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Perhaps the greatest single factor in stimulating students into seeking science careers is the enthusiastic and well informed high-school science teacher . ( R . L . Weber , Physics Today , March 1956 ) The teacher situation is particularly serious in physics because a large number of physics teachers did not obtain a B . Sc . degree in physics at a university or a diploma in a teacher training college . This group includes 30 per cent of all the physics teachers with ten years' experience or more ; their knowledge might well be out dated . It also includes 70 per cent of all the physics teachers with less than ten years' experience . The teacher problem in physics becomes especially critical by the time the pupils reach the 9 th grade ( age fifteen ) . Forty per cent of all the 9 th grade physics teachers have had no formal education in physics . Their field is mostly mathematics or biology . This is reflected in the diminishing number of pupils who take physics in the highest sch...
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