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Another aneroid barometer
Stretch a piece of thin rubber in excess of the mouth of a small glass jar. Wind thread or string over the rubber to secure it and then put a ring of household cement under the edges of the rubber sheet which have been trimmed off. Cut a thin circle from the finish of a cork and glue this to the centre of the rubber. Next glue a long broom splint or soda straw to the cork. Cut a little wooden triangle from a match stem and glue to the edge of the bottle so that the splint or soda straw rests on it.
3 human adaptations to help differential survivability, and three re differential fecundity
Cement and concrete Secure a small bag of Portland cement. Have the pupils mix it with water and put it in tin can covers, paper cups, or small pasteboard boxes unless it harde
Explain Mucous membranes - External Defence Mechanism Mucous membranes: The digestive, urinary, genital and respiratory tracts open out at one or both ends. They do not have a
What is First Aid? First-aid is the immediate and temporary care given to the victim of an accident or sudden illness. Its purpose is to (1) help preserve life, (2) preve
true or false? water conservation efforts have been wholly inaffective
Demonstrating an eclipse of the moon Use a flash light or a lighted candle in a darkened room to show the sun. Hold an 8 cm rubber ball in one hand to show the earth. Hold a 2-
MMSE To assess Mr. X's orientation, language skills, constructional ability, memory, calculation ability, and reasoning, he was administered the Mini-Mental State Examination -
how to prevent skin problems?
Moisture evaporates from soil Fill a flower pot with moist soil and place it on a pair of scales. Either balances the pot of soil with weights or observe its weight. Observe it
factors which decide the broad area of Scientific activity
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