Showing Results for how when : Page 20

Test your friends to find out if you can replicate the placebo effect's incredible results.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea examines whether boys and girls differ in reflexes.

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

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea compares biodiversity between drops of water.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.