In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this science fair project you will make a model of a cell membrane using very simple material.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.