Have your child kick off their summer vacation by making a miniature water slide!

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.