Rebecca Hirsch

Arctic Tern Migration

Arctic Tern Migration

Year unknown

Arctic Terns

Year unknown

Arctic Terns

Arctic Terns

Year unknown

Bison

Year unknown

Buffalo Migration

Buffalo Migration

Year unknown

Caribou

Caribou

Year unknown

Caribou Migration

Year unknown

Crystals

Crystals

Year unknown

Dall Sheep

Dall Sheep

Year unknown

Dall Sheep Migration

Dall Sheep Migration

Year unknown

Green Sea Turtle Migration

Green Sea Turtle Migration

Year unknown

Green Sea Turtles

Year unknown

Heredity

Heredity

Year unknown

How the Executive Branch Works

How the Executive Branch Works

Year unknown

Hydrogen and Fuel Cells

Hydrogen and Fuel Cells

Year unknown

Innovative Technologies

Year unknown Carol Hand, L. E. Carmichael, Rebecca Hirsch, Courtney Farrell, and Marcia Amidon Lusted

Is It Over?

Is It Over?

Year unknown Sandy Brehl and Rebecca Hirsch

Monarch Butterflies

Year unknown

Monarch Butterfly Migration

Monarch Butterfly Migration

Year unknown

New Zealand

New Zealand

Year unknown

Panda's Pause

Panda's Pause

Year unknown Amanda Desua and Rebecca Hirsch

Rock Cycle

Rock Cycle

Year unknown

Save the Planet

Save the Planet

Year unknown

Science Lab

Science Lab

Year unknown

Sedimentary Rocks

Sedimentary Rocks

Year unknown

Soil

Year unknown

Soil

Soil

Year unknown

Splash into Safe Swimming

Splash into Safe Swimming

Year unknown Susie Heinzelman and Rebecca Hirsch