検索キーワード： ナレーター "Maria Maria" すべてのカテゴリー

Red is a red blood cell. Luke is a leukocyte, or white blood cell. Patty is a platelet. What do these three have in common? They are the workers in your blood. Listen to find out why each worker is important for your body.

Will an orange float or sink in water? Are heavier objects able to float in water versus lighter objects? Learn about the density of materials and how water affects the objects! Make your own scientific discoveries and expand your knowledge by conducting your own experiments with water.

Two brothers, Heung Bu and Nol Bu, lived as neighbors. One spring day when the brothers were out planting, Heung Bu finds a wounded swallow. He nurses it back to health and is rewarded with a single pumpkinseed. Heung Bu plants the seed and is rewarded for his kindness. Nol Bu, jealous of his brother’s good fortune, seeks out a wounded swallow of his own. Will he be rewarded like his brother?

Camden and Skye have been friends since third grade, but they have been growing apart since they started middle school. Conflict leads them to part ways on a duet they’d planned to perform together for the school talent show. Will they be able to salvage their friendship? Or will the competition make them call it quits for good?

Have you ever wondered where glasses came from? This book takes a fun look at the invention of glasses starting with the Greeks and Romans. Then it looks at attempts by the Spanish, Chinese, French, and even inventor Ben Franklin to improve the design.

Do you know how new flowers are made? It’s a process called pollination, which is what happens when pollen is moved from one flower to another! The flowers rely on animals like bees and hummingbirds to do this for them, and in return, they offer the animals delicious nectar to eat. What is your favorite pollen-moving animal?

Nochevieja de 1879. El personal de Menlo Park, el centro de investigación y desarrollo creado por Thomas Edison, se prepara para el acontecimiento del siglo: la inauguración de la primera calle del mundo iluminada por bombillas eléctricas. Sadie, la hermana de Francis Robbins Upton, hombre de confianza de Edison, acude con su madre, la señora Upton, para enseñarle el centro.

Martha’s Gram has spent years searching their property for family heirlooms their great-grandmother buried during the Civil War. Martha tags along one day with her mischievous dog, Rags. Will they have any luck, despite Rags’ antics?

Follow along this brief history of the pursuit of perpetual motion machines and how this endeavor led to the laws of physics we have today. From Robert Park's generator-rigged bicycle, to Robert Fludd's self-running bicycle, to the steam engines of the 19th century, these stories offer a peek into some of mankind's successes and failures when it comes to the exploration of science and advancement.

In this classic Jewish folk tale, a selfish queen captures a lovely starling in an attempt to keep his beautiful birdsong close by. But a starling without freedom cannot sing, so he seeks to escape his cage.

What good is money to a beaver? In this amazing yet true story, wild beavers build their dam using stolen money that was discard into a creek. While the authorities scoured the area for the cash, the beavers incorporated the bills into their dam.

Your skin does a lot to make sure you are healthy and feeling good. It can keep you warm on a cold day, and cool on a hot day. It's tough and helps protect you from the sun. Its ridges help you grip things. Let's face it, your skin has you covered.

In this Chinese folktale, an unhappy young bride named Shui-mu must do all the chores in her mother-in-law's household, until a gift from a mysterious old woman brings change. This Cinderella-like story of overcoming cruelty and rewarding generosity is the origin of the revered Water Mother legend.

Where do all the metals on earth come from? They were all made by stars! In this science story, you'll discover how the fusion of atoms in dying stars in space creates enough heat and energy to make metals.

Sue Ann Hutchins misses her brother Ben, who has left to fight in the Civil War. Ben always kept Sue Ann's spirits up whenever she felt down about an accident that left her blind in one eye. When a chance encounter with General Robert E. Lee arises, Sue Ann asks the General if he can help locate her beloved brother.

When she was young, Helen Keller suffered a fever that cost her her sight and hearing. For a time, her parents let her run wild, but eventually, they hired Anne Sullivan to teach Helen. The two worked together for many years.

The office of the U.S. President is designed to share power between the three branches of government—executive, legislative, and judicial. These three branches balance each other's power to keep the peace and respect the rules.

During the Civil War, rural families had to watch out for guerrilla fighters called bushwackers. Josey McBride and her Missourian family in this story find their farmhouse abruptly invaded by these troublesome thieves. If the McBride family is lucky, the women and children can outsmart the notorious Bill Wilson and his gang.

Philadelphia was a noisy and lively city in Colonial America. In this story, you can just imagine being surrounded by the influence of various cultures, the smells of food in the city and the sounds of craftsmen hard at work.

In Colonial America, the port city of Philadelphia offered more opportunities for women like Rebecca Jones, a Quaker spinster and schoolteacher.