• Try out these hands-on maths and science activities yourself

    Addition Necklace

    Tooth Decay

    Toothpick Model

  • More Hands-on STEM Activities

    Try out these science and mathematics activities curated by PEN.

    Liquid-Liquid Mixture

    Materials needed: oil, water, soap, glycerin, clear container.

     

    Setup: Mix different samples of the liquids together.

     

    Procedure: Ask the learners to explain how the different liquids mix together. Do they mix to form one uniform substance, or do the liquids remain separate or separate out after being shaken together?

     

    Ask them to brainstorm ways to separate the liquids

    Conditions for Germination

    Materials needed: 4 bottles or syringes, cotton wool, beans, or seeds, water, oil

     

    Procedure: Place cotton wool at the bottom of each container and add a few beans or seeds to each. In container 1, add enough water to soak the cotton wool. In container 2, add cool boiled water to flood the seeds. In container 3, add oil. In container 4, do not add any water. Record observations over several days.

    Heat Conductivity

    Materials needed: Tripod stand, source of fire, aluminum bowl, water, wooden stick, metal spoon, matches/lighter.

     

    Procedure: Light the fire source. Place the wooden stick and metal spoon in the bowl at the same time. Guide the learners to touch both objects at the same time.

     

    Let them describe what they experience upon touching both.

    Finding Circuit Components

    Materials needed: Old or broken electronics (radio, car stereo, computer, phone charger, disc drive, etc.), pliers, screwdriver, soldering iron (optional), empty matchboxes

     

    Procedure: Identify common components inside the devices and place them in separate containers (matchboxes). Pliers or a soldering iron may be necessary to remove some components.

    Surface Forces

    Materials needed: bowl, water, needle, soap

     

    Procedure: Carefully lay the needle on the surface of the water. What happens?

    Indigestion

    Materials needed: eggshells, vinegar

     

    Procedure: Put some vinegar in a cup and drop some eggshells in. Observe what happens. Explain that indigestion is a burning pain in the chest and/or stomach-ache caused by eating spoiled food, eating too much, or consuming too much fatty food

    Food Borne Diseases

    Materials needed: Mouldy bread, fermented juice, etc.

     

    Procedure: Guide the learners to inspect and sniff (but not taste!) the spoiled food.

    Explain to the learners that eating food that is spoiled or infected with pathogens can make them very sick.

    Can You Reverse it?

    Materials: playdough or clay, ice, matches, paper

     

    Procedure: Pull the playdough or clay apart into several pieces. Then ask the learners to put the pieces back together. Burn some paper with the matches. Then ask the learners to un-burn the paper.

    Breathing Model

    Materials needed: Plastic bottle, balloons, plastic bag, string/rubber band, straw

     

    Procedure: Cut the bottom off a plastic bottle. Attach a balloon over the bottle mouth so it hangs inside. Fix a piece of plastic bag over the cut base end using a string or a rubber band. (Optional: Fix a straw through the bottle top and attach 1 or 2 balloons to the end inside the bottle.)

    Principle of a Thermometer

    Materials needed: Bottle, pen tube, stopper/cork/rubber cylinder, food colouring, hot water bath

     

    Procedure: Fill a bottle (about 500 mL) with coloured water up to the rim. Tightly fix a stopper carrying a narrow pen tube into the mouth of the bottle. The liquid level should be just visible above the stopper. Now place the bottle into hot water and heat it for a short time.

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