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    Home » Science Experiments for Kids » Key Stage 2 Science Experiments

    Key Stage 2 Science Experiments

    May 1, 2020 By Emma Vanstone Leave a Comment

    These Key Stage 2 science experiments are great for school or home and perfect to sit alongside science in the classroom for Key Stage 2 in the UK or for children aged between around 7-11 who love science!

    If a science challenge is more your thing, we’ve got easy STEM challenges using newspaper, FREE STEM Challenge cards and lots of easy ideas for science fun at home created in association with the Primary Science Teaching Trust.

    If you like a good science book This IS Rocket Science has lots of easy ideas that cover forces including gravity, air resistance and friction as well as a science activity linked to each planet in the solar system.

    Rocket Science Book

    Plant Science Investigations for Key Stage 2

    Dissect a flower to identify the different parts, learn about the transport of water in plants or grow new plants from tissue cuttings.

    Make a flowering plant lifecycle spinner.

    labelled flower diagram

    Make colour changing flowers to learn about transpiration and transport of water in plants. This one always provides a bit of wow factor!

    Animals including Humans

    Diet and Exercise

    Set up an experiment with eggs to discover how and why different foods and drinks stain teeth.

    Find out how much sugar some common drinks contain and compare them.

    how much sugar - Key Stage 2 Science Experiments

    Discover how exercise affects heart rate with a simple investigation.

    Human Body – Key Stage 2 Science Experiments

    Find out how the lungs and heart work with a model lung and model heart.

    Make a model brain using play dough!

    Model Brain

    Evolution

    Learn about Charles Darwin with a fun natural selection activity.

    This sedimentary rocks and fossil activity from Teach Beside Me looks fantastic!

    Habitats and changes to environments

    Make shoebox habitats and model changes to polar ice caps with ice.

    Make your own food chains and food webs with these easy ideas.

    Fooc chain made with small toys

    Light Experiments for Kids

    Make a light maze to learn about light travelling in straight lines and reflection.

    Learn about light and refraction with these direction swapping arrows.

    Try one of our simple shadow investigations including drawing around 3D shapes, making a sundial and creating shadow puppets.

    3D shadow shapes

    Electricity

    Learn how to make a simple switch.

    Design and build a torch using a simple circuit.

    For a bigger project you could light up a street!

    model street - electricity experiment for Key Stage 2 Science

    Magnet Experiments

    Defy gravity with this floating magnet trick!

    Magnet and rocket experiment
    Image taken from This IS Rocket Science

    Forces and Motion

    Gravity

    Learn about gravity with one of my easy gravity experiments including launching a film canister rocket, a bottle rocket or even a straw rocket!

    Air Resistance

    Find out about air resistance with a simple egg drop experiment or by making paper spinners.

    Boiled eggs ready for a Humpty Dumpty Science Experiment

    Friction

    Learn about friction by making a friction ramp, a garden teddy bear zip line or slow down a marble run by adding something to increase the friction between the slope and marble.

    homemade garden toy zip line

    Materials – Key Stage 2 Science Experiments

    Find out which solids dissolve in water with an easy investigation using water, salt, suagr and sand.

    Clean up dirty water by filtering. This is a great way to discover how to separate insoluble materials.

    Water Filtering - sand filter -

    Make and separate mixtures using sweets or toys!

    Changing States

    Learn about changing states by making mint chocolate leaves.

    If you fancy some science fun in the kitchen transform cream into butter or egg white into meringue!

    Meringue and raspberries - the science behind meringue

    Evaporation and Condensation

    Learn about evaporation by leaving wet sand outside on a hot day.

    Sound

    Make a straw flute ( great for learning about pitch ), find out how to see sound with rice and a drum.

    Earth, Moon and Space

    Learn about space and the solar system with a week long DIY Space Camp.

    Do you know of any great Key Stage 2 Science Experiments we’ve missed?

    Easy science experiments for Key Stage 2! #KeyStage2Science #scienceforkids

    Last Updated on July 7, 2021 by Emma Vanstone

    « Gross Science Experiments
    How to make a sundial »

    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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