Create buoyant plumes to watch how fluids move through the environment. Learn about randomness and turbulence by modeling flows ranging from volcanic eruptions to underwater oil spills.

This STEM Girl Day activity is part of The Future of Energy Adventure, Sponsored by STEM Girl Day Presenting Partner: Halliburton.

Design a dream campsite. With every campsite area, there are rules, regulations, and constraints, so creativity and engineering skills are essential to plan out the best campsite around.

Create a bridge and test the strength of the bridge with weighted objects.

Move a platform lifter, excavator, and robot arm without using electricity. Challenge your friends to see whose machine can finish the mission.

Learn how the water we drink can be converted into its elemental parts through the power of electrochemistry.

Play carnival games, win prizes, and explore concepts such as probability, the normal curve, and sampling.

This STEM Girl Day activity is part of the Data Driven Solutions Adventure, Sponsored by STEM Girl Day Presenting Partner: Dell Technologies.

Join Chemical Engineering students to make ice cream in a bag - a tasty thermodynamic treat. Stick around to learn the power of electricity and magnetism with exciting experiments.

Create colorful flowers and see the science of intermolecular forces in action.

Explore the fundamentals of circuits and how they relate to semiconductor manufacturing. Test out snap circuits, participate in a demonstration, and join in a team-building exercise.

Learn about chip design skills and the physical layout and routing of semiconductors by playing a game. Learn about circuits through music and wiring an electronic piano.

Explore how civil, environmental, and architectural engineers design safe, sustainable cities.

This STEM Girl Day activity is part of the Engineering Our World Adventure, Sponsored by the Cockrell School of Engineering at The University of Texas at Austin.

Check out a micro-robot and learn about ion exchange, as ions move, swap places, and interact in a 3D simulation.

Create a catapult to learn principles of engineering, architecture, and creativity. How far will yours launch?

Learn to code using Micro:Bits, gadgets that make coding a blast with lights, sensors, and endless possibilities. Code on your device and play while you learn. Mobile devices are required.

This STEM Girl Day activity is part of the Coding and Robotics Adventure, Sponsored by Apple.

Participate in a creative workshop to design and color a laser-cut wooden item, while learning about robotics and the laser-cutting processes used to create pieces.

Discover how coders use patterns to send messages. Use beads and colors to turn a name into Morse code and design a bracelet with a secret message.

This STEM Girl Day activity is part of the IF/THEN® Adventure, Sponsored by IF/THEN®, an initiative of Lyda Hill Philanthropies.

Participate in a chemistry experiment to learn about acids and bases by using color-changing pH indicators.

This STEM Girl Day activity is part of the Creating Chemistry Adventure, Sponsored by BASF Corporation.

Learn about reinforced concrete and watch load testing of miniature beams to understand why reinforcing steel is added to concrete.

This STEM Girl Day activity is part of the Materials & Efficiency Adventure, Sponsored by Chevron.

Create a simple circuit, connect to a fan, and chill the air. Explore the basics of electrical and mechanical engineering.

Build a sound-triggered circuit using a microphone, transistors, and a breadboard. Learn how a clap becomes an electrical signal and try out hands-on electronics with instant feedback.

Explore a cosmetic engineering manufacturing process by creating lip gloss. Learn about manufacturing engineering and the science of additives, mixtures, and mixing.

This STEM Girl Day activity is part of the Creating Chemistry Adventure, Sponsored by BASF Corporation.

Create and test your own balloon car. Explore how different physics principles cause the car to move. How far will your car go?

Create and test a miniature catapult that can launch an object. Enter for a chance to win a prize.

Create a fizzling lava lamp using the power of density. Explore how lava lamps are made and how they work.

This STEM Girl Day activity is part of the IF/THEN® Adventure, Sponsored by IF/THEN®, an initiative of Lyda Hill Philanthropies.

Create a postcard that lights up with an LED and learn how circuits work.