All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Project title Diffusion of Helium gas in latex balloonsFeatured science project
Difficulty Level Middle school
Project page  Click here to view this science project

This experiment was conducted to ascertain how air pressure affects the rate at which helium gas escapes from latex balloons. 

Instructions preview
*For this experiment, the independent variable is the room air pressure. The dependent variable is the outer diameter of the balloon, which reduces with time. This is determined by using a ruler and 2 wooden blocks to measure the diameter of the balloons. The constants (control variables) are the temperature in the room, the humidity level in the room and the type of gas used to inflate the balloons. *The experiment is carried out in an air-conditioned room to maintain a constant temperature and humidity. It is performed on the ground floor, 30th storey and 60th storey of a .....
Search science fair projects Browse science fair projects
Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.
Copyright (C) 2020 All Science Fair All Rights Reserved. Site
All Science Fair Projects Homepage