1st - 4th Grade Engineering and Science Inquiry Resources : Page 6

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

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

The goal of this project is to create an exciting topographical map out of dough.

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!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Examine the effect of pressure on carbonation in soda.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.