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3rd - 8th Grade Engineering and Science Inquiry Resources : Page 12

This science fair project idea identifies trees using a dichotomous key.

Using A Dichotomous Key To Identify Trees

Cleaning can be a chore, but not with this sudsy experiment!

Homemade Cleaners: Getting Squeaky Clean

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

Snow to Liquid Ratio

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

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How to Make a Cartesian Diver

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.

Preservatives in Food

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is Plant Transpiration?

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Upside-Down Plants

This basketball project explores the best way to make the perfect shot every time.

How to Make the Perfect Shot in Basketball

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

Stars In The Sky

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Speedy Snail Race

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

Exploring the Movement of Tectonic Plates with S'Mores

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Geology 101

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

True or False? The Lying Experiment

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Flat Earth? Not Really!

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Which Type Of Rocks Are Most Damaged By Freezing?

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

DIY Electromagnet

Find out which kind of bubble wrap fares best when put in impact.

Bubble Wrap Test: What Kind Provides the Most Protection?

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Text on Screen vs. Type on Paper: Which is Easier to Remember?

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How Does Sound Travel?

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Changing the Period of a Pendulum

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

Cold Desert Plants

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Golf Science Fair Project: Temperature and Rebound

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Floating Balloons

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Handedness and Footedness Test

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

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