1.   Children can use the magnet to perform many simple experiments.

2.   Experiments with water Older preschoolers will enjoy these simple experiments, which will need your supervision and explanation.

3.   If this sounds cynical, it is not difficult to set up a simple experiment.

4.   It sounds like a simple experiment, but it required a great deal of effort.

5.   Teachers are shown how to carry out many simple experiments.

6.   What initially sounded like a simple experiment in fact required a great deal of effort.

7.   A simple experiment will help us a little further.

8.   Tie a heavy weight at the end of a long piece of string.

9.   They did the simple experiment and of course found that he was not!