it depends on the size
Unless any of them are abnormally large, it should be common sense. But you could find a scale and weigh them.
A pencil, a flea and an atom.
Three objects greater than one kilogram are a pencil, a sheet of paper, and a paperclip.
less
A feather, a smartphone, and a pencil each weigh less than a kilogram.
A feather, a smartphone, a notebook, and a pencil each weigh less than a kilogram.
To check if a pencil has a mass of less than 1 kilogram, you would weigh the pencil using a scale that measures in kilograms. If the scale reads less than 1 kilogram, then the pencil's mass is less than 1 kilogram.
Yes, a kilogram can be used to weigh a kitten. A kitten typically weighs much less than a kilogram, so the kitten's weight would be less than 1 kilogram.
A feather, a small apple, and a tennis ball typically have masses less than one kilogram.
An egg weighs less than 1 kilogram - or an apple.
it depends on the size
It depends on what size it is.
646 grams weigh less than 1 kilogram. 1 kilogram is equal to 1000 grams.
Unless any of them are abnormally large, it should be common sense. But you could find a scale and weigh them.
It depends on the specific style and size of the woolen overcoat. Generally, woolen overcoats can weigh more than one kilogram due to the dense fabric and structure. However, some lighter-weight wool overcoats may weigh less than a kilogram.
A kilogram of mercury and a kilogram of water both weigh the same - 1 kilogram. However, mercury is more dense than water, so a kilogram of mercury takes up less space than a kilogram of water. This can give the impression that the kilogram of mercury is heavier, but in reality, they have the same weight.