Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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?

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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.

Start your toy engines -- this is going to be a fast and friction-filled race!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This science fair project teaches students the differences between fruits and vegetables.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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!

Slip some science into storm watching with a homemade rain gauge!

This science fair project idea demonstrates that plants give off water.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

This science fair project idea investigates how the shape of an object affects drag.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Plant a mini herb garden and teach your child about science and nature.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project will help students learn about non-vascular plants, such as mosses.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.