Fireworks for Kids: Science + Art STEAM Activity

Colorful sparkler fireworks illustration for kids’ STEAM activity blog post

From New Year’s Eve to the Fourth of July, kids are mesmerized by fireworks lighting up the sky. Now you can bring that same holiday magic into your home or classroom with this easy DIY firework science and art activity. In this hands-on STEAM project, children will explore a simple baking soda science experiment and create a colorful cut-and-paste firework craft for an explosive blend of creativity and learning!From New Year’s Eve to the Fourth of July, kids are mesmerized by fireworks lighting up the sky. Now you can bring that same holiday magic into your home or classroom with this easy DIY firework science and art activity. In this hands-on STEAM project, children will explore a simple baking soda science experiment and create a colorful cut-and-paste firework craft for an explosive blend of creativity and learning!

Illustrated magnifying glass and ladybug icon representing children's science activities, STEM experiments, and nature exploration.

The Science: Firework Experiment

Materials:
  • Baking soda
  • Liquid food coloring
  • Vinegar
  • Squeeze bottle or small pitcher
  • Shallow baking tray
  • Small cups or jars
Directions:
  1. Set the stage for the show. Place a shallow tray or baking dish on the table to catch the splashes. Set out several small cups or jars – one for each “firework burst.”
  2. Mix your colors. Add a spoonful of baking soda to each cup. Sprinkle in a few drops of liquid watercolor or food coloring. Kids love choosing their own “firework colors,” so let them mix and match.
  3. Prep the magic ingredient. Pour vinegar into a squeeze bottle, dropper, or small pitcher. This gives kids control over how big or small their “explosions” will be.
  4. Create the fireworks. Invite kids to squeeze or drip vinegar into the cups. The moment the vinegar hits the baking soda, the mixture fizzes, bubbles, and rises – just like a tiny firework bursting to life!
Tips:
  • Observe the science behind the sparkle. As the bubbles settle, talk about how the baking soda and vinegar react to create carbon dioxide gas – the same fizzy force that makes the “fireworks” pop and dance.
  • Play with Variations: Invite kids to experiment with the reaction and see how the “fireworks” change. Try giving the mixture a gentle stir mid-fizz to watch the bubbles race in new directions, or layer different colors of baking soda to create a rainbow-style eruption.
  • This simple setup is a hit for birthday parties, holiday celebrations, or a seasonal classroom chemistry activity. Use patriotic colors for a Fourth of July science experiment – perfect for taking outdoors or poolside. For New Year’s Eve, sprinkle in a pinch of biodegradable glitter to add a little extra sparkle to your countdown.
  • Encourage kids to make predictions before each new test.

Note from Mz Applebee

“The more kids wonder, the more they learn!“

Whimsical paper crafts icon showing scissors and an Orchard & Hive honeybee illustration for kids' classroom art projects.

The Art: Firework Paper Craft

Let your little artists recreate the magic of the firework burst with this colorful craft!

Materials:
  • Black construction paper
  • Colorful cupcake liners
  • Kid-friendly scissors
  • Glue sticks
Directions:
  1. Give each child one sheet of black construction paper as their “night sky.”
  2. Gently press each cupcake liner flat. Have students cut straight lines from the outer edge toward the center, like sun rays. Continue cutting all the way around the liner. Remind them to stop at the middle so the center stays in one piece.
  3. Add glue to the center of each cupcake liner. Press the center onto the black paper, so the cut pieces spread out like a firework exploding into the sky.
  4. Repeat with different colors and sizes of cupcake liners. Encourage kids to overlap bursts and fill the page with a whole “show” of fireworks.
Tips:
  • Add finishing touches. Use gel pens, crayons, or chalk to draw stars, swirls, or a city skyline along the bottom of the page. For holiday themes, pick up seasonal cupcake liners – patriotic, metallic, or festive patterns are easy to find at most grocery or craft stores.

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