Materials may be natural or man-made. They may exist as solids, liquids and gases, and as a mixture of states.
The problem: Flooded farmland in Bangladesh caused by increased rainfall.
Curriculum-linked science teaching resources based on the work of scientists connected with the Royal Society, allowing teachers and students.
Lots of free science related content including video demonstrations and worksheets, product instructions, workbooks, guides, reports, suggested experi
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