This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

Make your own Matryoshka out of simple craft materials in this easy how-to!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

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!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This prime number game is the perfect way to get to know prime numbers. Deal the cards and flip them over. When players a prime number they call out, "Prime!"

Reflect on how fast your child has grown this past year with this ruler frame craft, perfect for gift-giving!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Get your child thinking about time with this art project, where you'll create a fun book on his daily routine.

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.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Here's a science activity to help your child investigate how seeds are designed to travel.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Here are three easy, budget-friendly ways to preserve your child's work and precious memories without filling up the attic.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.