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Discover whether a metal will expand under hot water.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Make a sweet, budget-friendly treat for your loved ones with these trick-or-treat lollipops.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

Put old, worn-out picture books to work by constructing a book birdhouse, perfect for welcoming spring.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

It doesnât take long for flashcard drills about prefixes and suffixes to get old. Turn the learning process into a treasure hunt with this fun activity!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This decimal game is a great way to help your child get familiar with how decimal values work.

Using low-tech supplies and a little extra ingenuity you can help your fourth grader create this unique, heartfelt Valentine card.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Here's an activity to teach your fourth grader how to reflect on her past year and set specific, attainable goals to reach in the New Year.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Reinforce your child's measurement and problem solving skills this holiday season! This decadent bread pudding, dressed up with pumpkin and warm spices, is a holiday show-stopper.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project investigates why the number of visible stars changes from place to place.