Resultados narrador por "David Armstrong" en Todas las categorias

Yo learns about foods that are poisonous for dogs to eat. Yo and her grandfather learn what the most dangerous human food is for dogs using their computer. How many types of food will Yo and her grandfather find to keep Lips safe?

Yo and Jennifer are learning about an ant community by watching an ant farm! Yo uses a magnifying glass to see the tiny tunnels the ants have made. Yo and Jennifer are excited to see what the ants will do in their rooms next!

Animals have different-looking ears, yet, help them to hear! Some animals have large floppy ears like the bunny, who points each ear in different directions–hearing two sounds at once! The harbor seal that has no ears, yet hears through holes that close when it dives! Whether floppy or unnoticed–these animals have ears perfect for hearing!

What is juicy, red and green with white stripes and pops up from the ground ready to eat—watermelon! Their seeds need plenty of water, lots of sun and nutrient rich soil. Follow along as a tiny, black seed bursts into a delicious fruit. Watermelons are ready to be picked when their yellow petals have all fallen. Find out what Bee-u-ti-ful insect helps the watermelon grow?

Sidney and his family have moved to the Great Plains. With his father, they build a house made of sod, or grassy dirt. Together, they all learn about the adventures of living in a home made of dirt! Unlike Sidney, his family can’t wait to build a new house.

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?

Firefighter Greg has an important job to do–he helps people who are in danger of being hurt by fire. He has a lot of equipment to help him do his job. A computer inside the fire truck shows Firefighter Greg exactly which house to go to. Ladders, rigs, and tools help get the job done! Can you name other equipment that will be needed for Firefighter Greg to help others, and be safe? How can you be safe at your house to prevent fires?

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?

Firefighter Greg has a physical job to do so he stays strong and fit. He gets up early in the morning and sleeps where he works. Did you know that Firefighter Greg practices putting on his safety gear–in less than one minute? Or that his gear–helmet, facemask, air pack, boots and jacket–weighs 75 pounds? Find out how firefighters practice putting out fires in a training tower!

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?

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?

Connor is mad that he has to spend his summer vacation with his cousins. Instead of playing baseball, he has to hang out on a farm! After being dared to go into a grain silo, Connor finds a family of barn owls in trouble. Will Connor and his cousins be able to help these birds before it's too late?

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?

200 years in the future, environmental catastrophe has befallen the Earth, leaving the skies and weather systems transformed into a nightmarish maelstrom of rainbow chemicals, and the city of London wiped off the map (opinion remains divided on whether or not this was the best outcome for the country).

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?

Who is the first to show up to a forest fire? It's not firefighters—it's the Charcoal beetles! Looking for a place to lay their eggs, they search for the hottest parts of the fire in order to use the burnt trees. Learn how these beetles can sense fires and why fires are their ideal breeding grounds. Find out why scientists want to study these unusual bugs in order to help society!

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!