CD’s and DVD’s

CD's and DVD's

Before you throw out any unwanted CD’s, DVD’s or video games, get creative with the disks with this quick, easy STEM spinners activity!

1
Decorate your disk with permanent markers.
2
CHALLENGE: Can you create a symmetrical pattern?

3
Add a pen through the middle, securing with blu-tac.
4
And watch it spin!

SCIENCE: Explore the forces acting on your spinner. What effect does friction have on your spinner when you test it on different surfaces?

TECHNOLOGY: As your spinner moves it creates a kind of optical illusion. Research optical illusions and find out how they are used in design and technology.

ENGINEERING: Now adapt your design to see if you an improve it. Explore other materials that could be used for the spinner or the spinning top.

MATHEMATICS: Can you create a symmetrical design?

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