Materials may be natural or man-made. They may exist as solids, liquids and gases, and as a mixture of states.
ABPI
The popular science shows that strip science down to its bare essentials.
Cambridge University
<p>Cut iceberg lettuce oxidises and this causes a pink discolouration of the leaf.
Chilled Education
<p>Lay the foundations for GCSE success with an engaging two-year course.</p>
Collins
<p>Diagnose knowledge gaps and intervene at KS3 to enable success at GCSE.</p>
Collins
<p>Student Books and Teacher Guides provide a clear route through this new specification.</p>
Collins
<p>The Student Books and Teacher Guides provide a clear route through this new specification.</p>
Collins
<p>Everything your students need to perform their required practical activities in one place.</p>
Collins
<p>Level-specific practice to help students prepare for their exams.</p>
Collins
A really useful overview of the versatility of copper and its alloys which signposts other resources from the Association.
Copper Development Association
Copper is a vital metal in making wind power possible because of its unique electrical, chemical and physical properties.
Copper Development Association
This resource describes some of the uses of copper throughout history.
Copper Development Association