Pre-K to Grade 2

Make Your Own Biodiversity Stationery

Make Your Own Biodiversity Stationery

Honor extinct animals, send a desert snapshot, or let an emperor scorpion deliver your message. Just add your name and address to these colorful stationery files. 

Light Quest

Light Quest

Particles and waves, reflection and refraction—how enlightened are you about the subject of light? Find out with Light Quest!, a kid-friendly trivia game.

Space Jell-O

Space Jell-O

Thanks to Einstein, we know that space bends around anything that has mass. Need help bending your mind around this concept? Mix up some Jell-O, and play with your food!

Thinking in Three Dimensions

Thinking in Three Dimensions

What do books, posters, TV screens, and computer monitors have in common? They all render our 3D world in 2D. Playfully explore the third dimension by building an origami waterbomb.

See the Light

See the Light

Light always travels in straight lines—that is, unless it bends or bounces off an object's surface. Take an enlightening look at light with these three easy experiments.

Create a Coral Reef

Create a Coral Reef

Did you know that, at their core, coral reefs are the skeletons of thousands of dead coral? Make your own coral reef diorama—with pasta, Play-Doh™, pipe cleaners, pom-poms, and hair curlers.

Test Density with a Supersaturated Solution

Test Density with a Supersaturated Solution

You know that oil and water don't mix, but what about salt water and fresh water? Find out firsthand with this kid-friendly experiment that examines both salinity and density. 

Make Your Own Einstein Stationery

Make Your Own Einstein Stationery

Don't just jot down your notes and ideas on plain paper. Showcase them alongside the musings and insights of Albert Einstein with these colorful, ready-to-print PDF stationery files.

Make Your Own Dino Stationery

Make Your Own Dino Stationery

Type your notes next to T. rex, send letters via Diatryma, or let Gondwanatitan deliver your message. Just add your name and address to these colorful stationery files. 

Make Your Own Sifting Screen

Classroom Activity

Make Your Own Sifting Screen

Archaeologists can’t just dig into a site like it’s a sandbox—they’d scramble the evidence and more than likely destroy precious artifacts. Try your hand at the careful sifting they employ.

Shoebox Archaeology

Classroom Activity

Shoebox Archaeology

How does one generation stack up to the next? Find out why it’s easier for archaeologists to answer this question when a family settles in one place.

Where Did You Find It?

Classroom Activity

Where Did You Find It?

Context is everything when it comes to identifying and understanding artifacts. Explore how archaeologists use surrounding objects to sort out how an artifact was originally used.

Curriculum Materials

Petra Book List

Want to learn more about archaeology but don't know where to start? Dig in with this list of books, with titles for both kids and adults.

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