Ideas and experiments for at home

Seaweed Pictures
Collect some seaweed at the beach and take it home. Let it dry in a warm and dark spot (like the hot press). When it is very dry you can lay a nice picture with it. Glue the pieces to a piece of cardboard, maybe a colored one, and put a picture frame around it. If you have a flower press, dry the weed in there or between the pages of a thick book between some newspaper (keeps the book clean). You could lay a sea monster, mermaids or a hidden forest under water. This will make a great present for birthdays, mother´s day of christmas.

Coloured Shells
Take home some shells, wash them and let them dry. Take some acrylic paint and paint them in whatever colour you like. You could glue them onto a nice box or put them into flower pots as decoration.

Colour Carl, the Crab
Colour Carl, can you remember how crabs walk?
crab

Seashore Mobile
Collect lots of shells, driftwood, feathers, mermaid´s purses and so on, take them home, wash and dry them. you will need some fishing line, one or two branches of a tree, a drill and an adult. With the adult, drill carefully little holes into the shells and the driftwood. Tie the shells, wood, feathers and so on on two or three strings of fishing line and tie the strings onto the branches. There you have a nice mobile with lots of different things on it, listen to the chimes as it moves in the wind!

Experiment: Is there really salt in the water?
Take home two glasses full of sea water. Take a piece of wooly string and make sure the ends both dangle in each glass of water. Put the whole construction on a sunny windowsill. After a few days you will see the salt crystals grow on your piece of string. Amazing isn´t it? Taste it, it´s really salt.
salznachweis

Find out: Dead Sea
Try to find out facts about the Dead Sea. Search it on the internet, try to find some pictures and why people can float on it. Why is the seal level of the Dead Sea lower than normal sea level?

Experiment: What is in the sea water?
Take home some sea water and filter it through a kitchen paper towel in a sieve. Dry the kitchen towel on a radiator or on a window sill. What is left on it?

Experiment: How much salt can be in salty water?
Take some water from the tap and put it into a glass. Weigh it on an accurate kitchen scales. Take a tablespoon of salt and stir the water until the salt is dissolved. Weigh the galss with the salt again, is there any change?. Can you add another tablespoon and dissolve all of it, or ist there a rest left on the bottom? Weigh the glass again. Why does the water take only so much salt? Because it is a saturated solution, it is full, like a sponge.
(100 ml of distilled water can hold 20 g of salt)

On the beach: Cockles
Next time you are on the beach, try to dig out a cockle. Take it home in a glass full of sea water and watch what it is doing. Is it opening? Make sure you bring it back the next day!