The premier destination for fun science projects & experiments for kids grades K-8 since 2010!

Grade 5

  • Learn how muscle contraction causes bones to move

    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...

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  • Fool your eyes with these optical illusions

    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...

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  • Study how ants communicate to find their food

    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...

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  • Make a sheet erosion landscape to study soil erosion

    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...

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  • Study how temperature can affect how fast seeds germinate

    '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.

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  • Test in which liquids do seeds grow best

    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...

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  • Make coloured dyes from various plant substances

    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.

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  • Grow plants in your own hydroponic garden

    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...

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  • Make a magnifying glass with a pin and paper only

    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...

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  • Make colours vanish to white by a spinning colour wheel

    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,...

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