A small oval object with a thin hard shell produced by a female bird and containing a young bird; a similar object produced by a female fish, insect, etc.
A sweet food made from a mixture of flour, eggs, butter, sugar, etc. that is baked in an oven. Made in various shapes and sizes and are often decorated, for example with cream or icing
School subject of learning knowledge about the structure and behavior of the natural and physical world, based on facts that you can prove, for example by experiments