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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

The project investigates how friction affects motion by using different surface textures.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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

In this project, waves of vibrations are experimented with using water in glasses.

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this project students experiment with making music using only glasses of water.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Examine the effect of pressure on carbonation in soda.