To overcome her fear of the dark, Zoey investigates why it gets dark, and learns how animals and plants have evolved to adapt to darkness. BIG IDEA IN STEM: Darkness means there is little to no light. Darkness influences all life forms on Earth.

Teacher's guide available under Additional info tag.

MY GREAT CHALLENGE: To understand how owls hunt at night, Zoey blindfolds the challengers and has them “hunt” for squeaky stuffed animals. IN THE FIELD: Zoey and a bat expert go on a nighttime bat-finding expedition. .