This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Discover which battery composition (type) lasts the longest.

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

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

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

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project teaches students the differences between fruits and vegetables.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project that explains and demonstrates the parallax principle.

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

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This science project teaches students to classify different shapes of leaves.

Science fair project that designs a video game that requires players to use relevant skills.