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3rd - 5th Grade Engineering and Science Inquiry Activities : Page 7

This science fair project idea determines if the color of light affects the growth of plants.

Does The Color of Light Affect Plant Growth?

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Melting Ice Experiment

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Magic Glass of Water

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

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.

Bouncy Balls

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

This science fair project idea explores the egg's thin membrane.

Egg Lab

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Heat from Light Bulbs

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

Ivory Soap Experiment

This science fair project focuses on the use of a conductivity device that will  determine if a substance dissolved in water can or cannot conduct electricity.

Which Substance When Dissolved in Water will Conduct an Electrical Current? 

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Hot Desert Plant Adaptations

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Does Mint Actually Cool Things Down?

This science fair project idea demonstrates that plants give off water.

Plants Form Water

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Which Cup Best Prevents Ice from Melting?

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

This science fair project idea explores whether color affects a person's emotional state.

The Effect of Color on Emotions

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Demonstrating Photosynthesis: Writing in Grass

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Factors Affecting Seed Germination

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

Which Wintergreen Candy Sparks the Brightest in the Dark?

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They&#39;ll make some inferences about torque, balance, and center of gravity.

Hammer Ruler Trick

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Bernoulli's Principle Experiment

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Melting Crayons

This science fair project idea examines which type of insulation holds in the most heat.

Best Insulators

In this project students experiment with making music using only glasses of water.

Musical Glasses

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Form and Function

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Light Intensity and Distance

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

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 will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

How to Make a Steam Powered Rocket Boat

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Does Electricity Move Better through Thick Wires or Thin Ones?

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