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The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea produces varying pitches of sound.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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!

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea produces sounds by creating vibrations using different objects.

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.

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

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!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

The goal of this project is to create an exciting topographical map out of dough.

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.