This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Need help encouraging your preschool child to organize her toys? Start with this activity, and turn sorting and categorizing into a fun game.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

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

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Gather the neighborhood children together and practice graphing with this backyard tournament!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Here's an innovative math puzzle that you can create with your fourth grade math student.

This science fair project idea investigates food preference of birds.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Create addition problems using critical thinking skills in this fun second grade math card game.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Science fair project that creates fog using bottles of hot and cold water.

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