Elementary School Engineering and Science Inquiry Resources : Page 9

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project explores ways to prevent static electrical shocks.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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?

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.