Grade 5

The human body has over 650 muscles and makes up 40% of the body's weight. Our muscles help us to move about our surroundings and is even responsible to make us smile, frown or chew our food. In this...

Optical illusions can also often cause us to perceive objects bigger, smaller or more bent out of shape than they really are. Study the optical illusions in this science experiment to see how confusing these images can be to...

Ants are interesting creatures and they are extremely organized. Ants are very social insects and they make use of a highly developed scent-based communication system. The ants leave a trail of this scent called 'pheromones' along their paths to...

Water running down from a high area to a low area washes away the fine soil particles exposed on the surface and leaves the 'protected' coarser particles on higher 'plateaus'. This phenomenon is called 'sheet erosion' and in this...

'Germination' is the process in which a plant grows or 'sprouts from a plant 'embryo' contained in a seed into a seedling. Seeds require a number of things to grow successfully into a healthy seedling.

One of the most important items required for 'germination' is water, but is water the best liquid for this process? In this science experiment we will try to 'germinate' beans in different liquids, to see which one works most...

Nature presents us with an amazing visual rainbow. For many centuries, people have tried to capture these natural hues for decorating animal skins, fabrics, crafts, and even their bodies.

Many plants can be grown into maturity without any soil at all. Growing plants in water instead of soil is called hydroponics, and it's a fascinating type of horticulture. The technique of 'hydroponics' were developed by Russian scientists in...

A pinhole in an index card can act like a magnifying glass, helping your eyes to focus on a very tiny object that is close to you. Unfortunately the tiny hole limits the amount of light that reaches your...

A rainbow is produced by the sunlight shining onto droplets of moisture after rains. The rainbow take the form of a multi-coloured arc containing the seven colours of the rainbow, with red on the outer part of the arc,...