Science Projects Activities : Page 27

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

This science fair project demonstrates the "power of conformity".

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This project will explore whether music influences physical endurance.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This experiment will explore the best way to create a perfect soft-boiled egg.

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

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This project determines how much the rebound rates of tennis balls change after ten games.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.