Picat Practice Test | 100% Correct Answers | Verified | Latest 2024 Version

Which of these reduce friction? A. Car breaks B. Tire thread C. Ball bearings D. Sandpaper - Ball bearings If you place bean seed between moist paper towels and watch the stem and leaves appear, you will see a demonstration of A. Transpiration B. Germination C. Fertilization D. Pollination - Germination Any astronomical body that revolves around a large body is called - A satellite In chemistry, to be classified as an organic substance, a substance must contain - Carbon atoms Which element does Not contain any neutrons - Hydrogen What is the symbol for the hydroxyl ion - OHperpetual motion machine can never be built because it is not possible to eliminate - elasticity The chemical formula of a compound describes the elements the compound contains and the - the ratio of elements in a compoundWhen scientist measure liquids resistance to flow, they are measuring the liquids - viscosity The tympanic membrane's are also known as the - Ear drums When sodium atoms form sodium ions they: - lose electrons Chocking is prevented by then - Esophagus covering the voice box Which of the following actions produce a chemical change? A. Boiling water B. Burning the rice C. Adding salt to the water D. Melting butter on cooked rice - Burning the rice Which of the following is a nonrenewable resource A. Wood B. Water