Which is a reasonable estimate for the weight of a pear?

Which is a better estimate for the weight of a cup of milk?

Which is a reasonable estimate for the weight of a computer mouse?

Which is a better estimate for the weight of a book?

Which is a reasonable estimate for the weight of a small soft toy?

Which is a reasonable estimate for the weight of a table clock?

Which is a reasonable estimate for the weight of a car key?

Which is a better estimate for the weight of a hamster?

Which is a better estimate for the weight of a calculator?

Which is a reasonable estimate for the weight of a lime?