Weatherball Water Barometer at Educational Innovations


<< Previous Item	Next Item >>

Weatherball Water Barometer
BAR-125

Price:

1 or more:

$25.95 ea.

Qty:

Shipping Information

Larger View

When water moves up the spout, expect stormy conditions; when water moves down the spout, good weather is on its way. Hand blown in Germany, this glass bulb contains trapped air that expands and contracts with changes in atmospheric pressure. Since 1643, many seamen have used this simple water barometer to predict the weather. 19 cm (7.5") tall

Eco-celli Barometer - allow additional shipping time

No More Mercury!! The Eco-celli Barometer is a must in every science classroom! It is safe, accurate, and easy to use!

Global Warming Mug

Add hot water and observe Florida and California disappear, as Central America becomes just a chain of islands!

New Style Galileo Thermometer

Most things float or sink! Ask students: How it is possible for the blue disk to remain in the middle of the liquid?

Tall Galileo Thermometer

Watch the glass spheres as they rise or sink when the temperature causes the density of the liquid to change.