Do You Know
Questions & Answers on General Knowledge.
What causes the formation of mountains and valleys on the ocean floor?
Like the rest of the Earth, the ocean floor is divided into tectonic plates. The movement of these plates is responsible for features like ridges, trenches, and valleys. Ridges are formed when two plates drift apart. Boiling rock from inside the Earth, called magma, oozes out through the cracks between the plates and cools to form a ridge. Trenches are formed when a heavier plate sinks down under a lighter one.
Please define the 3 types of energy that flowing water has?
What do the words 'opaque'and 'transparent'mean?
How does a battery work? How many different kinds of batteries are there?
What actually causes a fluorescent bulb to burn out?
Does an electric blanket produce enough EMF to affect the body and possible increase the risk of cancer?
Could you suspend a car on hot air produced below it?
What is a silicon chip?
Is it true that milk stored in plastic is not as healthy as milk in cardboard containers due to radiation?
How can U.S. money be used to measure items around the house?
Has the world become warmer in the twenty-first century?
How does a "touch lamp" work?
What causes a dropped ball to bounce?
How do balloon pilots navigate around countries that forbid overflights?
Why does a moving magnet excite charges?
Does ice melt faster in air or in water?
How does wing shape affect flight?
Both hydrogen and oxygen fuel flame, but together they make water and that can put out a flame. Why?
Why are some plays staged again and again?
Where and when did numbers originate?
Why is alcohol bad for your health?
What is the frequency, amplitude, wavelength, etc. of a sound wave at the sound barrier?
How does a turtle breathe?
Do all plants grow from seeds, or are there other ways too?
What is a "landlocked" country?
What is the difference between speed and velocity?
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Ikea s white farmhouse sink pops against Varsity Blues by Benjamin Moore that covers the walls, cabinets, and trim in this upstate New York kitchen. The homeowner bought the clock at the Hudson, New York, shop Rural Residence.