In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Analyze this simple betting game with your fourth grade student in order to discuss probability.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Help your children practice their presentation skills by helping them create their very own show called "The Daily News."

Plan a family dinner based on the "Little House" books, and encourage reading in the household!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea investigates whether plants can survive being frozen.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Have your child kick off their summer vacation by making a miniature water slide!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!