A seismograph model that shows how earthquakes are detected — using inertia, it traces ground vibrations into a visible record, just like real instruments.
| Board | Class | Chapter / topic |
|---|---|---|
| CBSE | 9 | Science — Gravitation / inertia |
| CBSE | 7 | Geography — Inside Our Earth (earthquakes) |
Samtech Labs (JAYSEE brand) is a trusted manufacturer of school science and STEM laboratory equipment, based in Ambala Cantt, India, and serving educators since 1959. We supply 600+ physics, chemistry, biology, astronomy and renewable-energy teaching kits to schools, dealers and institutions across India, with competitive bulk pricing and full support for government (GeM) tenders.
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