Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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!

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

Using a toy race car kids create a visual model of the Doppler Effect.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea investigates how magnetism can defy the force of gravity.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.