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For nerds
random questions because why not
100
A mix of ___ ,____ and ____ LEDs is sometimes used to make white light.
A mix of red, green, and blue LEDs is sometimes used to make white light.
100
LED bulbs are mercury-free, meaning most of the fixture is recyclable, up to ___%.
LED bulbs are mercury-free, meaning most of the fixture is recyclable, up to 95%.
100
According to Statista, in 2019, almost ___% of all light sources in the world were LEDs.
According to Statista, in 2019, almost 50% of all light sources in the world were LEDs
100
If you use your LED bulb for 24 hours a day, every day, that bulb is rated to last _____ _____
If you use your LED bulb for 24 hours a day, every day, that bulb is rated to last 6 years!
If you use your LED bulb for 12 hours a day, every day, that bulb is rated to last 11 years!!
If you use your LED bulb for only 4 hours per day, that bulb is rated to last 17 years!!
100
What has keys but can't open locks?
A piano
200
A 60-watt incandescent light bulb draws more than $___ worth of electricity per year
A 60-watt incandescent light bulb draws more than $150 worth of electricity per year
200
LEDs Have Been Around Since the _____s
LEDs Have Been Around Since the 1960s
200
Products with the brand name_____________ helps you save energy
Products with the brand name ENERGY STAR helps you save energy
200
_____ LEDs ____ Limit Bacteria Growth at Grocery Stores
Blue LEDs can Limit Bacteria Growth at Grocery Stores
200
What’s full of holes but still holds water?
A sponge
300
LEDs last __ times longer
LEDs last 25 times longer
300
Incandescent bulbs release up to __% of their energy as heat.
Incandescent bulbs release up to 90% of their energy as heat.
300
What famous landmark uses LEDs?
The Eiffel Tower Uses LEDs
300
LEDs were invented in _____ by _________________
LEDs were invented in 1962 by Nicholas Holonyak
300
What’s light as a feather, yet the strongest person can’t hold it for long?
Your breath
400
LEDs use up to __% less energy
LEDs use up to 90% less energy
400
LEDs ____ Limit Bacteria Growth at Grocery Stores
LEDs can Limit Bacteria Growth at Grocery Stores
400
Which headline is true ?
LEDs were created in 1862 __
LEDs are Unbreakable! __
Which headline is true ?
LEDs were created in 1862 ✔
LEDs are Unbreakable!❌
400
LEDs light is measured in ______ Incandescent lights are measured in ______
LEDs light is measured in Lumens, Incandescent lights are measured in Watts
400
What’s orange and sounds like a parrot?
A carrot
500
LEDs stand for _____________
LEDs stand for Light-emitting diode
500
CFL stands for________________
CFL stands for Compact Fluorescent Lighting
500
The typical LED lifespan is at least ??? hours.
The typical LED lifespan is at least 35,000 hours!
If an LED bulb is installed in a newborn baby’s room today, that bulb would work until they enter high school. It could even last until their first day of college!
500
charts
500
What starts with “e” and ends with “e” but only contains one letter?
An envelope