Engineering and Science Inquiry Activities : Page 24

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This experiment investigates whether smell can be used to enhance test subjects' memories.

This science fair project investigates why the number of visible stars changes from place to place.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

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

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This experiment explores whether caffeine improves athletic performance.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.