Activity
Curated OER

Carbon 14 Dating in Practice II

For Teachers 9th - 12th Standards
  Your archaeologists combine proportional reasoning with exponential functions in a real-life task centered on Carbon 14 dating.          
Activity
Technovation

Curiosity Machine: Challenges: Build a Dinosaur Shadow Box

For Students Pre-K - 1st
Create a series of shadow boxes to form a complete silhouette of a dinosaur with this challenge. To complete this challenge, students will use everyday materials and this site to document their process.