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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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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?

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea examines which type of insulation holds in the most heat.

Plants and light seem to be good buddies, but how far does the friendship really go?

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.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!