Showing results by narrator "David Armstrong" in All Categories

Learning a new sport can be exciting and difficult! Yo is trying to learn how to play T-Ball, but it’s harder than it looks. Luckily Yo’s Dad is here to help, and after instructing Yo on the best way to stand and swing, something amazing happens!

It’s time for bed! As Yo is being tucked in for the night, he notices his toys aren’t the same color in the dark as they are in the daylight. Yo wants to know why his train is no longer red and his ball is no longer green!

Did you know that sound vibrations make music? Learn how different musical instruments like guitar, drum, xylophone, and trumpet, make sound vibrations from the movement of strings or air—that together make music! Follow the activity to make your own instrument from straws! Experiment with short and long straws to discover which makes a high or low sound.

Eyes are organs that allow you to see the world! Learn about the anatomy of the eye and how it works to allow you to see. Discover how your vision is created through connections between your eye and brain. You won’t believe your eyes when you see a 3D movie! Special 3D glasses help your brain view a mixture of two different camera angles and colors from each lens. Have you ever seen a 3D movie?

Imagine taking a flight to the stars! Yo pretends to take a rocket into the sky to visit the stars–only he wonders if he will see the stars. Yo doesn’t want to crash into them if he can’t see them!

Germ Busters are on patrol! See the Germ Busters fighting bad germs in your blood marking them for destruction. The Busters are a team of antibodies that come from medicine you get from a shot. They are weak germs that can’t make you sick. Germ Busters keep protecting you from germs if they get inside your body again. Will you join the Germ Busters to fight the germs?

Yo says his toy animal, polar bear, wants to know why the polar regions stay cold! Yo’s father shows him a globe of the earth! Did you know the sun doesn’t shine on the North and South Poles strong enough to keep it warm? Yo learns that because the earth is tilted, sunlight shines brightly in the middle of the earth, and dimly on the Poles. What will Yo learn when he sees a flashlight?

A big snowstorm hits Lark street and people in the neighborhood find ways to help each other and have fun! People shovel snow–Mr. Thompson pushes the snow out of the street with his snowplow. Maria helps her neighbor, Mr. Russel, get his groceries. The families on Lark street have fun in the snowy weather, too! They build snowmen and build ice sculptures. How do you have fun in the snow?

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?

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?

Have you ever had an electrical power outage at home? In 2003, the largest blackout in United States history left millions of people without power for days! Learn how power generation plants are connected to the power grid that distributes electricity to regions of the country and to homes. What causes power outages? How does losing power affect daily life? What can people do to conserve energy?

Do you know how the buildings in your city got there? Before buildings are built, different types of machines that move the ground are used! Some are large like the excavator or digger that moves old ground and dirt away, preparing the space for a new building! A bulldozer clears away old stones and dirt. The scoop, called the loader, does many jobs–it smooths, scrapes or carries dirt away?

Yo visits the library and reads a story, a fiction book about elephants who can swim. Yo doesn’t think elephants would make good swimmers–he thinks they’re too heavy! The librarian shows Yo how to find non-fiction books about elephants. Yo likes the book about real elephants and is surprised to learn elephants are great swimmers after all! What are some fiction or nonfiction books that you know?

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.

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?

Yo knows just what to do if he catches fire–stop drop and roll! Yo visits the fire station and learns how to put out dangerous flames by rolling around on the ground. He learns that running and waving your arms makes fire get bigger. Yo practices what to do and what not to do in case of fire. Would you know what to do to protect yourself? Have you ever visited a fire station?

Popcorn is a yummy snack–how is popcorn cooked? From an un-popped kernel, heat boils the water that the kernel naturally has inside it. The water turns into steam after it builds up inside. Scientists used cameras to discover how corn popped! What’s inside the kernel to make an explosive change happen–turning a kernel of corn into a tasty buttery treat–popcorn?

Have you ever wondered about all the shapes it takes to design and build structures like buildings or bridges? Different shapes like squares, triangle and rectangles are used in construction, but which shape forms the strongest? Follow the activity using straws and string to find out which shape is the strongest, sturdiest construction?

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!

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?