[ 397 ] Physical Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Which of the following is NOT true? A. Atoms can be destroyed in chemical reactions. B. Matter is composed of atoms. C. All atoms of any given element are identical. D. Atoms of different elements have different properties. Which of the following statements best describes why a ball eventually slows down after you kick it? A. An object at rest tends to stay at rest unless a force acts on it. B. An object in motion tends to stay in motion unless a force acts on it. C. The amount of momentum an object has depends on its mass and velocity. D. The strength of the gravitational force depends on the mass of the object. Acceleration that is negative is called __________________.