This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

The Math Monster will save your second grader from repetitive math flashcards. Guessing mystery math facts is a fun way for him to polish arithmetic skills!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

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

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this fun math activity, second graders will learn to estimate items in a jar!