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

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

This project compares different liquids and the freezing, melting and boiling points of liquids.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This fun math card game is a great opportunity to discuss probability with your third grader.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Introduce colors to shadow play with this creative and irresistible science activity!

Play Number Dash with your preschooler and help them learn to identify numbers, write numbers and learn about organized play.

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

Want to turn snack time into fun-time? Help him turn ordinary rice cakes into creatures that are silly, creepy, or just plain cute!

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

Get your child excited about measuring with this fun and easy household measurements activity.

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!

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

Start the new year with this fourth grade math "Calculation Challenge!"

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

This science fair project idea measures physical dexterity as a function of temperature.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

This activity is a great way to practice sorting, counting, matching, and other early math skills--- on the fly.

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Teach your child about jesters as she makes her very own jester hat.

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

Make a fun refrigerator graph with your first grader in order to help her develop those crucial graphing skills, while engaging with the whole family.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.