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Customer Quotes

“Great products...one of the best curriculum's out there, great help for teaching our video class" -Christine R., Principal, Trinity Lutheran School, Kalispell, MT

"Screenwriting was awesome, our kids really loved these activities. It was also really nice to provide such a creative curriculum that addresses the standards in such a fun way." - Heather S., Director, After School, City of Fairfield, CA

“Having taught at the high school and college level, I was impressed with this curriculum. The materials and guidance were well put together and very thoughtful." - Michael L., Artist, Shea After School, Syracuse, NY

“This amazing program has enabled my students to comprehend the process of forensic science as well as the sophisticated vocabulary encompassed in the program's lessons.” - Erica T., Freehold Public Schools, Freehold, NJ

“This is a well organized course that I would highly recommend to other programs.” - Chad S., Teacher, School #18, Buffalo, NY

“The program is awesome! I’m doing it as part of an after school enrichment time. Our kids really enjoy the projects and it’s wonderful to use as everything is provided.” - Karen S.,Teacher, Olympic Middle School, WA

“This is the perfect kind of activity for afterschool. It’s fun; students learn by getting involved. Everybody wants to be a part of it!” - Kim L., Program Leader, Child and Adolescent Treatment Services, Buffalo NY

“They love it…it’s awesome. Kids are dying to get in it!” - Audrey A., Teacher, Clifford Marshall Elementary School, Quincy, MA

“The Missing Money Mystery was very easy to follow. The children had such a great time at it, we even allowed our group to re-enact the entire mystery. This mystery was fantastic, and we are looking forward to our next exercise!” - Jackie. J., Director/Detective, Hempstead P.A.L., Hempstead, NY

“The students were engaged and enjoyed the experiments. The story keeps the activities meaningful and provided an interested way to connect Florida Standards. The teacher’s manual was easy to follow and materials in the kits made it very convenient for set up. Overall, this is a great thing to do in afterschool and during the summer!” - Betty C., Teacher, Genesis Center, Leesburg FL

“Playing with Percussion offers an exciting doorway to exploring percussion, communication skills and learning about different cultures." - Sheila K., Site Leader, Accord Corp, Youth Services Division, Belfast NY

"Our kids enjoyed making their own instruments, especially sanding. Playing all those grooves at the end was a lot of fun!" - Nina P., Music teacher, Napa, CA

“The Cookie Jar Mystery was such a big hit at the middle school…which has been tough.”
-Charlie E., Teacher, Lexington County Schools, SC

"The Cookie Jar Mystery went really well, the kids talked about it for weeks.  They were very excited and intrigued with the hands-on activities and I really enjoyed teaching it!"
-Brook T.,Teacher, Lincoln Middle Schools, TN

Properties of Toothpaste - Grades 6-9


Price:
$89.00
SKU:
CLIS-721
Shipping:
Calculated at checkout

Product Description

The history of teeth cleaning agents actually goes back thousands of years. Toothpaste as we know it today however is a comparatively recent development. In this activity, students will investigate several properties of toothpaste samples, provided in the kit, including presence of fluoride, pH, abrasiveness, and foaming ability. As a second activity, students will use the included materials to create their own toothpaste.  Kit contains enough materials for fifteen groups. Teacher’s Manual and Student Study Guide copymasters are included.
 

Kit Includes:

 
1 x 30 ml Hydrochloric Acid UN1789 1 Pkg/50  Universal Indicator Strips
1 x 100 ml Glycerin 1 Pkg/50  Fluoride Test Strips
1 x 25 g Sodium Lauryl Sulfate UN1325 1 Pkg/15 Acetate Sheets
1 x 25 g Gum, Arabic 45 Polystyrene Test Tubes
1 x 150 g Calcium Carbonate 45  Graduated Plastic Pipettes
3 tubes  Toothpaste  
   

Materials Needed but not Supplied:

 
Distilled Water Optional: Flavoring Extracts
Metric Rulers Optional: Lab Oven or Heat Lamp
Test Tube Racks Optional: Toothbrushes
Electronic Balance White, unglazed, porcelain bathroom tiles
Beakers or Plastic Cups Staining Materials
Optional: Additional Toothpaste Samples Safety Goggles
Optional: Food Coloring Gloves
Optional: Natural or Artificial Sweeteners Aprons