How to Make a Volcano - Project 2: The Easy Posterboard Volcano

This is a fast and easy volcano to make because it uses posterboard rather than plaster of paris or paper mache. If you just want a nice looking volcano project without all the mess and hassle of gooping with plaster then this project is perfect for you. It is much easier to make and you can have it built in half an hour and it will be ready for the fun of painting and erupting. If you came to this page looking for the paper mache volcano project its here

Here are the full instructions with pictures on how to make this volcano. I also have a video that shows the whole process. It's on this page.

I also have the Mentos and diet coke volcano which shoots a blast a foot or more into the air. This one is spectacular, easy to make but requires adult supervision. The Mentos Volcano

Here is what you need for this project:

• 1 sheet of posterboard
• 1 solid piece of sturdy cardboard or wood (This is to sit the volcano on and it can be posterboard or a piece of corrugated box).
• 1 bottle -almost any size is ok from 20oz soda bottle to a snapple bottle
• Paints and other things to decorate it any way you like
• Some Masking tape, but cellophane tape will work too
• a few sheets of newspaper

Volcano erupting Materials:

• water
• 4 or 5 drops of detergent
• Two Tablespoons of Baking Soda to the water
• Vinegar

Take your bottle and place it upside down on the posterboard and draw a circle around the mouth.

Now cut the posterboard just like in the picture at left. It ends up with a slot from one side and the circle cut out.

Now grab both ends of the slit and fold one end right over the other to form a cone. Put some tape on it so it stays a cone shape. This is the cone of your volcano.

Trim it with scissors so it is a nice cone shape and the right size for your bottle. Trim it in small increments, taking a little bit off at a time so you don't over trim it.

Now trim the top of the cone so it fits nice and snug over the bottle.

Tape the mouth of the bottle to the cone of the volcano. The bottle should sit flat on the table as does the cone. This is the basic shape of the volcano and it looks great. Remember, take your time and trim it in little strips at a time until it has a nice shape. This way you don't over cut it and have to start over.

Note: In this tutorial I paint the volcano using water based paints. If you want to use crayons or pencils you should at this point, once you have the shape of the cone right, take all the tape off the volcano and lay the cone out flat - this way you can use crayons or pencils to decorate it like a volcano.

Flip the cone over and fill it with crumpled up balls of newspaper. The bottle is still there right in the middle under my hand. This newspaper will add strength and solidity to the form.

Place the cone down on your board and tape it firmly in place. Notice how it sits nicely and see how the bottle sticks out the top? This volcano looks great and you can use just about any kind of a strong flat surface to tape it down to. A piece of wood is good, or some strong corrugated cardboard. Even a couple of sheets of posterboard taped together would be ok.

Now you are ready to add some decorations and make it look real!

Here is completed volcano, all painted up and ready to go! Remember that you should paint red, yellow and orange at the top to simulate the flowing magma. And add a fun fact sheet to your volcano to show how they work. I have a fact sheet with a picture that you can print up here

Now for the Ingredients for Making this Volcano Erupt

1. Take the bottle out of the volcano and fill it almost full with water
2. put 4 or 5 drops of detergent right into the water
3. Add Two Tablespoons of Baking Soda to the water
4. Put the Volcano over the bottle so it is in place and ready to go
5. Pour some vinegar right into the volcano bottle and watch it Erupt!!

Edmund Scientifics is a place that I have been shopping at for years. I very fondly remember many things I ordered from their paper catalog when I was younger. They have a wonderful array of science learning toys, kits and stuff. They of course have a few different, reasonably priced volcano kits. This kits allows you to contol the flow of lava with hand pressure. The Smithsonian Giant Volcano They also have five other volcano kits here

Amazon.com has some great volcano making stuff too!

Mega Volcano

The ultimate science project is exploding with fun! The twelve inch volcano is easy to mold out of quick-dry plaster gauze. Kids can paint the details of the mountain on with red and brown paints for a realistic look. Pretend play continues with three to scale plastic dinosaurs. The best part, a recipe for "lava" and the plastic cup that perfectly fits, concealed in the "blow hole" of the volcano is included. Measures 14"L x 15"W x 12"H. Adult supervision recommended.

Volcano Island

Create a believable model volcano - with eruptions that shoot up to six feet in the air!

• 3-D volcano landscape to build and paint
• Uses baking soda and vinegar (not included) to create spectacular eruptions
• Lights and sound make for a realistic volcano effect
• Erupts up to 6 feet in the air
• Rumbles like a real volcano
• Includes miniature trees, paint and red lava dye
• Four legs built into frame

Explore the most destructive force on earth and learn all about volcanoes with this hands-on kit. It's fun, dramatic, and engaging - the very best way for kids to learn.

How to Make a Chemical Volcano: And Other Mysterious Experiments

In recent years, the fascination among kids with chemistry sets has seemingly dwindled. And after all the terrorist bombings worldwide, many parents are probably reluctant to have their kids messing around in the basement with the test-tubes and chemicals that used to be de-rigeur in adolescent development. But here's a delightful book of simple chemistry experiments that any kid can do with household compounds like baking soda, vinegar, and whatnot -- perfectly safe, and highly educational as well (and the volcano seems like it would be very cool). And, I was pleased to find out that it was written by a 13-year-old! Recommended.

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