Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science fair project investigates why the number of visible stars changes from place to place.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.