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Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

Learning to identify and categorize different geometric shapes is a big goal for early learners. And your neighborhood is the perfect place to start!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

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.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Put together a pine forest to help you count down the days until Christmas with your little one.

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

In this activity, your child will learn to name the numbers from 1 through 5 and she'll practice her grouping skills.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

In this activity your little one will throw a beanbag at a numbered target to help improve her number recognition skills.

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.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Get your preschooler ready for kindergarten by helping them learn numbers 1-10 with homemade snowflake counting cards in this arts and crafts activity.

This Hanukkah countdown craft will help your little one count the eight nights of Hanukkah. Make a Hanukkah countdown calendar with your child.

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

You kid can count from one to ten, no problem. They can even do it backward. Work on their addition and subtraction skills with this fun fruit picking activity.

A plastic tray is the perfect tool to teach your little one how to count. Try out this activity, and your child will have her numbers down in no time.