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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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.

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

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.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Engineers in training can get started with this simple wheel-and-axle construction activity.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.