Here are the responses based on the context of each scenario:
Question 1: Your socks are worn out, so you go to the store to buy new ones.
Response: need
Question 2: Your basketball is worn out so you go to the sporting goods store to buy a new one.
Response: want
Question 3: You buy paper and markers so you can make your grandmother a special card for Mother's Day.
Response: want
Question 4: You go to the store and buy eggs, butter, milk, and a loaf of bread.
Response: need
Question 5: Your mother takes your sister to the eye doctor and buys her a pair of glasses.
Response: need
Question 6: Your family has a brand new swimming pool put in the backyard.
Response: want
Feel free to adjust the responses based on your interpretation of needs vs. wants!