3rd Grade Engineering and Science Inquiry Activities : Page 8

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.

In this science fair project you will make a model of a cell membrane using very simple material.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

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.

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.

Do you think heat can affect a plant's growth rate?

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.

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?

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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

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