Elementary School Engineering and Science Inquiry Activities : Page 23

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Here's a science activity to help your child investigate how seeds are designed to travel.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Discover which fabrics shrink the most in the wash and why.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea investigates if fats add to the flavor of food.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Word color association is just a fancy way to talk about the way we connect colors with words.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.