10 Outdoor Science Experiments for Kids

By Michael Wright · October 16, 2026

Turn Your Backyard Into a Science Lab

Outdoor science experiments combine fresh air with hands-on learning. Kids retain concepts better when they can touch, observe, and manipulate materials in a natural setting. These ten experiments require common household items.

1. Solar Oven S'mores

Line a pizza box with aluminum foil and plastic wrap. Place graham crackers, chocolate, and marshmallows inside. Set in direct sunlight and watch the heat build. Kids learn about solar energy and heat transfer.

2. Shadow Clock

Place a stick upright in the ground and mark the shadow tip every hour with a rock. Kids discover how Earth's rotation creates shadow movement throughout the day.

3. Water Cycle in a Bag

Tape a sealed plastic bag with a small amount of water to a sunny window or fence. Watch evaporation, condensation, and precipitation happen in miniature over several hours.

4. Soil Layer Jar

Dig soil from your yard and place it in a clear jar with water. Shake and let settle overnight. Kids observe distinct layers of sand, silt, clay, and organic matter.

5. Bug Hotel

Stack bamboo tubes, pine cones, and bark in a wooden frame. Observe which insects move in over the coming weeks. Kids learn about habitat needs and biodiversity.

6. Plant Maze

Build a shoebox maze and plant bean seeds at the entrance. Cut a hole at the far end for light. Watch the plant navigate the maze over two to three weeks.

7. Erosion Tray

Fill three trays with soil. Leave one bare, plant grass seed in another, and cover the third with mulch. Tilt and pour water to compare erosion rates.

8. Wind Speed Indicator

Attach paper cups to a central pivot point with a pencil. Calibrate with a fan at known speeds. Kids measure local wind conditions throughout the week.