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Product 12697

By: Bob Becker, Kirkwood H.S., Kirkwood, MO

The Underwater Fireworks Thermodynamics Chemistry Demonstration Kit is an exciting demonstration sure to spark interest In the lab. Colliding bubbles of gas produce underwater explosions illustrating activation energy, combustion and more.

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Every day can be the 4th of July with this exciting demonstration. Colliding bubbles of gas produce underwater explosions. This demonstration shows how chlorine and acetylene gas can spontaneously react at room temperature. Safely conducted under water, this demonstration will spark student interest and allow you to discuss many chemical concepts. A one- or two-liter graduated cylinder and some glass tubing will be required. Teacher Demonstration Notes included.

Concepts: Gases, activation energy, combustion, electron affinity, hydrocarbons, halogens.
Time Required: 15 minutes
Note: Perform this demonstration in a fume hood or well-ventilated lab.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Constructing explanations and designing solutions
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Cause and effect
Systems and system models
Energy and matter

Performance Expectations

MS-PS1-1. Develop models to describe the atomic composition of simple molecules and extended structures.
MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS1-4. Develop a model that predicts and describes changes in particle motion, temperature, and state of a pure substance when thermal energy is added or removed.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
HS-PS1-4. Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.