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Preschool - 6th Grade Engineering and Science Inquiry Activities : Page 2

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Which Gum has the Longest Lasting Flavor?

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Pineapple Enzyme

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Plane Mirror Reflection Experiment

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

In this fun experiment, we&#39;ll find out how color affects heat absorption!

Which Color Absorbs the Most Heat?

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Design Challenge: Making a Catapult

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

Start your toy engines -- this is going to be a fast and friction-filled race!

Car Friction: The Science of Going Fast

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Heat Capacity of Water vs. Heat Capacity of Oil

In this activity, your child will be challenged to make a tower using paper cups.

Design Challenge: Creating a Cup Tower

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Does Music Affect Your Mood?

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Exploring Taste: Sweet, Sour, Salty, and Bitter

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Best Fertilizer: The Effects of Fertilizer on Plant Growth

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Design Challenge: Design a Roller Coaster

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

This experiment will evaluate if chewing gum affects students' test performance.

Does Chewing Gum Affect Test Performance? 

In this activity, your child will transform an egg into a glowing, bouncy &quot;ball&quot; that they can play with.

Design Challenge: Glowing Bouncy Egg

This science fair project idea explores whether talking to a plant will help it grow.

Talking to Plants

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

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Popcorn Science for All Five Senses!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Which Food Will Mold the Fastest?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Plant Phototropism Experiment

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

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

Testing the Solubility of Common Liquid Solvents

This science fair project idea explores the different properties & interactions of sugar molecules.

Sugar Crystallization

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How to Make a Lemon Battery

Take a dive into the candy jar with this yummy science experiment.

Candy pH

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Do Plants Need Water?  

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

How Do the Phases of the Moon Affect the Tides?

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