3rd and 4th Grade Engineering and Science Inquiry Resources : Page 12

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea compares biodiversity between drops of water.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

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

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea explores how length affects the weight a bridge can hold.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea explores whether white light can be separated into different colors.

This science project teaches students to classify different shapes of leaves.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Learn whether writing things down really makes things easier to remember.

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

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