4th - 7th Grade Engineering and Science Inquiry Activities : Page 6

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

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

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

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea determines which method of hand cleansing is the most effective.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This project investigates the affect of storage temperature on microwave popcorn.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

This science fair project idea investigates whether plants can survive being frozen.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.