Question

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

1. Sandclock model .

2. Stethoscope model.​

Answer 1

Pour the salt or sand into one of the jars. Cut a circular piece of paper that is big enough to fit over the opening of the jar. Punch a hole in the middle of the piece of paper and put the paper over the jar. Place the second jar upside down on top of the first jar so that the openings are lined up with each other.

Answer 2

Answer:

sandclock model

Explanation:

Pour the salt or sand into one of the jars . Cut a circular piece of paper that is big enough to fit over the opening of the jar . Punch a hole in the middle of the piece of jars