Risultati letto da "David Armstrong" in Tutte le categorie

Yo cuts his finger on a glass and needs his grandfather’s help–Yo’s grandfather knows just what to do to! Yo learns from his mother that there are tiny germs that could get into the cut, so Yo’s grandfather fights the germs with soap and water! Can you guess what his grandfather does next to help? How does Yo’s grandfather stop the bleeding?

Do you know how the anatomy of the eye allows us to see colors? Learn about the part of the eye called cones. Cones are like sensors that detect colors. The more cones a person or animal has, the more colors the eye perceives. Can you guess if your pets see you in full color, or if you see your pets in full colors?

Of all the historic spacecraft vehicles displayed at the Cradle of Aviation Museum in New York–one remains special! On the Moon, it gave shelter to the astronauts. The National Aeronautics and Space Administration Lunar Module–also used as a communications center–the LM-13 was built to transport people from earth to outer space! Learn what else makes this aeronautical spacecraft special!

Help tell the story of Benjamin Franklin's discovery of electricity! Together with your friend, act out this play to learn how Benjamin Franklin used a wire, attached to the top of a kite, to attract lightning from the sky. Lightning is a form of electricity! It travelled down the kite string to the key that created electric sparks! How did Franklin come up with the idea for his famous experiment?

Yo and his grandmother see a rabbit in the yard and watch it quietly. They sit very still. Yo notices the rabbit doesn’t move the same way his dog, Lips, does. Yo learns that the rabbit has powerful short front legs and long, powerful back legs. Lips decides to dash for the rabbit! Will Lips catch the rabbit? What other ways are Lips and the rabbit different? How are they alike?

Dogs have many abilities, along with being super cute–they have great noses that can sniff out smells that humans can’t!

Jennifer needs to get her special toy out of the room where her baby sister, Kaitlin, is sleeping. Jennifer and Yo try not to wake Jennifer from her nap while getting her stuffed snake toy–Kaitlin was fast asleep but awakens and begins to cry!

Can you guess when trees stop growing–they don’t stop! Their massive roots keep them in the ground and require plenty of water, sunshine and nutrients from the soil to help them grow. Trees are the oldest, largest and tallest living things on Earth, with the oldest part of the tree being its strong, woody middle. Find out how a maple tree gets its start! How does a tree grow?

Hector wants to be a superhero just like Universe Man–fighting crime! Hector needs glasses to see and superheroes don’t wear glasses, especially not Universe Man. Hector’s mom takes him to his eye exam and he doesn’t understand why he needs glasses. Will Hector allow his feelings to get the best of him and continue to fight crime squinting? Or will he be a brave boy like a superhero?

Did you know why foods taste different? Food flavors are not just about taste–your sense of smell helps you taste too! Your nose sends messages to your brain about the taste and smell of different foods. Sour and sweet tastes mix to form flavors like orange juice and lemonade. Discover the five tastes your tongue’s taste buds sense. Can you guess what scientists identified as the fifth taste?

There’s a chili tasting contest! Nestor Dock and his friends cooked their chili for everyone to taste. Will Nestor have a chance to win with so many different taste buds? Someone wants a pinch of salt, another person doesn’t eat meat, and another person says it’s just too spicey! Find out if Nestor’s ingredients chase everyone off. What would you put in your chili?

Yo’s favorite thing about rays is the way their bodies feel soft and smooth. Yo and her grandmother visit an aquarium full of sharks and rays where Yo learns about rays, like how they flap their wings to swim in the water. Yo thinks the way their back and belly change color to camouflage from predators is a good trick! Learn all about rays with Yo!

If you pay close attention and use your senses–nature will tell you many things! Yo observes a pinecone with closed scales, which means it will rain. Yo is right; it rains, and he tells Lips, his dog, that pine cones only open when there is sunshine! Yo waits patiently for the pine cone to open. What happens when the pine cone opens? Will Yo see the seeds once it stops raining?

What happens when the trash you throw out is picked up by the garbage truck? Where does it go? Once the garbage truck picks up the trash in your neighborhood, it goes on a journey to be broken down. A recycling truck might pick it up and make new things or it may be used for a compost heap, or maybe it goes to a landfill where it’s covered with dirt. Find out what happens when a landfill is full!

Yo visits the beach with his mother who reminds Yo they need to use sunscreen to protect their skin from the sun. Yo wonders why his mother tells him to drink water–then Yo gets very thirsty! Yo sweats in the summer weather and learns sweating is good for the body. Yo jumps in the water to cool off! He wants Lips, his dog, to jump in, too. Find out if Lips takes a swim in the ocean!

The wind is moving air! When warm air rises through the atmosphere, cool air flows in to take its place, creating wind! Did you know that wind power can produce electricity? Tall machines called wind turbines are solar-powered and becoming the fastest-growing renewable source of energy–they burn no fuel and cause no pollution. Turbines can be found on many wind farms, especially in Europe!

Did you know food scraps you throw away help plants and vegetables grow? Scavengers, animals who eat our food scraps, and decomposers: bacteria, fungi, and insects break the food down into soil. They eat some and put the rest into the soil we use for planting and gardening. Can you guess which animals and bugs make the best decomposers? What are scientists learning about decomposers?

Martin, Liz, and their friend take a hike through the forest and learn about animals and plant life. This forest ecosystem is a healthy environment for animals and plant life to grow. A woodpecker checks for bugs to eat in a nearby tree, with bark that is ancient. Martin notices moss on the old tree bark and poisonous mushrooms! What else will they find on their forest hike?

Climate change affects many regions with hotter and drier weather, and forest fires are a growing problem. Learn how hungry animals might help reduce wildfires. Fires need fuel, oxygen and heat to start a flame. The forest floors are covered with dry grass, dead wood, and bark called duff–fire fuel! Learn how conservationists are using sheep, goats, beavers and other animals to reduce fires!

Yo learns an important rule about using a campfire when she goes camping with her mother and father. Yo notices land destroyed by a forest fire. Campfires can start just from a small spark hidden in the coals of a campfire and a little wind! Yo discovers how forest fires can start and how to prevent them. What does Yo learn about being safe with campfires? How would you put out a fire?