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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Water Tension Holes
Oct10

Water Tension Holes

This is a very simple experiment looking at water tension! What you will need: A big bowl of water Some ground pepper (black so you can see it) or any other ground product with colour Some washing up liquid   Method: Let the water go still and sprinkle you ground pepper over the top In the middle of the bowl drip some washing up liquid and watch the effect! You should see a ‘hole’ starting to appear in the centre and...

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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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