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Connect with a STEM Expert
COSI's videoconference programs deliver science in real time.
 Connect electronically with experts in science, technology, and mathematics for a 1-hour interactive presentation about their field of study.
Forensic Computing, Genomics & Biotechnology, and Mathematics for Logistics Management are just a few of the topics available this fall.
Learn more. |
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Add a Workshop to Your COSI Field Trip
New Workshops Focus on Science OAT & OGT
Focus your students on the science Ohio Achievement Test or the Ohio Graduation Test with COSI's new field trip workshops for students. All workshops align to Ohio Academic Content Standards. Workshops are 45 minutes and accommodate up to 40 students at a time. For grades 1-12. Learn more.
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Girls Explore...Engineering!
A day-long engineering program at COSI just for girls in
Grades 6-8. October 27, 8:30am - 3:15pm.
 Do you know middle school girls who like science, math, and solving problems? COSI hosts Girls Explore... to introduce girls to exciting career fields. Girls meet women engineers, participate in experiments, and discover that engineering can be an exciting and rewarding career!
Registration now open! |
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| Classroom Activity for Grades K-3 |
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Marble Challenge
Does the beginning of the school year make you feel like your world is spinning? Try this fun activity with your students and discover the science of spinning.
Materials
Paper cup, small marble, ballpoint pen, desktop, goggles (sometimes science flies!)
Instructions
1. Carefully remove the bottom of the cup. Use the ballpoint pen to score around the edge and to punch holes. Smooth the bottom edge on the inside of the cup.
2. Using the modified cup, a marble and a flat surface, brainstorm ways to pick up or lift the marble. No hands touching the marble allowed! Remember, a good scientific experiment can be duplicated by others. Can others in your group duplicate your successful trials?
3. What happens if the marble reaches the top of the cup? What happens when the cup is upside down?
What’s Going On?
Moving the cup back and forth provides the force that causes the marble to circle inside the cup. The faster you move the cup, the faster the marble travels. The marble tries to move in a straight line, however the inside of the cup pushes on the marble, forcing it to move in a circle. This force is called centripetal force.
As the marble pushes outward against the cup, it rolls up the sloped side of the cup because moving from a smaller to a larger circumference provides less resistance. A hint to moving the marble up the cup’s inside surface is that you need to move the cup back and forth at a speed that adds to the marble’s speed. This is called resonance.
Relevant Ohio Science Content Standards
Physical Science: K.4, K.5, 1.6, 3.3, 3.4
Additional Resources
Surfing the Net with Kids | Teachers' Domain |
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