Children’s / Teenage general interest: Science and technology

Known as the red planet, Mars is the closest planet to the sun.

During the formation of the solar system, not all of the materials in the vast could of dust and gas were used.

Why does a volcano erupt?

In 1938, off the coast of South Africa, a woman found a strange blue fish with four stubby fins, pointed spines, and a funny looking tail-it was a coelacanth!

In the first book of the Math Is Categorical(R) series, readers will become familiar with the concept of addition and its key terms.

When nine-year-old Booker T.

How many kinds of warships are made?

How do submarines sink and float?

Who flies fighter planes?

What is matter and where can it be found?

Why do some things heat up quickly while others don't?

Where does electricity come from?

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct.

What is work?

What do forklifts do?

How is a book made?

How is a house built?

How are crayons made?

How are bricks made?

Did you know that both electricity and light move in waves, like water does?

Do you ever wonder why it seems like you are not moving even though you are standing on a planet that moves through space?

Have you ever wondered why things drop to the ground instead of float or fly?

Have you ever seen a magician make something disappear and question if anything could really just vanish?

Do you know why a 10-ton boat floats but a tiny pebble sinks?

Turning dreams into inventions can be a challenge, but lots of kids do it every day.

What is work?

Of the six simple machines, the wheel and axle is probably the most recognized.

Do you know what a lever is?

¿Alguna vez soñaste con ir al espacio exterior?

With the help of his pea plants, Gregor Mendel cracked the secret of heredity, how traits are passed from parents to children to grandchildren.

Go on a journey of discovery in My First Book of Everything.

Now you can discover the answers to these and many other fascinating questions about engineering for yourself with this fun-filled resource.

At night, ten different species of frogs convene in a marsh.

As in previous books in this critically acclaimed series, Brynie polled hundreds of high school students across the country to find out what they wanted to know most about blood and circulation.

Cada mes un ciclo ocurre en el cielo.

Invierno, primavera, verano y otoño—las estaciones son uno de los ciclos más familiares de la naturaleza.

¿Qué significa migrar?

La hibernación es un ciclo que algunos animales hacen cada año.

Desde los lagos hasta las nubes, hasta la lluvia que cae de nuevo a la Tierra, descubra cómo el agua cambia a través de diversos procesos para formar el ciclo del agua.

Los lectores principiantes aprenderán sobre los patrones básicos del Sol y la Tierra y lo que causa día y noche.

In 1877 a young man developed a way to reproduce sounds so they could be heard again and again.

Henry Ford loved mechanical things: springs and gears, cogs and wheels, and things that clicked and ticked and turned.

Jan Matzeliger felt anything but welcome in Philadelphia in 1873.

There wasn't anything that George Washington Carver couldn't grow.

Dallas Mavericks star Dirk Nowitzki didn't grow up with a basketball in his hands.