geologistDiscover the world of volcanoes and learn why there are earthquakes. Find out what minerals are used in our everyday lives. Geologist is in the Outdoor group of Activity Badges.

OBJECTIVES

To teach boys to recognize common rock specimens. To acquaint boys with uses of different rocks and minerals. To make boys aware of the earth and its resources. To introduce boys to earth's devastating forces.

WHERE TO GO AND WHAT TO DO

Have a contractor tell the den about construction materials.

Make a rock collection.

Make your own fossils.

Under the supervision of a knowledgeable adult, have the den build a "live" volcano.

Construct a geyser to see how it works.

MAKE A VOLCANO

Materials:

12-inch-square wood for base
Aluminum foil
Baking Soda
Vinegar
Red food coloring
Newspaper and wallpaper paste

 

  1. Make a cone-shaped base for papier-mâché by sticking pieces of coat hanger in wood base diagonally. Fill in under wires with wadded aluminum foil.
  2. Cover cone with papier-mâché. Leave an opening in top where jar lid can be set. Let dry.
  3. Paint with tempera or acrylic paint.
  4. Set jar lid upside down in top of volcano.
  5. To make volcano erupt, place about 1 teaspoon of baking soda in the jar lid. Add 1/4 cup vinegar mixed with a little red good coloring and watch the action. This is safe to use indoors.
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