In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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.

This science fair project idea compares biodiversity between drops of water.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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!

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

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.