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This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!