1st - 3rd Grade Engineering and Science Inquiry Resources : Page 4

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores substances that cause a bubble to last longer.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this activity your child will create their very own marble maze!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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.

This science fair project idea investigates how color affects temperature.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project teaches students the differences between fruits and vegetables.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea examines the reason boats are shaped and engineered.

Using a toy race car kids create a visual model of the Doppler Effect.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.