What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

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

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this science fair project, young children notice and track changes in trees throughout the year.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Make a spring collage with your child to get them outside and those creative juices flowing!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.