2011—2012学年九年级物理上学期期中测试试卷 人教新课标版（2011 - 2012 school year, grade nine, physics, midterm, test papers, people teach new curriculum version）.docVIP

2011—2012学年九年级物理上学期期中测试试卷 人教新课标版（2011 - 2012 school year, grade nine, physics, midterm, test papers, people teach new curriculum version） Physics grade nine midterm test paper for grade 2011-2012 Grade class name subject One Two Three Four The total score Score A single choice (3 points per day, a total of 24 points) 1. In the following objects, the mass of 0.05kg may be () A. an elephant, B., an apple, a C., a TV set, D., an ant 2. When an astronaut collects a piece of ore from the moon and brings it back to earth, the ore must remain unchanged A. position, B. gravity, C. temperature, D. mass 3, tray, scales, beams, there are rulers and tour yards, measuring the quality of objects, moving to the right, the role of the tour code is A. is equivalent to adjusting the balance nut to the left. B. can instead of a pointer to indicate balance C. is equivalent to adding small weights to the right disk, D. to move the code, so that the pointer refers to the middle of the dial 4, a bottle of edible oil used half, then the remaining half bottle of oil () A. density becomes the original half, B. quality becomes the original half, C. quality unchanged, D. quality and density have become the original half 5. In the following cases, it is the avoidance of inertia that causes harm A. slapped the newly drying quilt and the dust fell off B. hammer loose, the hammer impact on the ground a few, it is tightly sleeved on the hammer hammer handle C. cars should keep a certain distance when traveling D. in the long jump, the run-up enables the player to jump further 6, passengers sitting in the ship in the upstream that he is, still, the selection of reference (is) A. trees on the banks of the river B. the oncoming ship C. the flowing river D. the ships Cabin 7, in the following measures, in order to reduce friction is A, with B. on the sole, add lubricating oil to the bicycle bearings After C., the car up the mountain, the wheels are wound on the antiskid chains D. in belt transmission m