What is it? ... These are teabags! Material processes - Separating mixtures - Separation by filtration A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.
What is it? ... These are teabags! Material processes - Separating mixtures - Separation by filtration A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.