Where the Wonders of Learning Never Cease | Wonderopolis
WEBExplore the World of Wonders. Discover the latest Wonders from ARTS & CULTURE: Cultures Of The World, Food, Arab Taco, Shawarma, Mexico, Middle East, and more. #23.
How Many Seconds Are In a Year? - Wonderopolis
WEBJul 20, 2011 · Here's what the conversion from one year to seconds would look like: 1 year = 365 days (no, we're not counting leap years!) 1 day = 24 hours. 1 hour = 60 minutes. 1 minute = 60 seconds. So…drum roll, please…one year would equal 365 times 24 times 60 times 60 seconds…or 31,536,000 seconds!
What Do B.C. and A.D. Stand For? - Wonderopolis
WEBWhat exactly do B.C. and A.D. stand for? B.C. stands for “Before Christ,” as in Jesus Christ. It indicates the number of years before the birth of Jesus (although Jesus himself was born in 4 B.C.). A.D. stands for the Latin phrase Anno Domini. That …
What Happens When You Mix Vinegar and Baking Soda?
WEBFeb 28, 2017 · The first reaction is the acid -base reaction. When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda. The result of this initial reaction is two new chemicals: carbonic acid and sodium acetate. The second reaction is a decomposition reaction.
What’s Your Zodiac Sign? | Wonderopolis
WEBThe 12 signs of the zodiac and their symbols are as follows: Aries — the ram (March 21-April 19) Taurus — the bull (April 20-May 20) Gemini — the twins (May 21-June 20) Cancer — the crab (June 21-July 22) Leo — the lion (July 23-August 22) Virgo — the maiden (August 23-September 22)
How Do Water Clocks Work? - Wonderopolis
WEBOne container was filled with liquid and suspended over the second one. Water dripped through a hole in the bottom of the filled container to the bottom one. On inflow water clocks, the bottom container was marked with the hours of the day. People could tell the time by how full the container became. For outflow clocks, it was just the opposite.
How Does a Siphon Work? - Wonderopolis
WEBNov 24, 2015 · For much of scientific history, scientists have believed that siphons work because of the force of atmospheric pressure. A basic siphon consists of a tube in a larger container that goes up over a hump (the edge of the container) to empty out into a container at a lower level. When liquid is sucked through the tube over the hump and begins to ...
What Is Steampunk? - Wonderopolis
WEBThere are waistcoats and pocket watches everywhere! This is the world imagined by the steampunk movement. Steampunk started in the 1970s as a type of literature. It was thought of as a sub-genre of science fiction. Steampunk authors imagined a world in which Victorian-era fashion and technology existed in modern times.
How Often is “Once in a Blue Moon”? - Wonderopolis
WEBA Blue Moon is a rare sight. And, most of the time, it isn’t actually the color blue. A Blue Moon occurs when there are two Full Moons in one month. Full Moons happen about every 29 days. Most months have 30 or 31 days, so occasionally, a month will have two Full Moons. On average, Blue Moons happen once every two-and-a-half years.
What is a Catapult? - Wonderopolis
WEBThe Nevis Catapult is just the latest in a long history of catapult inventions. We’ve used the catapult as a military weapon for a long time. Its earliest form was the ballista. The Greeks and Romans used this weapon. It shot arrows, darts, and stones. The ballista looked a lot like today‘s crossbows.