You may associate gas lanterns with camping trips or perhaps you keep one at home in case of a power outage. These sources of light are simple devices that utilize some basic physics. Take this quiz to see what you know about how gas lanterns work.
When you heat a horseshoe to about 1,500 degrees Fahrenheit (816 C), what color will it glow?
At 4,500 degrees Fahrenheit (2,482 C) horseshoes glow a bright yellow. Which of the following items function at this temperature?
an electric kettle
a light bulb
Something is said to be incandescent when it produces light as a result of what?
Which of the following materials is a poor producer of light when heated?
Why was lime used in lamps in the 1800s?
because it melts quickly
because it heats quickly
because it has a high melting temperature
What are the mantles in a gas lantern?
a ceramic mesh
What is the purpose of the gas in a gas lantern?
to produce light
to produce heat
both of the above
Which material covers the mantle initially?
What type of chemicals are the ceramic shells impregnated with?