In the third part, pondering for the teaching's theory about black box in senior teaching physics, I propose educational value of black-box in the middle school physics teaching.
第三部分为黑箱在中学物理教学中应用的理论思考，通过对黑箱特点的分析，阐述黑箱在中学物理教学中的教育价值和应用的原则。
To demonstrate gas laws at physics teaching in senior middle schools. Used for proving Boyle-Mariotte's law, Charles's law, Gay-lussca's law and equation for gases.
中学高中物理演示气体定律作用。可验证玻意耳一马略特定律、查理定律、盖吕隆克定律和理想气体状态方程。
The momentum and the theorem of momentum is one of key in the physics teaching of senior middle school.
动量与动量定理是高中物理教学的重点之一。
The momentum and the theorem of momentum is one of key in the physics teaching of senior middle school.
动量与动量定理是高中物理教学的重点之一。
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