Eroding Rocks in Materials for the Arts

To explore how erosion happens, second graders used zippers and tongue depressors to erode clay rocks. We noticed that the properties of the rocks changed and dust fell as we rubbed them along zipper teeth and tongue depressors!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s