Seeds that are used as spices in your home.
Seeds of vegetables.
Seeds of fruits.
Light seeds (check by blowing them).
Seeds which are flat.
Make more groups. How many groups of seeds did you make?
Do you know any games that you can play with seeds?
Discuss with your friends.
Disclaimer: The purpose of this question is to make the students participate in day-to-day activities, based upon which they can make logical deductions. Considering the sustenance of this process of participation the answer to this question has not been provided.