Showing results by narrator "David Armstrong" in All Categories

Yo and his grandfather have car trouble on their way to the movies–their car breaks down! John the tow truck driver helps them move the car to a repair shop. Yo tells John the car made noises then the car stopped. John shows Yo how a tow bar slides under the car, and a lever lifts the car up onto the truck to be taken to the repair shop! How did the lever help make John’s work easier?

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?

If you plan to visit one of the coldest, windiest places in the world, you’ll need to be prepared! Antarctica's roads are covered with packed snow and ice, requiring special vehicles and snowmobiles to drive on this slippery land. A bus named ‘Ivan the Terra’ carries 56 people and has tires big enough to keep the ground from sinking! Learn about other vehicles that transport cargo and people.

Animals get their energy from the food they eat. Animals depend on other living things for food. Some animals, called herbivores, eat plants; while others are carnivores that eat other animals. Scavengers, like vultures and hyenas, eat dead animals. Learn how different animals eat and how this determines how they look and where they live. Can you name other animals that are scavengers?

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 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 lightbulb was invented? In the 1800s, the first incandescent lightbulb was invented by Thomas Edison. Learn how Edison experimented with different materials, direct current, and by trial and error to design the first lightbulb. Which power company was created that funded the first electric lighting system to distribute light? The company still operates today, lighting and powering our world!

Doctors, nurses, and people who work in hospitals use stethoscopes to listen to their patients’ hearts and bodies. It makes sounds loud so the doctor can hear better. Yo’s mother has an old stethoscope that Yo uses to listen to her own heart and stomach. Yo places it on her head. What sounds will she hear? Find out what else Yo can hear with the stethoscope!

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!

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?

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?

Yo is happy his mother and father are staying home with him on this winter day. It’s a snow holiday at Yo’s house! The streets are blocked with snow from a winter storm. What would you do on a family snow holiday? Yo builds a snowman with his father that looks like their dog, Lips. They use snow to make his body and paws. Guess what Yo’s mother wants to do next on their snow holiday?

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?

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?

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?