Science Activities : Page 33

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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 project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

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

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Science fair project that illustrates the properties of black holes in space.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

What happens when colored beams of light mix? You might be surprised.

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

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Examine whether males or females are more likely to have a higher center of gravity.

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.

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

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.