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In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science fair project idea explores whether talking to a plant will help it grow.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Take a dive into the candy jar with this yummy science experiment.

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.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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