June Cub Scout Roundtable Issue
Volume 7, Issue 11
Webelos Aquanaut & Geologist
Circle 10 Council
wood for base
Red food color
1. Make a
cone-shaped base for papier-mâché by sticking pieces of coat hanger in wood
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 ¼ cup vinegar mixed with a little red food coloring and watch the
action. This is safe to use
Inland Empire Council
Water, Salt, Nail, a small saucepan, spoon, fine sand
(about one quart), a plastic or cardboard container, aluminum food container.
Pour one cup of water into a small saucepan and heat it on
the stove over medium heat. As the
water heats, add the salt and mix well. Continue
adding salt and mixing it well until no more will dissolve in the water.
Remove the pan from the heat. Place
the sand in a deep, plastic container that is large enough for mixing.
Pour the salt solution into the sand and mix thoroughly.
The sand should be completely moistened.
Punch tiny holes into the bottom of an aluminum food
container with a nail. Press the
sand and salt mixture into the container and pour away any excess water.
Keep this experiment in a warm, dry spot for several days.
After the sand has dried out, lift the chuck of material from the
container and examine it. You have
just made sandstone.
The sandstone just made was created in much the same way
that nature makes it. The salt clings to the particles of the sand and holds
them together. If you find
sandstone in nature, you will find it is made of several layers.
This occurs when one sandy sediment is laid on top of another.
These layers are pressed together over time to make the rock you see
California Inland Empire Council
The Earth Bowl is a three dimensional, edible
representation of the earth in cross section.
(If time allows, have scouts participate in measuring the ingredients and
constructing the Bowl.)
4 oz. pkg. raspberry gelatin dessert
4 oz. pkg. instant vanilla pudding
8 oz. pkg. black cherry gelatin dessert
4 cups boiling water (can be boiled and kept hot in
4 cups cold water
3 mixing bowls
12 graham crackers
1/2 cup melted margarine
1/4 cup granulated sugar
10" diameter clear glass bowl
(Small paper cups and spoons for after discussion)
Make the gelatin desserts in separate bowls and according
to the directions on the side of the box. Put
in refrigerator to set. Have the
Scouts crush the graham crackers into fine crumbs.
This can be done by putting the crackers in a zip-lock bag and having the
Webelos pound the bag until the crackers are in very fine crumbs.
Mix the graham cracker crumbs with the melted margarine and
granulated sugar. Press the mixture on the bottom and along the sides of the
glass bowl to form a crust. Set
After two hours the gelatin will set. Spoon the black
cherry into the graham cracker crust. Form
it so that there is about a five inch pocket in the middle.
Next, spoon in the lemon gelatin, leaving a two inch hole.
Into this center, spoon the raspberry gelatin.
Allow time for each Scout to take a look at the Earth Bowl
and discuss its layers. Then dig in!
Materials found in Baloo's
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