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Across
| 4 | | Heat travels from a _______
material to a colder one. (6) |
| 5 | | Plastic, cork, wood and fabrics
are good ______ insulators. (7) |
| 8 | | Bendy (8) |
| 10 | | Name for a material which does
carry electricity. (9) |
| 11 | | Man-made materials. (9) |
| 13 | | Materials which are not man-made. (7) |
| 14 | | A material used to insulate flex
(wire). (7) |
| 15 | | Stiff (5) |
Down
| 1 | | Does not allow light to pass
through. (6) |
| 2 | | Allows some light to pass through. (11) |
| 3 | | Allows light to pass through. (11) |
| 6 | | A material which can stretch. (7) |
| 7 | | Soaks up liquids. (9) |
| 9 | | Name for a material which does not
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carry electricity. (9)
| 10 | | A metal used to conduct
electricity. (6) |
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| 12 | | Thermal insulators are good for
keeping ______ out as well as in. (4) |
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