Teks
科学4.2（b）
通过观察和测量，使用度量系统以及使用描述性词和数字（例如标记的图纸，写作和概念图）来收集和记录数据；
27teaching resources for those 'aha' moments
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teaching resource
科学实验 - 物质状态
A science experiment that investigates how a substance's state of matter can be changed.
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teaching resource
科学Experiment - Cover to Conserve
A science experiment that investigates if evaporation can be reduced by covering a body of water.
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teaching resource
电力实验
An experiment to investigate if electricity moves better through different gage wires.
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teaching resource
Earthquakes - Shake, Rattle, and Fall Experiment
A hands-on experiment to be conducted by students when investigating earthquakes.
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lesson plan
Force and Speed - The Relationship Between Force and the Resulting Speed of an Object
一个60分钟的课程，旨在研究力与对象的产生速度之间的关系。
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lesson plan
有太多的摩擦 - 科学调查
A 60-minute lesson in which the students investigate how moving objects in different ways affects the strength of friction force.
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lesson plan
Throwing, Dropping, Bouncing, Rolling - Science Investigation
A 60-minute lesson in which the students investigate the forces involved in throwing, dropping, bouncing, and rolling, and how they affect an object.
