motion or create change; energy cannot be created or destroyed, only changed from one form to another
ENERGY
a material that slows down the flow of heat or an electrical current is called what?
Insulators
a material through which an electrical current can move easily.
Conductor
What does Current Mean?
Flow of Electricity
What object do we use to measure if something is magnetic?
A Magnet
type of energy formed by vibrations passing through matter
Sound Energy
What are used to protect us from the dangerous effects of electricity flowing through conductors?
Insulators
If I wanted to conduct heat what type of source would I use?
metals like copper, aluminum, gold, and silver
a path in which electrons from a voltage or current source flow
Electrical Circuit
Is a fruit salad considered a Mixture or a solution?
Mixture!
energy that refers to the energy contained within a system that is responsible for its temperature.
Thermal Energy
Name 4 insulators
Glass, rubber, wood, plastic.
Name 4 Conductors
gold, silver, copper, steel, aluminum, etc.
If a circuit does not have the flow of electricity it is called?
Open circuit
Making lemonade by mixing water, lemons and sugar is known as what?
Solution
the energy of either an object in motion or the energy that is stored in objects by their position is called what?
Mechanical Energy
Why do we not get burned when touching cables?
Because the plastic/rubber is insulating the heat!
Materials that are good conductors of thermal energy are called
Thermal Conductors
If a switch is connected to a circuit how do you tell if it is open or closed?
If the switch is down.
The ability to sink or float is called what?
Density!
travels as waves and can move through empty space;
Light Energy
IS a Fire is spreading what Item can be used to slow the spread of the fire?
Glass, rubber, wood, plastic.
What is one of the best metals for conducting heat because it works as a powerful reflector?
Silver
What source of energy is needed to create a Circuit?
Electrical Energy
If I wanted to separate sand and gravel what item can i use to do so?
A Sieve