Résultats lu par "David Armstrong" dans Toutes les catégories

How are balloons able to float? Is it magic–or is it one of earth’s elements, like iron or oxygen experiencing an explosive charge? Helium is formed when unstable atoms collide. Helium is found underground with other gases, like methane, which is the main ingredient in natural gas used to heat our homes! Learn how helium was born, and how exploding stars helped create a gas lighter than air!

Hassan is a scam artist living in Africa. He sells people fake products at the market. After stealing a camel to ride home he realizes the camel has a special talent—it can write with its hoof in Arabic! Hassan thinks he can sell the camel or take the camel to festival where he can show the camel for money. Will Hassan take advantage of the talented camel? Or will the camel get the last word?

What is a light beam? What are photon particles? What are all things made of? These are questions young Einstein asked himself; questions that would change our world forever. Travel along with young Einstein to learn about his discoveries, still in motion today!

Gattone enjoys the attention he gets from people and the food and bedding left out for him, but he enjoys his freedom even more. Gattone is nobody’s cat and that’s the way he wants to be—or is it? When a new friend appears, she gives Gattone a perspective he never expected. Will Kitty-Cat be able to prove to Gattone that being someone’s cared-for pet is better than being a free stray?

After finding an article about an old woman he used to know, a young man reminisces about the pieces of sea glass he would hunt for on the beach and sell to her. Unbeknownst to him, however, was just how special those unusual little gems would turn out to be.

A young boy is bored during his summer vacation. All his friends have left and his mom banned him from his phone and TV. What else is there to do? When his mom challenges him to follow an ant, will he win the prize? Or will he lose the bet and get stuck with chores?

In this Persian folktale, Hassan is in love with Neeloufar, a beggar who sits outside his shop. He wishes to marry her, but she has a secret—her family is royalty! Will her father, the King of Beggars, allow Hassan to marry his daughter? Will Hassan be able to accept her family’s business?

Imagine if the sunlight could not reach where you lived–the weather would be cold and slippery! The sun does not shine directly on the Arctic and Antarctica, causing the surrounding waters to freeze solid. The earth is tilted as it rotates around the sun, preventing the polar regions from getting enough sunlight. Can you guess how long it takes the earth to orbit the sun?

A family of four cats’ favorite toy mice have disappeared! No matter they do to hide their mice, the toys still disappear overnight. Unbeknownst to them, a real mouse has stolen the toy mice to furnish her home! Will they be able to find the squeaky thief and get their toys back?

No one wants to be the dragon handler because all he does is spit fire at them. When no one is up for the job, the king hires a magical wizard to wrangle the dragon. Instead, the wizard puts the dragon under a sleeping spell! Now no one can wake him and their kingdom is being attacked! Their last hope is the princess—will she be able to wake him without facing his wrath?

Guthrie doesn’t remember who he was before he came to the City of Wind. One day with his friend, Zephyr, they find a strange flying machine that seems familiar to Guthrie. Will he be able to remember who he was? Will he remember why he came to live in the City of Wind?

Have you ever wondered why the Tower of Pisa isn’t straight? Find out how this famous tower started to lean. Learn how the tower was built and the ways architects have tried to fix it. Find out how this famous tourist attraction became the Leaning Tower of Pisa!

Hadley the walrus loves to entertain people at the zoo, but he never feels at home there. He needs a place with a bigger pool! He decides to escape and travel to a new home in Alaska. Along the way, he meets new friends and experiences new things, like trains! Will he be able to make it to his new home before getting caught?

Jake and Ryan are staying with their grandmother. Jake is afraid of noises coming from the attic door in his room. Ryan thinks the noise may be from monsters or ghosts. Jake is too afraid to sleep. How will Jake be able to conquer his fear of the attic?

Your senses are an amazing part of the human body. They allow you to see, smell, hear, and taste things! Did you know you can trick them? Learn about the different optical illusions that will make your senses go wild!

How do scientists figure out about new animals and plants? They have to use evidence! Using scientific evidence, they can learn that monsters might not always be what they seem. See how scientists used science to identify and debunk some unknown "monsters."

Watch out! Some animals make it clear for others to stay away by how they protect themselves. Other animals have more subtle ways of defending themselves. Find out how different animals use their bodies and behaviors in order to survive.

Jim is trying to impress his new neighbor while his family is away. Instead, he makes a fool of himself! After a series of mishaps that involve his dad's prized lawnmower, angry hornets, and a bath towel, Jim wonders if things could get any worse. Will he ever get to meet his crush? Or will his first impression scare her away?

Did you know people didn’t always use numbers or math to talk about money? Throughout history, people have created different phrases in order to communicate about money. Instead of just saying a number, they were able to talk about how one must pay or even someone’s financial status. Money can be a whole new kind of language!

Detectives Sal and Iggy have a new case—find the stolen diamond from the museum! Together, they must find the thief and return the diamond. Who can be the buggy culprit? Was it the security guard firefly? One of the bees at the nearby party? These two reptiles need to use the evidence left at the scene to solve the mystery!