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

Grades 5 & 6

  • Make a simple Hummingbird feeder

    Hummingbirds can consume up to twice their body weight in nectar every day. You can observe these fascinating birds in action by making a hummingbird feeder for your garden in the following science experiment.

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  • Study the flow of materials through living membranes such as an egg

    It 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'...

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  • Build a model of an animal cell

    '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...

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  • Test your friends ability to judge the direction of sounds

    Humans 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...

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  • See how much air can your lungs hold

    An 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!

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  • 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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  • Make a ‘Berlese’ funnel to catch soil-burrowing insects

    Farmers hate soil-burrowing insects because the can destroy a field of crops or a garden overnight. During the day they hide under rotten, rubble or a thin layer of soil, just to emerge in the dark to consume an...

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  • Study the social organization of ants by making an ant farm

    When 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...

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  • Trees act as large solar panels – Calculate the area of the leaves

    Using energy from the sun, plants rearrange water and carbon dioxide to form sugar or 'energy' thus, the leaves of a plant or a tree and can be seen as miniature sunlight collectors or solar panels. Use the method...

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