-
Study the flow of materials through living membranes such as an egg
Read moreIt is important that the membranes around living cells are 'semi-permeable' to allow it to absorb nutrients and dispose of waste products. In this science experiment we will study the inward and outward flow of materials through the 'semi-permeable'...
-
Build a model of an animal cell
Read more'Cells' are the basic building blocks of an animal's body. These cellular building blocks are so tiny you would need about 10 000 just to cover a pinhead. There are a huge amount of different kinds of cells in...
-
Test your friends ability to judge the direction of sounds
Read moreHumans have 'stereoscopic vision', meaning that we can judge the direction and distance of an object because each of our eyes sees from a slightly different angle, resulting in a perception of depth. Similarly, because our ears are positioned...
-
See how much air can your lungs hold
Read moreAn adult's lungs can hold about 5 litres of air when fully breathing in – How much air do you think your lungs can hold? With the following science experiment you can find out!
-
Study the social organization of ants by making an ant farm
Read moreWhen we think about ants, we usually think about how troublesome they are. Ants are actually very interesting and they have a highly organized social structure and way of life. Ants are very social insects. They live in colonies...
-
Test if ordinary household items can be used as food preservatives
Read morePreservatives can be artificial chemicals developed by scientists, but many natural preservatives can also be found in your kitchen as can be seen in the following science experiment.
-
Study how the amount of leaves affects the growth of a plant
Read moreGreen plants absorb the light and use it to break down 'chlorophyll' during 'photosynthesis' and this chemical reaction leads to the production of energy. Plants uses mainly their leaves for photosynthesis, and if a plant loses too many leaves,...
-
Study how plants are affected by temperature and environment
Read more'Transpiration' is a process by which plants take back water to the atmosphere. After absorbing and retaining water from the ground through their roots, plants then release water through structures in their leaves, called 'stomata' to the atmosphere.
-
Test the damaging effects of phosphate on freshwater plant life
Read morePollution from various chemical sources such as laundry and other detergents, is released into the soil of the earth on a daily basis. Many of these detergents are phosphate-based and can be very damaging to freshwater, plant and animal...
-
Make a fountain by separating colours with the rise of hot water
Read moreIn this experiment we will create a dramatic coloured fountain by using two jars of water, one with hot water and one with cold water. The hot water in the bottom jar wants to rise to be above the...