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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea deals with the qualities of shade on a sunny day.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Find out which type of sponge holds the most water.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this project, different childproof containers are tested to see how childproof they really are.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

What happens when colored beams of light mix? You might be surprised.

Discover how and which salt melts ice the quickest.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science project idea examines the effect of microwaving on various objects.

In this design challenge, your child will make a bottle rocket using typical household items.

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