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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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.

Will the shape of an ice cube impact how fast the ice melts?

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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 explores how far the âdanger zoneâ is from different types of caution signs.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science fair project investigates why the number of visible stars changes from place to place.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.