Picat Practice Test

Picat Practice Test 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 - OH- perpetual 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 compound When 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 C. Copper D. Biomass - Copper What do a hydrogen molecule and and an oxygen molecule have in common - the charge on each electron Arithmetic reasoning - A student bought a sandwich for 80 cents , milk for 20 cents, and pie for 30 cents. How much does the Meal cost? - 1.30 A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the raider track in the aircraft? - 50 % A certain bag of potting soil is 1/4 Peat Moss, and the rest is dirt what part is dirt ? - ******** 3/4 or 75 percent An airplane is at 32,000 feet above sea level and descends at an average rate of 1,000 feet per minute. How many minutes will it take for the airplane to land at an airport 3,000 feet above sea level? - 29 A sweater originally priced at $80 and was marked down by 25%. What was the sale price of the sweater? - $60 Terry earns a $250 salary plus 5 dollars per sell. how many sales Must terry make to earn $765 altogether? - 103 Together, two people earn 28,000. One earns 2,000 more than