JUNIOR ROCK COLLECTOR EXCAVATION

In this quick and inexpensive tutorial, we are going to show you how to make a Junior Rock Collector Excavation. These excavations are super easy to make and are a great teaching resource to include in your next lesson or discussion about rocks, minerals, rock collecting, geology, gemstones, and more.

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Materials:

Sand

Plaster of Paris

Water

Mixing Bowl

Wooden spoon

Measuring cups

Popsicle sticks – Popsicle sticks are inexpensive, readily available, and make great excavation tools.

Safety goggles or glasses – You we need to provide or borrow a set for each student.

Optional – Brushes and magnifying glasses.

A small plastic organizer - You want an organizer with at least six or more compartments that are 1x1x1 inch or bigger. 

Assorted rocks and minerals - You can buy these online, find some in a nearby forest, or get some for free through our free rock program.

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Directions:

1. Place some rocks and minerals in each compartment of the organizer.
2. Mix 1 cups sand with 1/3 cup Plaster of Paris.
3. Add 1/3 cup of water and mix until you have a pancake batter consistency.
4. Pour the mixture over the rocks and minerals filling each compartment. Be sure not to overfill the compartments or the lid may have trouble closing. 
5. Place the Junior Rock Collector Excavation in front of a fan overnight until it is completely dry.
6. Distribute the excavation, excavation tools, and safety goggles to your Excavating Adventurer and have fun watching them dig in and discover the awesome rocks and minerals you have hidden inside.

Excavating Adventures Pro Tip: Once the excavation has been completed, the organizer can be cleaned and used to store, carry, and to display the rocks and minerals.

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