How to Create Fun Pumpkin STEM Projects for Kids

Fall is here, and what better way to celebrate than by diving into pumpkin-themed activities. These STEM activities are fun and packed with educational value.

Whether you’re at home or in a classroom, these engaging projects are perfect for kids and preschoolers, combining science, technology, engineering, math, and art. As you go through each activity, remember safety first!

Supervision is key, particularly with the younger ones, and always keep those safety goggles handy for experiments!

Pumpkin Volcanoes Experiment

Materials Needed: Small pumpkin, small plastic cup, baking soda, vinegar, dish soap, food coloring (optional), tray.

Steps:

• Cut the top off the pumpkin and scoop out the seeds.
• Add a few drops of dish soap and food coloring to the plastic cup.
• Put 2 tablespoons of baking soda inside.
• Pour about half a cup of vinegar into the plastic cup and watch the eruption!

Safety: Wear safety goggles to protect eyes from splashes. Adult supervision required.

Pumpkin Seed Counting

Materials Needed: Pumpkin seeds, paper plates, markers.

Steps:

• Clean and dry the pumpkin seeds.
• Spread them on a paper plate.
• Encourage your child to count the seeds in groups of 5 or 10.

Safety: Monitor small children to prevent seeds from being eaten.

Sink or Float

Materials Needed: A large bucket filled with water and various sizes of pumpkins.

Steps:

• Have kids predict whether each pumpkin will sink or float.
• Place pumpkins in water one by one and observe what happens.

Safety: Always supervise children around water.

Pumpkin Life Cycle

Materials Needed: Pumpkin seeds, sprout, flower, baby pumpkin, life cycle cards.

Steps:

• Discuss each stage of a pumpkin’s life from seed to pumpkin.
• Use real samples or pictures to illustrate each stage.
• Read aloud various texts or informational texts about the life cycle of pumpkins. 

Safety: None specific, but supervision helps in understanding concepts better.

Other Ideas:

Bilingual Reading: Pumpkins and Harvest Time

Seed Germination: From Tiny Seed to Amazing Plant Video

Measuring Pumpkins

Materials Needed: Flexible measuring tape, different sized pumpkins and textures, notepad.

Steps:

• Measure the circumference, height, and diameter of each pumpkin.
• Record and compare the sizes.

Safety: Ensure kids handle pumpkins carefully to avoid dropping on toes.

Pumpkin Slime

Materials Needed: Clear glue, water, liquid starch, pumpkin seeds, orange food coloring.

Steps:

• Mix glue and water in a bowl.
• Add food coloring and pumpkin seeds.
• Gradually add liquid starch until the mixture reaches the desired consistency.

Safety: Non-toxic materials suggested; adult supervision is required.

Pumpkin Solar System

Materials Needed: Multiple pumpkins, paint, brushes, space to display.

Steps:

• Paint each pumpkin to resemble different planets.
• Arrange them to mimic our solar system.
• Read aloud or watch a video about the solar system in English and Spanish to emphasize the terms. 

Safety: Use non-toxic paint, and cover surfaces with newspapers to prevent messes.

Geometric Pumpkin Art

Materials Needed: Pumpkins, geometric shape stickers, different colors of paint.

Steps:

• Apply stickers to form various shapes.
• Paint over the entire pumpkin.
• Peel off stickers to reveal shapes.

Safety: Ensure stickers are large enough for young children to handle.

Other Ideas:

Complete Guide to Spring Crafts and Printables

Valentine’s Day Crafts for Kids

The Solar System and Earth Bilingual Read Aloud Video

Pumpkin Catapult Challenge

Materials Needed: Popsicle sticks, rubber bands, spoon, mini pumpkins or gourds.

Steps:

• Build a catapult using popsicle sticks and rubber bands.
• Place a pumpkin or gourd on the spoon and launch it.
• You can also use plastic pumpkins that you can find in craft stores. 
• Measure how far it goes.

