Page 11 - Demo

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CHEMICAL REACTIONS, continued
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oxide produces calcium hydroxide along
Bunsen Burner, Adjustable, Natural Gas
This Bunsen burner features adjustable gas and air inlets and a heavy base to prevent tipping. A brass threaded needle valve plus a rubber O-ring provides gas regulation while preventing gas leakage. The alumi- num mixing tube with flame retainer comes equipped with adjustable vents for air regulation.
AP5344 I $25.65
• Combination: Adding water to calcium with enough heat to fry an egg!
• Decomposition: Observe a rainbow of color changes as water molecules split apart.
• Single Replacement: Aluminum dissolves and copper metal precipitates when aluminum foil is placed in a solution of copper(II) chloride.
• Double Replacement: Mixing copper(II) chloride and sodium phosphate produces a beautiful green precipitate.
• Combustion: Add a little isopropyl alcohol to a 2-L soda bottle, ignite the vapors and “whoosh”!
Enough materials are provided to perform each demonstration seven times.
AP6604 I $73.95
Micro Bunsen Burner
Miniature burner, 31⁄2" high. Provided with fine gas-control needle and adjustable air ports. Flame retainer built into the burner. For natural gas only. Accepts burner tubing with an i.d. of 5⁄16" (Catalog No. AP8285).
AP1024 I $28.35
Identifying Chemical Reactions— Multi-Demonstration Kit
Flinn Hands-On Chemical Element Set
The Flinn Hands-On Chemical Element
Set enables students to safely investigate properties of elements. Teaching character- istics of metals, nonmetals and relationships between periods and groups in the periodic table was never so easy! Complete set includes 14 samples of 11 different elements and activity ideas.
AP6876 I $40.55
A Demo A DayTM—A Year of Chemical Demonstrations
There’s no better way to start your day than by doing a chemical demonstration. A good chemical demonstration not only wakes up your students, but keeps them awake and alert for the entire class period. Each volume contains 150+ chemical demonstrations designed to be done on a daily basis by middle school teachers.
AP8852 I Volume 1 I $43.00 AP4572 I Volume 2 I $43.00
Collection of five demonstrations showcas- ing chemical reaction types:
FLINN SCIENTIFIC I CHEMICAL REACTIONS 9