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THE RAINBOW LAB! Be your own mad scientist. Make your very own rainbow while learning the scientific method, measurement, data collection, and precision at the same time.
A great lab for small groups or as an individual scientist!
What a great way to introduce and teach both volume and precise measurement using graduated cylinders, beakers, and test tubes!
Students use red, blue, and yellow food coloring mixed with water at different concentrations to produce base concentrations of red, blue, and yellow colors. Using these primary colors, students create the secondary colors of orange, green, and purple. The final product is a set of 6 test tubes, each with the same amount of liquid in the order of a rainbow – ROYGBV.
Level A (generally college prep/honors): Completion of the actual lab with the following materials: graduated cylinders, test tubes, test tube rack, water, food coloring, glass beaker, and water dropper. Warm up questions about volume incorporating graduated cylinder practice and the definition of a meniscus. Students are given a detailed procedure insuring a low risk for error with check offs after each step. Students then complete a data table summarizing the final color and final liquid amount. The activity concludes with questions and a real-life scenario application.
This has been used on a 6th grade science day with high acclaim.
This works well for any level but is GREAT for special education students or college prep learners that need an alternative assessment and may not be great at traditional labs.
Also, perfect for homeschooling!
WIDE RANGE OF ABILITY LEVELS! The application to a diverse body of learners, whether it be age or ability level, is predicated on the fact that the instructor determines the difficulty level of the whole activity or part of the activity based on what information is given and what information is not as well as how verbal questions are presented to the student(s).
This is a thorough and DYNAMIC activity. This is an effective teaching tool one on one, in small groups, and as a class when using a Smart Board/Promethean Board/Projection.
A guaranteed hit all around!
A great addition to your science teaching library.
Within the classroom, this activity has been consistently very successful and acclaimed by students in grades 5th – 10th within multiple types of schools - public, private, and charter.
This work has also been shared at workshops, in-services, and conferences.
Great feedback from parents, teachers, and administrators.
Applicable to many state science assessments and benchmarks.
Has been applied to state mandated North Carolina end of year tests for science in grades 5 and 8.
Answer key provided.
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*Activity designed, completed, and submitted at private residence/educational resource center*
Geo Leo and Meteo Mike
“The Tar Heel Tandem”
“Southern Science Specialists”
REACH INC. THANKS YOU FOR YOUR CHARITABLE SUPPORT benefitting adults with disabilities.