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    BlogParenting Resources25 Best STEM Activities to Spark Innovation & Creativity in Kids

    25 Best STEM Activities to Spark Innovation & Creativity in Kids

    STEM (science, technology, engineering, and math) activities can inspire children to develop a sense of natural curiosity about the world. From making paper circuit boards to building a balloon car, children can do dozens of STEM activities daily to boost creativity and cognitive processing.  

    Parents can also extend topics that kids may have learned online or through school towards practical applications. Kids can pick up an intuitive sense of practical applicability, with visual learners understanding subjects better through observation of experiments. STEM activities also encourage confidence and autodidactic learning through the process of curiosity-driven testing. 

    STEM activities are also bundles of fun and can be performed by kids of all ages. Let’s do one STEM activity every day for the next 25 days!

    25 STEM Activities for Young Explorers & Curious Thinkers

    Image of kids in lab doing STEM activities

    1. Lemon Volcano – Acid and base reaction

    By cutting a hole inside a few large lemons, you can place food coloring and prep the volcano’s base. Adding baking soda will make the volcano erupt, making it one of the more visual STEM activities that kids can be amazed by.

    2. Marble Run – Gravity

    By sticking half-tube cardboard cylinders to a wall and making a racing course for marbles, kids can learn about the effects of gravity and kinetic energy. Marbles can be made to fall through a range of twists and turns to learn why the ball pauses to change course.

    3. Popsicle catapult – Potential Energy

    You can start by stacking 5-6 popsicle sticks and tying each end with rubber bands. For the catapult, you can take two sticks, tie them on one end, and slide the open ends to cover the top and bottom of the stack. You can attach a bottle cap to hold the projectile and fire away.  

    4. Candy Gears – Transfer of energy and work

    Parents can take large plastic jar lids and stick skewers through them as placeholders. They can add candy to the ends of the skewers to create makeshift gear. By rotating one candy gear, parents can make the other one turn through energy transfer. It’s one of the simplest STEM activities to teach kids about engineering.

    5. Water Walking – Surface tension, Capillary effect

    Place 6 cups, 3 with colored water, and three empty ones in a row. Place paper towels between each cup, thereby connecting them like a train. The water from the cups should start flowing into the empty ones by the capillary effect.

    6. Paper roller coaster – Momentum

    This DIY arts & crafts STEM activity allows kids to use their imagination and create a slope, a loop, and a soft-landing mechanism for their cardboard roller coaster. By dropping marbles from the top, kids learn about momentum and acceleration through this intuitive experiment.

    7. The Magical Wind car – Energy flow and Newton’s Law of motion

    You can make a toy car out of bottle caps as wheels, skewers as the wheel balancers, and a cardboard sheet as the car’s base. Attaching a sail at the center, made of a skewer and a thin sheet of paper, will prepare the magical car. A gust of wind is all you need to make this mechanism run free.

    8. The Tea Bag Rocket – Hot air rising

    This simple experiment can be done to demonstrate how hot air particles can quickly rise upwards while appearing to defy gravity. By emptying a tea bag and lighting it on fire, it will rapidly fly up in the air to the amazement of onlookers.

    9. Flipping Arrows – Light Refraction

    Parents can make two arrows pointing in the same direction on a sheet of paper. A glass bottle with water can serve as the refraction medium. By sliding the paper behind the glass, there will be one section where an arrow will start to point in another direction.  

    10. Homemade Sundial – Rotation of the Earth

    Kids can split a paper plate into 12 equidistant spaces with tape markers and add a pencil in the center to serve as a shadow caster. By placing the sundial outside and synchronizing it at 12 PM, kids can measure the time on the clock just by looking at the pencil’s shadow.

    11. Changing colors – Capillary action in plants

    Taking a few celery stalks, some glasses of water, and different types of food coloring, kids can learn about how small vessels in vegetables carry nutrients into leaves. Celery stalks can be inserted into the colored water and left for a few hours to have them magically turn into different colors.

    12. Seeds growing into plants – Germination

    Taking a few sprout beans and individually placing them in cotton balls can help showcase the effects of germination. You can add these cotton balls into mud and water them regularly to have them sprout through the cotton across different stages.

