The submarine is a naval vessel that travels below the surface of the water. Submarines were first used in warfare during World War I, 1914 to 1918. In the time since they have captured our imaginations and often appear in popular culture, including live-action films, music, and children's cartoons. We've even named the "sub" sandwich after them... Read more
A Santa suit is the costume of a person portraying the character of Santa Claus. In America, this usually consists of boots, red pants, and a red coat with white fur trim. Another integral part is the Santa hat, also red with white trim... Read more
The saxophone is a single-reed woodwind instrument. It was invented in Paris, France in 1846. It consists of a brass tube, 24 keys, and a mouthpiece like that of a clarinet... Read more
Brick is an ancient building material that is still in use today. Sun-dried bricks of clay were first produced around 6,000 years ago. Modern bricks are often hardened in a very hot oven... Read more
Many religious traditions around the world have a tree of life, sacred tree, or world tree tradition. In some legends, a huge tree binds together the heavens and the earth. In others, the tree is located in "the centre of the earth" and often "protected by supernatural guardians." The tree confers continued life, perhaps everlasting life, to humankind... Read more
A corn dog is a hot dog or sausage that has been dipped in a cornmeal batter and deep fried. Along with cotton candy and funnel cakes, corn dogs are traditional fare at county and state fairs... Read more
A family tree, also called a pedigree chart, is a visual representation of family relationships. These charts are often depicted in the shape of a literal tree. The oldest generations are located at the top. Branches come from both parents to connect to their children below them. The youngest generation, around which the chart is centered, can be located on the trunk... Read more
Sailboats or sailing ships are "propelled partly or entirely by sails" that catch the wind. Sailboats are also known as sloops, cutters, catboats, dinghies, ketches, schooners, and yawls, depending on their design... Read more
A banner is "a flag or other piece of cloth bearing a symbol, logo, slogan or other message." Banners can also be made out of paper, plastic, or other materials... Read more
Smartphones are the most commonly used type of mobile phone today. These phones feature a touchscreen and most can do almost anything a computer can... Read more
Tennis a sport or game "in which two opposing players (singles) or pairs of players (doubles) use tautly strung rackets to hit a ball." Tennis is played using a net, as is volleyball. In Britain, it is known as lawn tennis because the original courts were in the grass... Read more
The sword is one of the most famous hand weapons in history. Though their exact designs differed according to time and place, swords were used for thousands of years. Each sword consists of a blade, longer than that of a dagger, attached to a handle with a guard to protect the hand... Read more
The cherry is a small, bright red fruit that grows on a tree. It is often used in desserts such as pies, in drinks, or as a topping on ice cream... Read more
Ice cream is a symbol of summer and a favorite treat of both children and adults. Traditionally, it is made from milk and sugar. Today, many non-dairy versions are also available, often made from nut "milks."... Read more
There are nearly 8,000 species of roses that grow around the world. From the wild varieties, edible and ornamental varieties have been cultivated. Roses are exchanged as gifts symbolizing love, friendship, apology, and sympathy... Read more
Batteries have been a part of our lives for as long as electronics have. A battery is a device designed to "convert chemical energy directly into electrical energy."... Read more
The Justice League is DC Comics' team of all-star superheroes. Among their ranks are Superman, Batman, Wonder Woman, the Green Lantern, the Flash, Aquaman, and the Martian Manhunter. A number of other superheroes have joined the Justice League's ranks since their first comic book appearance in 1960... Read more
Canada is located in North America, north of the United States. It is well-known for maple syrup, Niagara Falls, and hockey. The beaver is the national animal... Read more
"Don't cry over spilt milk." "There's no use crying over spilled milk." The above idiom in its various forms is often used to mean "don't worry about something that has already happened and that you can't change. In its current form, the phrase first appears in print in... Read more
A jigsaw puzzle is "any set of varied, irregularly shaped pieces that, when properly assembled, form a picture or map." The first puzzles, created in England during the 1700s, were teaching tools - "dissected" maps, alphabets, or pictures of animals... Read more