In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

How powerful is the reaction between baking soda and vinegar? Find out here!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea provides evidence that air is everywhere and takes up space.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

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

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project that determines whether mass and weight are the same or different.