Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

Here's a pumpkin nut bread recipe that makes for a wonderful project on a crisp autumn afternoon.

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

A St. Patrick's Day staple, corned beef and cabbage is a delicious way to celebrate the holiday and introduce your fourth grader to the kitchen.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair project idea investigates the difference in reaction times between boys and girls.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea examines liquids of different densities.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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?

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of material.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Using wholesome, natural ingredients like oatmeal, honey and raisins your child can make homemade granola bars!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Math Baseball is a fun and competitive way to review new math concepts and simple computations.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Being able to guess the likelihood of an event is a useful skill. Discuss probability with your kid as you play this fun math card game!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Staying close to home doesn't mean you can't get moving! Use this fun challenge activity to encourage your child to move their body in new ways while testing their endurance!

What do you get when you cross a pool, water balloons and hula hoops? Pool Basketball, an exciting summer game perfect for kids of all ages.

A tall glass of lemonade is the perfect summer treat. Make it even better with these creative twists on classic lemonade!

Cook Halloween pasta on All Hallows' Eve. This green pasta with toothy almonds is a super scary and tasty dinner for trick-or-treaters on Halloween night.