Elementary School Engineering and Science Inquiry Activities : Page 16

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science experiment tests if dog saliva can really help heal wounds.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Learn how different types of soil affect how animal tracks form in this experiment!

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.