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The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

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.

A Single Movable Pulley and Mechanical Advantage

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Positive and Negative Geotropism

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.

Edge Effect

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

The Effects of Freezing on Plant Life

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Can Taste Buds Detect MSG Levels?

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.

How to Prevent Erosion

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Water Splashes

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Exploring Erosion, Sediments and Jetties

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Toxic Chemicals: What's in Your Home?

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Bouncing Ball Physics: What is Elasticity?

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

Design Challenge: Making a Water Slide

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Get Cracking

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

Passive Solar Heating

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Ping Pong Ball Anemometer

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Ivory Soap Experiment

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Design Challenge: Egg Drop

Construct and experiment with a periscope using reflected light rays to gather an image.

Periscope Construction

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Naked Egg

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Soda Calories

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

The Chemistry of Dyeing Easter Eggs

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Fastest Way to Cool a Soda

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

How Solar Energy Heats Liquids of Different Colors

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets&#39; relative size!

Scale Model of the Solar System

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Too Cold To Snow?

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Inverted Images

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

What Causes Dilated Pupils?

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Cold Desert Plants

This science fair project creates a visual model of what&acirc;s happening to sound waves as a car approaches and then leaves.

How to Create a Visual Doppler

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