Human biology

Squeak!

Learn About Genes And Heredity Through Clear Text, Photographs, And Graphics.

A look at animal and human cells, and the internal structures that allow them to obtain energy, get rid of wastes, grow, and reproduce

How Objects Store and Exert Energy

Explains Force And How The Lever, Pulley, And Wedge Work.

Zoom!

Waves don't just happen in the ocean.

Each day, you encounter solids, liquids, and gases.

The sun is huge and bright!

Sound and light travel through our world in waves.

Earth's four desert biomes - hot, semiarid, coastal, and cold - each have their own set of challenges for the living things within them.

Let's get moving!

Squeak!

A crack of lightning.

The book, Animals Have Classes Too!

The book, Animals Have Classes Too!

A sick or injured body is like a broken machine.

Emotions are powerful feelings that we don't always understand.

What foods should you eat to stay healthy?

Can you name some of the muscles you use every day?

Did you know the brain is the most complex organ in your body?

Your body is a busy place.

Everyday your body is growing.

The book, Animals Have Classes Too!

The book, Animals Have Classes Too!

The book, Animals Have Classes Too!

The book, Animals Have Classes Too!

Everyday your body is growing.

The human body is an amazing thing.

Why do animals, plants, and people look like their parents?

When you flip a light switch, it turns on the light.

Imagine being able to taste or hear with your feet, or feel your way through the dark with your nose!

Lions and bees and meerkats, oh my-these are a few of the many animals that survive and thrive in groups.

Hey, what are those things that help me to see?

Hey, what's that growing out of the top of my head?

Hey, what's that stuff that covers my bones?

Hey, what are those things that help me chew?

Humans have always wanted to fly.

One moment, you're standing in front of a crowd.

Saving the day is easy for fictional heroes with superspeed and superstrength.

Traveling back and forth in time is something we have only imagined.

From earwax and bad breath to boogers and burps, the human body is a disgusting place.

Meet a host of awesome animals and learn about the science behind their truly sensational senses!

Why should the bright and flashy animals get all of the attention?

¿Sabías que los diminutos átomos que componen toda la materia contienen enormes cantidades de energía?

¿Sabías que los diminutos átomos que componen toda la materia contienen enormes cantidades de energía?

Audisee(R) eBooks with Audio combine professional narration and sentence highlighting for an engaging read aloud experience!

¿Qué son los imanes?

¿De dónde viene la electricidad?

Una rana no fue siempre una rana.