Review of rigid and soft objects in science for grade 4.
Understand the Problem
The question is asking for a review or summary of rigid and soft objects, likely in the context of a science curriculum for 4th grade. This would involve defining each type of object and possibly providing examples.
Answer
Rigid objects keep their shape when force is applied; soft objects deform.
Rigid objects maintain their shape when force is applied, like metals. Soft objects deform when force is applied such as cushions.
Answer for screen readers
Rigid objects maintain their shape when force is applied, like metals. Soft objects deform when force is applied such as cushions.
More Information
Examples of rigid objects are metal and ceramics. Examples of soft objects are teddy bears and cushions.
Tips
Students may confuse flexible objects with soft objects. Flexible objects can bend without breaking, but still return to their original shape. An example is a plastic ruler.
Sources
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