    13. Paper Circuit – Resistance and electric flow

    All you need for this STEM experiment is a graphite pencil, a battery AA, and some LED lights. You can connect alligator clips to the battery and draw a straight line from one end of a sheet of paper to another. The line should act as a resistor and by sliding the LED, you can make it light up or dim down.

    14. Toy Sailboats – Buoyancy

    Parents can attach a stick to a bottle cork and add a sheet of paper as a sail for this DIY sailboat. The sailboat should float on water due to the buoyant nature of cork, which can be compared to other items such as heavy toys, plastic bottles, fruit, etc.

    15. Atmosphere in a Bag – Condensation

    You can add some water to a tightly closed zip-lock bag and have it rest outside in the sun. The water should evaporate and stick to the bag’s inner surface as water droplets, demonstrating the effects of condensation. They should turn back into water after being placed indoors.

    16. Impossible Bags – Strength of polymers

    Have your kids poke a hole straight through a zip-lock bag full of water. No water should leak out of the holes. This is because of the strength of polymer chains that want to combine and stick rather than let out any space after puncturing.

    17. Marshmallow Heartbeat – Cardiac functioning

    Biology-focused STEM activities can be performed excitingly and engagingly. Sticking a toothpick into a small marshmallow helps kids measure their heart rate and understand reading a pulse. The marshmallow can be placed on the wrist, with kids measuring the minuscule jumps in the marshmallow per minute.

    18. Automatic blowing Balloons – Reactivity of chemicals

    You can fill a plastic bottle with vinegar and a balloon with baking soda. Placing the balloon over the bottle will make the two chemicals react, creating air that automatically fills up the balloon. 

    19. Magical carousel – Movement of air particles

    Have a carousel stuck into the center of a paper plate, with unlit candles under the carousel at equal distances. Light the candles and watch the carousel spin without any physical touch. The invisible movement of air can be demonstrated quite magically through this experiment.

    20. Music with bands – Doppler effect, sound acoustics

    Placing six rubber bands over a container will help create a musical instrument. Kids can pluck rubber bands and play different notes on the scale based on their position and thickness. Pulling the instrument away from the ear will also distort the frequency.

    21. Egg Walk – Pressure dispersion

    By having your kids walking on a crate of eggs, you can demonstrate the power of pressure dispersion. Since the pressure of their foot is equally distributed across multiple eggs, there is less chance of cracking.

    22. Suction of Cups – Atmospheric Pressure

    Have moist tissue paper in the middle of a tray and place a candle on top of it. Light the candle and set a glass over it until it goes out. The air inside of the glass should create a pressure difference with the air outside, allowing you to lift the entire tray by just picking up the glass.

    23. Dissection & Inspection – Biology, anatomy of flora

    You can select multiple types of flowers and dissect them to compare their differences from a reference point. The stems of lotuses can be compared with roses, and the petals of sunflowers can be compared with lilies.

    24. Invisible Power – Static electricity

    Have a plate of scrap paper bits on the table and rub a balloon on your hair to generate static electricity. The scraps of paper should move around because of the charge of the balloon, demonstrating the invisible power of static electricity.

    25. How to Float an Egg – Difference in density

    While an egg sinks in fresh water, it can float effortlessly by adding salt to the glass. This is a great STEM activity to show how salt increases the density of water, which allows the less dense egg to float on the surface.

    Children love STEM activities, and they enjoy exploring science and technology to fuel their curiosity.

    SpashLearn understands children’s innate desire to learn new things in a fun and engaging environment constantly. Kids can learn about their favorite subjects through innovative math and ELA quizzes, courses, and worksheets with animated games and positive reinforcement.

    Parents can sign up for free for our COPPA-certified courses!

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    Frequently Asked Questions

    Why are STEM activities important?

    STEM activities are vital to developing an intuitive sense of exploration within science and technology.

    What is a STEM activity for kids?

    A STEM activity can be any activity that is designed around exploring a STEM topic or a group of distinct topics and their role in the result.  

    How do you explain STEM to a student?

    STEM subjects can be taught to students of all ages, through practical examination, experimentation, and engaging in dialogue about STEM topics.

    What are STEM and STEAM activities?

    STEAM stands for STEM + Art, which involves DIY crafts and other artistic explorations that encourage creative thinking in younger children.  

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