Reach Out!
Paper Clip Sailing
Students explore water, molecules, and surface tension. For this floatation lesson, students discover why some objects are able to float on water as they follow the procedures included in this activity.
Curated OER
Drops of Water On a Penny
In this science activity, students learn about surface tension by performing an investigation with drops of clean and soapy water on a penny.
Curated OER
Surface Water and Groundwater
Students examine distribution of water and minerals. In this surface and groundwater lesson, students conduct an experiment with fresh and salt water making hypothesis and drawing conclusions about minerals.
Curated OER
Physical Properties of Matter
Five fabulous procedures introduce physics or chemistry classes to special properties of matter. They discover adhesion and cohesion, solubility, melting and boiling points, and viscosity through hands-on experiences. Tests are...
Curated OER
Liquids and Gases
In this liquids and gases worksheet, students will review the basic characteristics of water including surface tension and evaporation. This worksheet has 1 fill in the blank and 6 short answer questions.
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...
Reach Out!
Paper Clip Sailing
Students explain that some things can float on top of water because of what we call "surface tension." They see that if something happens to disturb these water molecules from tugging on each other, the skin-like surface breaks up.
Curated OER
Water Unit
Students make boats and race them. In this physics lesson, students investigate surface tension, molecules, and cohesion by competing in a class race with their boats. Students experiment with liquid soap to see how much will make their...
Curated OER
How Many Drops?
Seventh graders hypothesize about the number of drops of liquid that can be placed on a penny before it spills over. They examine both the concept of devising a hypothesis and the idea of surface tension. They determine the difference...
Curated OER
Surface Tension On Coins
Students drop water onto clean coins to determine the tension of each coin and then to graph their findings.
Curated OER
How Many Drops of H2o Can Fit on a Penny?
In this properties of water instructional activity, students explore the surface tension and cohesion properties of water compared to other liquids in a 2 part experiment.
Curated OER
7.012 Fall 2004 Section Self-quiz
This quiz just looks neat! It has two cell diagrams for biology class members to label. They also describe the function of each organelle. A prokaryotic and eukaryotic cell are displayed for them to compare, and then they fill in the...
Curated OER
Pepper Scatter
Students discover the forces that affect the surface tension of water. In this surface tension lesson plan, students use pepper, soap, and liquid detergent to discover the forces.
Biology Junction
Water Properties and More
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.
Teach Engineering
Investigating Contact Angle
Discover the properties of water-loving and water-hating surfaces. In the seventh installment of a nine-part series, scholars explore hydrophilic and hydrophobic surfaces by conducting an experiment. They observe surface coatings,...
Curated OER
Earth & Space Science: Holding it Together
Students estimate how many drops of water can fit onto the surface of a penny and then test their hypothesis to find out. They also experiment with bubbles.
Curated OER
Crazy Chemistry Lesson Plan
Students study water molecules, cohesion and surface tension. For this molecule cohesion lesson students create chemical reactions that cause a balloon to inflate and another one that results in soap suds.
Curated OER
Propel a Toy Boat with Chemicals
A simple cardboard or plastic boat is propelled across the surface of water when the surface tension is disrupted by adding detergent. Once youngsters see this in action, explain about the properties of water that make it possilbe:...
Curated OER
Properties of Matter
This PowerPoint is a gem! Seventy-eight slides present an entire introduction to matter in bullet-point fashion. Viewers learn about everything from mass and inertia to phase changes and gas laws! The only glitch is that the links to...
Curated OER
Lesson Plan of a Thematic Project - Water
Sixth graders investigate the properties of water. In this life science lesson, 6th graders create a concept map of water. They share their work with the class.
Curated OER
Take a Dip: Sticky Water
Students complete lab activities to investigate the "sticky" properties of water, such as surface tension and capillary action, due to the polarity of the molecules.
Rice University
College Physics for AP® Courses
Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...
National Nanotechnology Infrastructure Network
Lab On A Slab
Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...
Teach Engineering
Wetting and Contact Angle
Explore terminology related to water droplets. The sixth installment of a nine-part series teaches young scientists about wetting and contact angles between water droplets and surfaces. It also distinguishes between hydrophobic and...