Construct batteries that make electricity from fruits with this fun science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

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

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

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.