Learn whether writing things down really makes things easier to remember.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

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?

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

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.

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Word color association is just a fancy way to talk about the way we connect colors with words.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This project investigates the affect of storage temperature on microwave popcorn.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.