3rd Grade Engineering and Science Inquiry Activities : Page 8

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Determine if gender affects the ability to identify different smells.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea investigates how the shape of an object affects drag.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

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 projects, students will grow out the bacteria that collect on air conditioner filters.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?