Résultats lu par "David Armstrong" dans Toutes les catégories

Native American tribes from the Northwest Coast learned to use the wood of cedar trees for many of their daily needs. Tribes used recycling to conserve resources hundreds of years ago. Pounding bark until it was fluffy to make diapers and with special thin branches called withes, cedar trees were soaked and used to make rope. What special technique did tribes use to take down big cedar trees?

Learn what bird has the ability to sleep while flying through the sky–the albatross! With a wingspan of 10 feet, this sea bird glides over the warm Southern waters looking for squid and fish to eat! They spend most of their time flying except when eating or feeding babies. Parent duty is shared by these loyal birds who stay with their mate for life. Guess where the albatross flies to lay its egg?

Yo and his father decide to put a new bird feeder in the yard for the birds migrating to warmer weather. Yo puts his arms out and pretends to fly around the yard like a bird and almost forgets to help his father add sunflower seeds to the bird feeder. Yo notices one bird uses its beak to crack and separate shells from seeds causing a big mess. What will happen if bird seeds fall to the ground?

Could there be life forms on planetary moons such as Europa, Jupiter’s icy moon or Titian, one of Saturn’s largest moons? Although our moon is made of mostly rock, astronomers believe life may exist on other moons! Scientists know liquid water is needed to support life, and Europa has plenty of it. What other key ingredients are needed for life to exist in our solar system?

Nodi wants to be a pirate who steals from Roman ships like his father, Polyonus, but he has an injured leg. Forced to stay home with his mother, his job is to care for the captives his father takes for ransom. After his father captures the boy, Gaius Julius Caesar, to ransom, Nodi must decide where his allegiances lay. Will he save his family from danger on the open sea without his father?

Hector is leaving his old life to head Westward to be a prospector with his uncle in California. During his journey, his stagecoach is attacked by a robber! Hector and the other travelers must save themselves and their few worldly possessions.

Luther heard about the legend of Big Claw, a giant lobster who wreaks havoc on anyone attempting to capture him. One summer, Big Claw is finally caught and taken to a restaurant to become a tourist attraction. Upset by this, Luther wants to help Big Claw escape back to the ocean. Will his plan work?

As countries in Europe grew their military power in 1914, so did their fear of being attacked. Alliances were made and tested! Europe was split into two central powers—this was the birth of World War I. When America entered the Great War, they used carrier pigeons to send messages to their allies. Discover how one pigeon, Cher Ami, became famous for his mission to headquarters.

Commander William R. Anderson of the United States Navy thought the Nautilus, the Navy’s first nuclear-powered submarine, would be the first to reach the North Pole! Will Commander R. Anderson and the Nautilus accomplish this chilly feat, or will this be the ultimate lesson for him and his crew to learn?

One day, Thady O’Dowd finds the magical cloak of a mermaid. Knowing that the mermaid, Miranda, can only return to the sea with her cloak, he hides it away in the hope that she will marry him. After many years, Thady is forced to reveal the hidden cloak. Will Miranda be able to forgive him?

Take flight and discover the corvid family of birds that boasts an intelligence that is comparable to the human brain. Ravens' anatomy, like humans, have big brains that makes them great problem-solvers in finding creative ways to survive as scavengers. What other birds are covids? Learn about the theory of convergent evolution and how it applies to humans and ravens' brains!

Jeff is afraid of the dark and the monsters that might be hiding in it. When he hears a strange noise under his bed one night, he worries that his fears are coming true! What will Jeff do? What would you do if you found a monster under YOUR bed?

Seth loves to walk through the woods by his home. When he comes across a lone wolf one day, he must make a tough decision—allow the animal to remain free in the wild or call animal control to trap it and take it away. How will Seth decide? Either way, can he feel good about his choice?

Paddy Ahern travels through rural Ireland to find work. Despite being a hard worker, farmers will not hire him because they think he is boring. One night Paddy discovers a strange house and is taken by kidnappers! Will he survive to tell his story?

Alekos wants to be a mighty Greek soldier like Achilles! Despite being too small to fight, he stows away on a military ship. When an opportunity to ask his hero how to learn bravery and be a fierce warrior arises, will he be brave enough to take it?

When a young boy’s hunger gets the best of him, he must conquer the Hungry Monster before he eats all the food in the cafeteria! Will the boy be able to get his monstrous hunger under control before he eats his best friend, too?

Jeff is sick of the monster that hides in his room at night. To get rid of the monster, he comes up with a plan—he is going to scare him away! Will Jeff be able to trick the monster into leaving? Why is the monster in his room in the first place?

Henry is a special boy—he only speaks in rhyme. After becoming friends with a cygnet left behind by its parents, Henry learns he can communicate with swans! How will this animal friendship help Henry's learning development to communicate better with his family and friends?

Will is helping his family at the printing shop! He gets to help print book pages and make book covers. Follow along with Will and his father to observe the long process of book-making in 1794, and all of the materials they use to make ink and paper. How are cochineal beetles used in the production of ink? How do you think book-making has changed throughout history?

What does a light bulb require to burn bright? What happens when a light bulb burns out? Discover how filament, made of one of the heaviest metals, a mixture of two gases, a 60-watt light bulb, and electric currents make this bright idea more than just a bright light! The amazing science behind the light bulb awaits you!