Question

Describe how to make the following models with the help of objects found around you.





1. Sandclock model




2. Stethoscope model​

Answer 1

Answer:

Explanation:

sand clock materials:- two small bottles and sand. How to make:- take two bottles with their caps and make a hole in the middle of both the caps paste both the caps firmly with synthetic glue and fill half of a bottle with sand now stick the bottles with their caps and your sand clock is ready.

Stethoscope materials:- a pipe a rubber sheet or balloon and a funnel.How to make:- take the funnel and cover it with balloon now fix the pipe with that funnel now your stethoscope is ready.