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.

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

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

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this science fair project, students make their own rain gauge to measure rainfall.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science project teaches students to classify different shapes of leaves.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover how and which salt melts ice the quickest.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.