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.

Practice conversions within the metric system in this fun math card game for third graders.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Play tic-tac-toe and help your kid memorize multiplication facts!

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

Try this fun math card game with your third grader to practice division, addition, and problem solving!

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!