Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Here's a pressed leaf card project that puts science and writing together for your second grader.