In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This project examines whether people's taste perception is influenced by what they see.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Do you think heat can affect a plant's growth rate?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

This science fair project idea investigates how the shape of an object affects drag.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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.

Construct batteries that make electricity from fruits with this fun science fair project.