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3 types of Glass Made? Break? Found?

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Presentation on theme: "3 types of Glass Made? Break? Found?"— Presentation transcript:

1 3 types of Glass Made? Break? Found?
FLOAT TEMPERED LAMINATED

2 Please draw this

3 Next, please draw this

4 What happened ? The glass bends, and the EXIT side cracks first – radially The continued motion of bullet pulls the ENTRY with it – so it cracks – concentrically 3R rule – Radial cracks, form Right angles, on Reverse (EXIT) side of force So, CRATER forms on the EXIT side

5 Now…Label your RADIAL cracks and CONCENTRIC cracks

6 Order of bullet holes

7 FINALLY…Please draw the 3 bullet holes on page 146 of the text book, and explain to your neighbor the order of the shots fired.

8 Bullets passing through all kinds of substances Metal, glass, water, ice …


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