Page 92 - Microsoft Word - LessonPlan-Overview.doc

Unit 3: Matter Page 4

Additional Items for This next experiment is completely
Grades 9-12: optional!

Electrolysis
2 test tubes or something clear and Optional Additional for Grades
closed at one end 9-12: Advanced Crystals
2 two wires, one needs to be Sodium silicate
copper (12 inches long)
1 cup Select one (or more) of the
9 volt battery following for the Advanced Crystals
Long match or a long thin piece of Experiment (the colors indicated
wood are the colors your experiment will
Rubber bands grow…)
Masking tape Calcium Chloride (white crystals)
Salt (table salt is fine) Iron Chloride (yellow crystals)
Cobalt Chloride (red crystals)

Copper Sulfate (blue crystals)

NOTE: KEEP CHEMICALS OUT NOTE: Store these chemicals out of
OF REACH OF CHILDREN. reach of children and in a dry, cool
**STORE THE AMMONIA location. We’ll be using these for
SEPARATE FROM EVERYTHING the rest of the year in different
ELSE.** experiments. DO NOT mix these
chemicals with anything other than
what we indicate, as you can
generate lethal gases such as HCN.

BBQ Crystals
Uniodized salt (sodium chloride)
Ammonia (clear, no additives)
Laundry bluing
Charcoal briquette, sponge, brick,
cork, or porous rock
Non-metal pie plate (an old glass
pan works great)
Food (dye) coloring

© 2010 Supercharged Science www.ScienceLearningSpace.com

92