Today we are looking at filtering and how it can be used to clean dirty water. This activity is very simplified but gives kids a great overview of how water purification is carried out to give us ...
What causes the phases of the moon?
You've probably noticed that the moon seems to change shape over time. This is because the sun only lights up one side of the moon, the other side is dark. As the moon orbits the Earth different parts ...
Know your Greenhouse Gases
What are Greenhouse gases?Greenhouse gases are gases in the Earth's atmosphere which trap heat. An increase in greenhouse gases caused by human activity is responsible for the greenhouse effect ...
What is the Nitrogen Cycle?
Nitrogen is an essential element for living organisms as it's needed to make proteins for growth and repair and other biological functions. Nitrogen moves through the air, soil and living organisms ( ...
15 AMAZING Candy Experiments and Activities
If you asked my son what his favourite all time science experiments are, he'd probably say the bottle rocket, followed by his candy house, so today we've got some great candy experiments and ...
What is the Archimedes’ Principle?
The Archimedes' principle is a scientific law which explains why some objects sink and some objects float.Buoyancy and ArchimedesObjects float or sink depending on their buoyancy.What is ...
Water Science Experiments for Kids
I've lost count of the number of water science experiments we've done over the years. Water is pretty amazing. Did you know it is the only natural substance to exist in three physical states at ...
Why is the ocean blue
The ocean looks blue because of how it absorbs sunlight.Water absorbs the longer wavelength colours at the red end of the light spectrum and the short wavelength violet and ultraviolet light. ...
What is the Summer Solstice?
The summer solstice is the longest day of the year when the Earth's North Pole is tilted closest to the sun. There are two solstices each year. One in June and one in December. The time of the ...
How to Make a Rainbow with a Prism
Light is actually made up of a spectrum of colours each with a different frequency. One way to see the spectrum of colours is to use a prism to split the light.What is a prism?A prism is a ...
