Used in an incandescent bulb, it maybe a straight wire, a coil, or a coiled coil that heats up.

• Base

• Plug

• Spectrum

• Filament

Incandescent light is......

• emitting light as a result of being heated

• the emission of light by a substance that has not been heated

• emitting light by ultraviolet light

• emitting light through lasers

A traditional light bulb

• Incandescent

• Luminescence

• Florescent

• LEDs

LED stands for

• Laser Emitting Device

• Light Energy Device

• Light Emitting Diodes

• Least Emitting Danger

Which type of bulb produces the most heat?

• LED

• Incandescent

• Fluorescent or CFL

• Doppler

Which type of bulb is the most recent development?

• LED

• Incandescent

• Fluorescent (CFL)

• Doppler

Which type of bulb produces the least heat?

• LED

• Incandescent

• Fluorescent or CFL

• Hyperopia

Which type of bulb is commonly used in very large areas (warehouses, schools, ect.)?

• LED

• Incandescent

• Fluorescent or CFL

• Hyperopia

Which type of bulb uses the most energy?

• LED

• Incandescent

• Fluorescent or CFL

• Myopia

Which type of bulb is the oldest style of bulb?

• LED

• Incandescent

• Fluorescent or CFL

• Myopia