Wintry Science

Wintry Science

Feb 27, 2014 | No Comments

Tweet Wintry Science Here’s a seasonally related temperature experiment exploring what happens when we freeze oil & water You will need: a clear plastic container, water, cooking oil food colouring (optional), use of a freezer.   Instructions 1. Pour some water into the clear plastic container. You can add some blue or green food colouring [...]

Diving Ketchup!

Diving Ketchup!

Jan 28, 2014 | No Comments

Tweet There are many variations on this effect – we’ve covered the concept before. However this has to be the simplest to do with the best explanation. Place a ketchup packet in a bottle of water and make it rise and fall at your command, as if by magic. Of course, the magic involves some [...]

Rainbow in a Jar

Rainbow in a Jar

Dec 3, 2013 | No Comments

Tweet Another one that could hardly be simpler, but is also very good science and in this particular version makes a display of wonderful colours. You will need: Blue washing up liquid Corn Syrup Blue and Red food colouring Olive Oil Rubbing Alcohol (Isopropyl Alcohol – available from the chemist) Plus… a spoon measuring cup [...]

Antibubbles!

Antibubbles!

Aug 15, 2013 | No Comments

Tweet Antibubbles are globules of liquid that are surrounded by a thin film of gas. They are a common occurrence, but you may not have noticed them. You will need: Soap Water Sugar Drinking glass Drinking straw.   There are a couple of ways you can make and observe antibubbles yourself. One method is to [...]

Cool Hand Fluke?

Cool Hand Fluke?

Jun 25, 2013 | No Comments

Tweet …or How You Can Be Tricked By Your Own Nervous System You will need: 3 bowls the same size, big enough to fit your hand in with your hand spread out. hot water, but not scalding cold water (iced if ice is available) lukewarm water   Instructions Fill the 3 bowls each a different [...]

Make a Water Reservoir

Make a Water Reservoir

Jun 14, 2013 | No Comments

Tweet Explore the concept of groundwater. You can find out what it is by making your own with this project. We used the bottom of a terrarium, but any clear plastic container will work well. You Will Need: Large clear plastic container Pebbles, Sand, Soil Dead leaves or dry grass Water spray bottle   Instructions: [...]

Watery Wonders

Watery Wonders

Jun 12, 2013 | No Comments

Tweet A couple of exciting experiments where scientific principles lead to magical results. They are simple, fun, and teach your children all about the wonders of liquids. 1. Water Lasso You will need: a bowl water string washing up liquid a matchstick or dowel   Instructions Fill a bowl with water. Knot a piece of [...]

Sweetography

Sweetography

May 16, 2013 | No Comments

Tweet We’ve un-mixed colours before using chromotography – but this time we are using sweets to discover the extra colours! You will need: Smarties, M&M’s or Skittles (1 of each colour) Coffee filters Atall glass Water Table salt A pencil Scissors A ruler 6 toothpicks Aluminum foil An empty 2 litre bottle with cap   [...]

Float Your Boat!

Float Your Boat!

May 2, 2013 | No Comments

Tweet Can you make modelling clay float like a boat? This is a simple, easily arranged activity which children can do themselves from beginning to end. Yet it helps to explain a vital and very interesting principle: why boats float. You will need Modelling clay (Plasticene or Playdough can be tried as an alternative) Sink [...]

The Impossible Floating Marble

The Impossible Floating Marble

Mar 14, 2013 | No Comments

Tweet See if your kids can work out how a marble looks to be rising through the water with this cool science project experiment. The floating marble experiment is easy to do and all you need are things you already have in the classroom or kitchen! You will need Marble, Glass, Water, BluTack, Plastic bowl (non-see through) [...]