Free for Teachers / Science
The Science Shelf
4 resources · every one print-ready, answer keys included
Ocean Light
Most of the ocean lives in permanent night — so its animals make their own light. Three ocean zones, bioluminescence, and the creatures of the deep. Article + photoCrosswordTeacher key~340 words Open it
The Cold Red Desert
A rusty, freezing world where the wind never quits — two moons, a canyon over 2,000 miles long, and the robot rovers we send in our place. Article + photoCrosswordTeacher key~340 words Open it
When the Ground Blows Up
What's really happening when the ground blows up — melting rock, hidden pressure, and why some volcanoes ooze while others explode. Article + photoCrosswordTeacher key~340 words Open it
Three Hearts, Blue Blood
An animal with three hearts, blue blood, and nine brains — plus a vanishing act like nothing else in nature. Article + photoCrosswordTeacher key~340 words Open itEverything on this shelf was built for our own students first — then cleaned up and shared with everyone.
For teachers, from teachers
Teaching science we haven't written yet?
Tell us what your classroom needs. The catalog grows in the order real teachers ask.
Request a topic