/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/d0/b9/d0b9ad20-8d78-4ca5-acc2-c841336d3e97/hermitcrab3.png)
Hermit Crab Homes: Materials Matter
Exploring Natural and Recycled Materials Year Prep Technology Lesson 3 of 8
What Are Natural Materials?
Come from nature Not made by people Examples: shells, twigs, leaves, stones
What Are Recycled Materials?
Used before and used again Helps care for our environment Examples: bottle caps, cardboard, fabric scraps
Sorting Challenge
Work in groups of 6 Sort materials into two groups Natural or Recycled? Feel the textures!
Which Materials Feel...?
Rough or smooth? Hard or soft? Heavy or light? Share what you discovered!
Our Material Discoveries
{"left":"Natural Materials\nShells - smooth and hard\nTwigs - rough and light\nStones - heavy and strong","right":"Recycled Materials\nBottle caps - smooth and colorful\nCardboard - light and easy to cut\nFabric - soft and flexible"}
Perfect for Hermit Crab Homes
Safe materials only Not too heavy Easy to work with Good for the environment
Remember
When we use recycled materials, we help take care of our planet!