2nd and 3rd Grade Engineering and Science Inquiry Activities : Page 4

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.

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.

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.

Make a backbone model to explore human anatomy and life science.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this science fair project, students use the streak test to tell minerals apart from each other.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!