Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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

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

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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!

This science fair project idea determines the probability of a coin landing heads or tails.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.