In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Give your budding young observers a chance to discover simple machines at use in their own home.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

This science fair project idea explores the different properties & interactions of sugar molecules.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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?

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Discover which fabrics shrink the most in the wash and why.

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.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!