一项科学实验，研究放入水中时，研究了不同物体的浮力。
When things float, it is because of buoyant force. The buoyant force of a liquid pushing against the force of gravity causes an object to either float or sink, depending on which force is greater.
ThisPhysical Sciences实验使学生可以研究不同物体的浮力。
Students follow the科学的方法to conduct theexperiment, then complete theworksheets假如。
Key Stage 2 (KS2) - Lower covers students in Year 3 and Year 4.
The principal focus of science teaching in lower key stage 2 is to enable pupils to broaden their scientific view of the world around them. They should do this through exploring, talking about, testing and developing ideas about everyday phenomena an...
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A science experiment which investigates the relationship between multiple forces acting on a single object in various ways.
一项科学实验，研究了滚动摩擦以及各种材料和形状的特性。
A teaching presentation introducing the students to magnetism as a non-contact force.
A worksheet for recording data about magnetic flux lines observed in a classroom demonstration.
A teaching presentation introducing the students to the non-contact force of electrostatics.
A teaching presentation introducing the students to the different types of force.
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