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In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea produces varying pitches of sound.

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

In this fun experiment, we'll find out how color affects heat absorption!

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science fair project idea explores substances that cause a bubble to last longer.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Will the shape of an ice cube impact how fast the ice melts?

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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.