AUTUMN.

Falling Leaves.

Changing Colors.

Butterfly Migration.

Johnny Appleseed.

Columbus Day.

Plant Weather Predictors.

Big Pumpkin.

Saving Time.

Cleaning Up.

Night Vision.

Static Charge.

Native Popcorn.

Animal Weather Predictors.

WINTER.

Melting Ice.

Winter Stars.

Winter Solstice.

Bear's Paws.

Cool Sunglasses.

Sweet Crystals.

Snowflakes.

Snow Motion.

Moon Rings.

Heartbeat.

Fat Facts.

Penguin Undercoat.

Turtle Warm-ups.

SPRING.

Wind Catchers.

Netted.

Clover Leaves.

Spring Equinox.

Spring Rains.

The Big Dipper.

Earth Day.

Conserving Paper.

Hummers.

Early Risers.

Dinnertime.

Water Walkers.

Frog Bite.

SUMMER.

Color Changers.

Critters' Ears.

Summer Smells.

Star Locator.

Sun Protector.

Puffy Raisins.

Up and Out.

Dog Days.

Keep Cool.

Wrinkled Skin.

Singing Lessons.

Cool Clothes.

Sweaty Cans.

Glossary.

Index.