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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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.

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

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Use familiar household items and decorations to turn estimation into a fun game!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea deals with the qualities of shade on a sunny day.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.