4th Grade Science Activities
From cool card games that teach place value, to outdoor activities that introduce buoyancy, reading activities, writing, and more, we've got what you need to keep learning on the go. So, clear off the kitchen table and round up the family. Here's a stack of things to do with your fourth grader.
Experiment with Surface Tension!
Ever wonder why dewdrops form? Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process! Part science, part magic, this is a great way to get your child excited about the way things work.
Make an Electrical Zapper
Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device that will produce a spark that you and your child can feel, see, and hear!
Make a Pinhole Projector!
Make a pinhole projector and see why images cast on your retina are upside down!
Decode This! Outta-Sight Ink
Secret messages with little more than lemon juice? That's right! With this activity, make invisible ink appear, while you reveal to your child some chemistry so cool it should be confidential.
Moving Mountains: Teach Your Kids the Building Basics
How did ancient builders build? Show your kid the amazing mechanics behind building basics.
Teach Density with Kitchen Science
The simplest concoction is all you need to think twice about what floats and what doesn't. This experiment shows that the simplest ingredients - salt and water - can make for an enlightening chemistry lesson, and will teach your child that science is all around her, all the time!
Blast Off! Rocket Science
Is your child a rocket scientist in the making? Here's a fun activity that illustrates the basic principles behind what makes rockets rock!
Exploding Marshmallows!
Does your child ask questions about the magical mystery microwave? Now you can show her how and why it works, while demonstrating just how strangely foods can behave while inside.
Make Your Own Butter!
Teach your child how butter is created by shaking up cream the old-fashioned way. This yummy activity is a great way to sneak some kitchen science into snack time, and it will leave your child all buttered up for more kitchen chemistry!
Make Crystal Lollipops!
Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts. Teach your child about saturation, evaporation, and crystallization with a simple kitchen concoction that will leave them hungry for more chemistry.

