小学自然常识的实验活动可操作性强,且具有丰富的直观性,符合小学生的心理特点,因此,很受小学生喜欢。然而,实验是一项探究性很强的学习活动,只凭简单的兴趣是不够的,它只能使学生的参与程度滞留在一种很肤浅的状态下,这种状态下的学习活动,经受不起波折,接受不了挑战。为此,实验教学中,教师必须实施有效的教学策略,切实提高学生的参与度。 一、激发参与意愿 激发学生的参与意愿,是指挑起学生探求问题化解矛盾的认知愿望,使之成为一种发自内心的驱动力,形 成强烈的心理态势,促使 Experimental activities of primary natural general knowledge of maneuverability, and has a wealth of intuitive, in line with the psychological characteristics of primary school students, therefore, very popular with primary school students. However, the experiment is a highly exploratory learning activity. It is not enough simply to have interest. It can only make the students' participation in a very superficial state. The learning activities in this state are experiencing Can not afford the twists and turns, can not accept the challenge. Therefore, in experimental teaching, teachers must implement effective teaching strategies and effectively improve student participation. First, to stimulate the willingness to participate Incentive to motivate students is to provoke students to explore the problem of solving the cognitive desire to resolve conflicts, making it a heart-driving force, the formation of a strong psychological situation, prompting