Volcanoes: Mind-boggling experiments you can turn into Science Fair Projects!

An eruption of science learning fun! Use common household materials to create all kinds of experiments and projects. Make a model of the Earth's interior, and learn how a tiltmeter, extensiometer, and seismometer, work by building mock instruments with materials you have around the house. It's an easy and inexpensive way to show kids how things work!

Janice VanCleave's Volcanoes includes 20 great experiments plus dozens of additional suggestions for developing your own science fair projects. How does density, pressure, and temperature affect the movement of magma? How do volcanoes change the shape of the Earth's crust? What type of rock is formed when lava cools? Young geologists can jump right in and explore all these fun activities! Paperback, 88 pages.