Shrinking Eggs!
Aug29

Shrinking Eggs!

Welcome to a very eggy week on Science Sparks! Shrinking eggs is the first of 3 egg based experiments, so if you like this one, pop back later in the week to see what else we have been up to! This experiment looks at osmosis. Osmosis is when water moves from a less concentrated solution to a more concentrated solution, through a semi permeable membrane.  Water flows from one side of a membrane to the other until the concentration of...

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Making Slime or Goo ( oobleck )
Aug15

Making Slime or Goo ( oobleck )

This is a nice and simple experiment, but oobleck is  quite messy, so I’d recommend doing it outside.  What you need A big bowl cornflour water food colouring (optional ) What to do Fill a cup with cornflour and add to the bowl Add water very slowly mixing with your hands all the time, until you get a sticky, slimy goo. If you want to make it coloured add some food colouring, be careful this can stain skin and clothes. Play with...

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Grow an Avocado Tree
Aug08

Grow an Avocado Tree

This week we are making an Avocado Pit. It’s going to take a few weeks so bear with us! My 4 year old thought he could plant a stick and it would turn into a tree if he watered it, so I thought this would introduce him to the concept of a root. Cut the avocado carefully, trying not to injure the stone ( pit ) Wash the pit, to remove the flesh, but do not remove the brown outer covering, this is the seed cover. Stick 4 toothpicks...

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