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.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

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.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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

In this activity your child will create their very own marble maze!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Create a self-portrait from natural materials in this collage craft activity!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

In this activity, your child will be challenged to make a tower using paper cups.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.