To find out about the requirements for the cub badges please visit here
If you did not make a periscope then the instructions are here You need to bring your completed periscope to cubs
Cress
1 - Put a piece of damp cotton wool in the bottom of each of the containers and sprinkle the seeds onto the cotton wool. Press the seeds down gently
2 - Cover the pots with cling film, or put in a plastic bag and put in a warm place - a windowsill is ideal
3 - Check every day and make sure the cotton wool does not dry out, add a little water if you think it is getting dry
4 - Once you see small shoots, take the clingfilm or plastic bag off and leave the containers in a warm and sunny place for a week. Keep checking to make sure the cotton wool does not dry out
5 - After one week, stop watering one container. Put another one in a dark place (inside a cupboard or a box). Leave the third container on the windowsill and water it enough to keep the cotton wool damp
6- After the second week, compare the cress in the containers and see what has happened to it
Click here for the weather chart part of the Scientist Badge