Activity 1.1 // Observing and classifying Collect different types of fruits such as oranges, bananas, grapes, lemons, apples, papayas, walnut, chestnut, coconut, gooseberry, etc. Observe their colour, shape, size, smell, taste, and hardness using your senses. Your eyes can find colour, shape and size, nose detects smell, hand (skin) detects hardness and tongue determines taste. Classify fruits: Put the similar fruits in one place and separate different fruits in different places. Fruits with similar shape Fruits with similar taste Fruits with similar hardness Fruits with similar colour Now conclude your finding based on the above observation. e. g. 1.Fruits do not have the same taste. They can be sweet, sour, or even tasteless. 2. 3.​

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An  atom  (ours, not carroll's) consists of a positively charged  nucleus, surrounded by one or more negatively charged particles called  electrons. the positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen. although the nucleus is heavy, it is quite small compared with the overall size of an atom. the radius of a typical atom is around 0.1 to 0.25 nanometres (nm), whereas the radius of a nucleus is about 10-6  nm.  *  if an atom were enlarged to the size of the earth, its nucleus would be only 200 feet in diameter and could easily rest inside a small football stadium.read more on -