Middle Grades Science GACE {Practice} Exam Questions And Answers (Updated And Verified)

Middle Grades Science GACE {Practice} Exam Questions And Answers (Updated And Verified) Which of the following is the number of neutrons in 23/11 Na+? - answer12 Which of the following is a by-product of the fission process in a nuclear power plant and is of serious environmental concern? - answerRadioactive waste The pitch perceived by a musician listening to a sound is analogous to which of the following wave properties? - answerFrequency The loud chirping noises made by crickets serve as the primary means by which crickets - answerAttract mates Which of the following subatomic particles has a negative charge? - answerElectron Which of the following most accurately describes the direction in which all rivers flow? - answerFrom higher elevations to lower elevations In a molecule of DNA, which nitrogenous base forms hydrogen bonds with cytosine? - answerGuanine Which of the following is a balanced chemical equation? - answerCl2 + 2 NaBr --> Br2 + 2 NaCl When heat radiated from Earth's surface gets absorbed and trapped by gases in Earth's atmosphere and cannot escape back into space, the process is referred to as - answerThe greenhouse effect A block moves to the right on a frictionless horizontal surface at a constant speed V, as shown above. The block collides with a second block, which is at rest but free to move. The two blocks stick together upon colliding. If no external horizontal forces act on the blocks, then after the collision the two blocks will move to the right with - answerA constant speed less than V Which of the following diseases is caused by bacteria? - answerTuberculosis In cold weather, it is more difficult to make people comfortable in a room with a high ceiling than in a room with a low ceiling primarily because - answerCold air is more dense than warm air