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

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

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

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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 science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea identifies trees using a dichotomous key.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea determines what household items are good conductors of electricity.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Construct and experiment with a periscope using reflected light rays to gather an image.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.