Preschool - 4th Grade Engineering and Science Inquiry Activities : Page 15

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.

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

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 experiment we will be determining whether birds prefer certain colors of seed.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Learn how different types of soil affect how animal tracks form in this experiment!

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Construct and experiment with a periscope using reflected light rays to gather an image.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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