This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Introduce your child to science with something they see everyday--their shadow!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.