HEAT
It's used to measure temperature.
A thermometer
Light sources can be natural or...
artificial
When it's on, electricity can flow, but if it's off, electricity can't flow.
Switch
If a hot body and a cold body are in contact, the hot body...
Cool down
Speed of light
300,000 km per second
They conduct electricity to different places.
Wires/cables
When a hot and a cold body are in contact, the cold body...
Warm up
These materials allow light to pass through them.
Transparent
Wires are made out of this material.
Copper
When we put cupcakes in the oven, heat can change...
Size
These material don't allow light to pass through them.
Opaque
When it receives electricity it works and shines.
Light Bulb
When we use heat with water, can change...
State
These materials allow light to pass through them but disperses the light.
Transluscent
Material that let electricity flow through them.
Conductors