Rock pool two minute watch

What you need

• Sturdy shoes and an adult
• A clear pot or jar
• A notebook
• A tide time check before you go

How to do it

1. 1

   Check the tide times and go as the tide is going out.

2. 2

   Pick a pool with weed and overhangs, and kneel quietly beside it.

3. 3

   Watch for two full minutes before touching anything.

4. 4

   List or draw everything you saw move, then gently look under one stone and put it back exactly.

5. 5

   Leave every creature in its pool and note the time so you can compare next visit.

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• Shadow drawing three times a day

  Draw round a shadow in the morning, at noon and in the afternoon, then work out what moved.