Foundation for Water & Energy Education
How is Flowing Water an Energy Source? Activity B
Explore the world's water without leaving the classroom! In this second of three uncomplicated but wonderful activities, physical science learners feel the pressure of water. They discover that the deeper the water, the stronger the...
Exploratorium
Descartes' Diver
Pique interest in water pressure, demonstrate buoyancy, and explore water displacement concepts with a homemade Cartesian diver. You may want to change the name of the toy, however, as is is not documented the Rene Descartes...
Scholastic
Study Jams! Air Pressure & Wind
Blow your class away with a gust of humor as they watch this video about air pressure and wind. Along the way, they find that the density of air (as determined by temperature, altitude, and water vapor content) leads to air pressure...
Khan Academy
Vapor Pressure Example, Chemistry
A problem from a chemistry textbook is posed on the screen. Sal solves the problem, which attempts to calculate vapor pressure using the Ideal Gas Law. The rate of evaporation of water given a specific volume, temperature, and pressure...
Khan Academy
Vapor Pressure, States of Matter and Intermolecular Forces, Chemistry
Vapor pressure is the focus of this chemistry video. Sal explains that when molecules are "sticking together," a substance takes on a liquid or solid form. However, when kinetic energy increases, the molecules are forced apart, allowing...
Teach Engineering
A Shot Under Pressure
You've got to pump it up! Using the equations for projectile motion and Bernoulli's Principle, class members calculate the water pressure in a water gun. The pupils collect data on the number of pumps and distance traveled in order...
TED-Ed
The Effects of Underwater Pressure on the Body
Exactly what causes the the pain you feel when diving to the deep end of a pool? Find out with this short video that explores the physical laws governing the behavior of gases and the ways they affect marine life...
Crash Course
Partial Pressures & Vapor Pressure: Crash Course
How much pressure is exerted by the mixture of gases in a scuba tank? Introduce pupils to Dalton's Law of Partial Pressure and vapor pressure in the video sure to interest the class. The video also reminds viewers that gases are not...
Institute of Electrical and Electronics Engineers
Water Fountain
Thorough instructions are given to guide you through making a demonstration hydraulic pump from two plastic soda bottles. After using the resource to teach your class about Pascal's and Bernoulli's principles, turn them loose in groups...
Steve Spangler Science
Bursting Water Pipe - Cool Science Demo
Water is powerful! Because it expands as it freezes, if it does so in a closed system, tremendous pressure can be created. All it takes is a little break to cause the system to explode! It's unlikely that you would submerge a pipe full...
Curated OER
Bursting Water Pipe
Water is powerful! Because it expands as it freezes, if it does so in a closed system, tremendous pressure can be created. All it takes is a little break to cause the system to explode! It's unlikely that you would submerge a pipe full...
Bozeman Science
Water Potential
Water flow isn't solely based on gravity. Pupils explore the formula for the potential of water through a measurement of psi based on the solute potential and the pressure potential. The lesson analyzes the example of placing salt...
Mathispower4u
Linear Equation Application - Depth Under Water (Example)
Water pressure decreases at a constant rate with a change in depth. A video lesson demonstrates how to use a linear equation to determine the depth when given a specific pressure. Learners must substitute for the dependent variable to...
Curated OER
STEMbite: Atmospheric Pressure
Mr. Vanden Heuvel is in the bathroom again! This time he examines the strength of atmospheric pressure with a classic demonstration of filling a glass with water in the sink to reveal the column that fills the glass. Then he places a...
Colorado State University
Why Can Warm Air "Hold" More Moisture than Cold Air?—Vapor Pressure Exercise
Does it feel a little humid in here? Learners assume the role of water vapor in the atmosphere as they explore the differences between warm and cold air. They roll dice to determine their level of energy, which determines if they...
Veritasium
Does Pressure Melt Ice?
Explore regelation of ice through a video demonstration. Applying pressure to a block of ice with a wire lowers the melting point and causes the ice to melt. As soon as the wire passes through, the water returns to its solid state as ice...
Foundation for Water & Energy Education
How is Flowing Water an Energy Source? Activity C
Can the force of falling water through a tube vary by altering the diameter of the tube or its height? That is what physical scientists aim to discover in this activity, the third in successively more revealing activities on the power of...
University of Waikato
Buoyancy in Water
Change where an object floats in water. Pupils experiment with a Cartesian diver by squeezing on the side of a plastic bottle. Learners pay attention to the bulb of the pipette as the bottle is squeezed to determine what is happening...
Steve Spangler Science
Steve Spangler on The Ellen Show February 2008
A lot goes on during this visit to the Ellen DeGeneres show. During the first segment, Spangler demonstrates the ability of the human body to act as a conductor of electricity and he shows the clean burning properties of hydrogen and...
Teacher's Pet
Phase Diagrams
This is one phase you'll enjoy going through with your class! Young chemists discover the components of phase diagrams in a video lesson. The narrator discusses temperature and pressure, then shows how their interaction affects the state...
Exploratorium
The Dipping Bird
If you have or want to order the dipping bird demonstration, it is useful for showing how evaporation and changes in the pressure of a closed system cause cyclical motion. After teaching about pressure, consider setting this little guy...
Exploratorium
Geyser
Although it requires a little extra preparation the first time you use this geyser demonstration, it can be used repeatedly once it has been constructed. This demonstration is useful in showcasing how heat leads to increased pressure and...
Teach Engineering
Tippy Tap Plus Piping
Getting water to a tap requires an understanding the fundamentals of fluid flow. Groups design, build, and test a piping system to get water from the source — a five gallon bucket — to a tippy tap. The objective is to be able to...
Teach Engineering
Building a Barometer
Forget your local meteorologist — build your own barometer and keep track of the weather with an activity that provides directions to build a barometer out of a narrow necked bottle, a glass, and some water. Using their barometer,...
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