Which is the heaviest??
Jan12

Which is the heaviest??

Today’s investigation is very simple and perfect for pre schoolers. We are looking at comparing the weight of different items. I asked my children to look around the house for small things of different weights. They came back with a lego man, some sugar and some coins.     We found some eggs from a game and put different items in each. I sealed up the eggs and asked the children to feel how heavy they were.  ...

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Making a catapult – looking at elasticity
Jan09

Making a catapult – looking at elasticity

Elasticity is the ability of a solid to return to its original shape after being subjected to strain. Most solid materials demonstrate elasticity, up to a point called the elastic limit. When the load is higher than the elastic limit damage to the material occurs. To demonstrate elasticity you can make a catapult.     What you need: Lollypop sticks or pencils Lots of elastic bands A small bottle top Make a Catapult This is not an...

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Plastic Milk!
Nov21

Plastic Milk!

‘Little Miss Muffet Sat on her Tuffet Eating her Curds and Whey” But what are curds? This experiment lets us milk turn into into a solid and make plastic milk so we shall find out! To make plastic milk you will need: •skimmed milk •white vinegar •microwave proof bowl •strainer/sieve   Method: 1. Add 4 teaspoons of white vinegar to one and half cups of skimmed milk. 2.Microwave the mixture for about a minute/ or heat...

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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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Sinking and Floating
Jun30

Sinking and Floating

Its a simple one this week, we are looking at sinking and floating. My children love playing with water so had a great time testing things today. What you need: a large bowl of water Objects to test (anything you like, but good to pick some solid and some hollow) Instructions Fill the bowl or container about 2/3 full of water.  Gently place the objects on the water, some objects will float when you place them on the water gently, but...

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