Curated OER
Drops on a Penny
A helpful worksheet describes an interesting demonstration on the surface tension of water. Learners guess how many drops of water the heads side of a penny will hold. This resource does a great job of describing just how a penny can...
Curated OER
Drops on a Penny
Young scientists explore the concept of surface tension at is applies to water. In this activity, learners use a dropper to place drops of water on a penny. Each group guesses how many drops a heads-up penny will hold, then conducts the...
Teach Engineering
Penny Perfect Properties (Solid-Liquid Interations)
I can get more water to stay on a penny than you can! Collaborative pairs determine the volume of liquids that can be contained on the surface of copper pennies and plastic coins. The pairs analyze their results using graphs and go on to...
Curated OER
Drops of Water On a Penny
In this science activity, learners learn about surface tension by performing an investigation with drops of clean and soapy water on a penny.
Curated OER
Drops on a Penny
In this surface tension worksheet, students predict how many drops of water they can put on a coin. They test their hypothesis and repeat their experiment three times. They record their data and average their trials.
Curated OER
How Many Drops of H2o Can Fit on a Penny?
For this properties of water worksheet, students explore the surface tension and cohesion properties of water compared to other liquids in a 2 part experiment.