Safety: Safety goggles required. Keep a safe distance from the launching area.

Pumpkin Maze Racing

Materials Needed: Pumpkin, non-toxic markers.

Steps:

• Draw various lines around the pumpkin to create a maze pathways. 
• Use small car toys or small plastic toys to race around the maze. 

Safety: Adult supervision recommended.

Pumpkin Coding Game

Materials Needed: Cardboard or large paper, non-toxic markers, small figurines.

Steps:

• Draw a grid and pathways on the cardboard, themed around pumpkins.
• Use arrows to move a character through the maze.

Safety: Ensure the use of child-friendly markers.

Pumpkin Shadow Drawing

Materials Needed: Pumpkins, paper, pencils, lamp.

Steps:

• Place the pumpkin between the lamp and paper.
• Trace the shadow cast by the pumpkin.

Safety: Ensure that electrical cords are out of the way to prevent tripping.

Grow a Pumpkin in a Pumpkin

Materials Needed: Carved out pumpkin, soil, pumpkin seeds.

Steps:

Fill the carved pumpkin or your jack-o-lantern from Halloween with soil.

Plant seeds and water them.

Watch for sprouts and transfer them when ready.

Place your pumpkin plant outside in a cover area from winter. 

Safety: Wash hands after handling soil.

Other Ideas:

Bilingual Resources Practical Guide

Halloween Counting Bilingual Read Aloud Video

Bilingual Halloween Reading Video

Build a Pumpkin Boat

Materials Needed: Small pumpkin, craft sticks, non-toxic glue, large tub of water.

Steps:

• Hollow out a small pumpkin to make a bowl shape.
• Use craft sticks to construct a mast and glue to secure.
• Allow the boats to dry before placing them into the water. 
• Test its buoyancy in the tub of water.

Safety: Adult supervision required.

Pumpkin Pulley System

Materials Needed: Rope or yarn, small bucket, small or mini pumpkin, sturdy overhead beam.

Steps:

• Secure the rope over the beam and attach it to the bucket.
• Place the small or mini pumpkin in the bucket.
• Have kids pull on the rope to lift the pumpkin.

Safety: Supervise to ensure secure attachment of the pulley.

3D Pumpkin Models

Materials Needed: Modeling clay, paper, fabric, safety scissors, non-toxic glue.

Steps:

• Choose a medium and craft a pumpkin.
• Use additional materials to add features like stems or leaves.

Safety: Supervise the use of scissors and keep craft tools child-friendly.

Pumpkin Seed Necklace

Materials Needed: Pumpkin seeds, non-toxic paint, string, non-toxic glue.

Steps:

• Paint the seeds and let them dry.
• Paste the dry seeds onto yarn, string, or ribbon. 

Safety: Adult supervision required.

Pumpkin Scented Play Dough

Materials Needed: Flour, salt, water, pumpkin pie spice, oil.

Steps:

• Mix all ingredients until reaching dough consistency.
• Knead well and let children play.

Safety: Adult supervision required. Ensure ingredients are allergen-free for children.

Pumpkin Patterns and Sequences

Materials Needed: Colored paper, pumpkin stickers, glue.

Steps:

• Cut paper into strips.
• Stick pumpkin stickers in patterns on the strips.
• Have children continue or create new patterns.

Safety: Adult supervision required.

Pumpkin Math Bingo

Materials Needed: Printable pumpkin bingo cards, markers.

Steps:

• Print bingo cards with numbers or simple math problems.
• Play bingo, using markers to cover called numbers or solved problems.

Safety: Adult supervision required. Ensure cards and parts are large enough for smaller children.

These STEM pumpkin activities are fun and educational to learn about fall and pumpkins. Safety first! Remember, an adult’s guiding hand and watchful eye are important to keep everything fun and safe.

Enjoy the laughter and learning that come with exploring pumpkins in so many creative and educational ways.

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