Free Elementary Science Fair Projects (3rd - 5th Grade) : Think Fast
Measure the reaction time of various people.

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Available at SCHOODOODLE.COM
Packed with practical ideas, creative resources and websites, judging guidelines, planning guide, and project timetables, this book reduces stress and...
30 self-adhesive reward ribbons per pack, each 1.75in. x 4.25in.
36 Certificates and Awards, beautiful, authentic designs printed in full color on high quality paper.
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