This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Transform your uncomfortable wooden shoes into charming mini planters!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Cleaning can be a chore, but not with this sudsy experiment!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates the hardness property of minerals.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Plants and light seem to be good buddies, but how far does the friendship really go?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this design challenge, your child will create a parachute for a small toy using typical household items.

The objective of this science project is to determine the length of time for different seeds to germinate.

Make a lei and bring a touch of the tropical lifestyle into your home!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!