3rd Grade Engineering and Science Inquiry Activities : Page 8

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.

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

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.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Explore if planting seeds in a certain direction will affect how fast it germinates.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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.

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