Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

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

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

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea examines the reason boats are shaped and engineered.

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project compares the strength of one, two, and three-ply toilet paper.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.