Differences between the various Composite burn profiles & colors
- This is a relatively easy one to do in lab since it is already a standard lab test to look at various chemical compounds and see what colors they burn. ie, Copper burns blue/green Strontium - Red,
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The first four that come to mind are these:
1. Bring in an assortment of glow sticks. Explain what they are, a non-reversible chemical reaction that yields visible light. Then suggest they be used to provide a light source in a rocket payload for a night launch.
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2. Obtain a small bottle of titanium tetrachloride. Explain what it is then disperse a small amount. When mounted in a ram air tube in the front of a rocket and slowly released through a vent, it provides a smoke source for tracking.
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3. Disperse some very finely ground sodium chloride into a rain cloud near the saturation point. It will result in precipitation (rain) via model rocket delivery.
Ref: Trip Barber, letter, Model Rocketry magazine, Nov. 1969, page 2.
4. Make one of the classic match head rockets using a match and aluminum foil. The usually gets a laugh that such a simple device can actually work. Then explain about the match head providing hot gasses, vented through a small opening resulting in thrust.
https://www.grc.nasa.gov/www/k-12/TRC/Rockets/match_rocket.html
How much about the way rockets work do you understand?
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