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3B Scientific Ball with Ring User Manual

Page 4

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Elwe Didactic GmbH

▪ Steinfelsstr. 6 ▪ 08248 Klingenthal ▪ Germany ▪

www.elwedidactic.com

3B Scientific GmbH

▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪

www.3bscientific.com

Subject to technical amendments

© Copyright 2008 3B Scientific GmbH

4.2 Heating with boiling water

Additional apparatus needed:

1 Glass beaker

Boiling water

First verify that the ball passes through the hole
in the bracket at room temperature.

Immerse the ball in boiling water for about 30
seconds.

Test whether the ball passes through the hole.

Cool the ball in cold water and test again
whether the ball goes through the ring.