There are different categories ,nitting non-experimental projects. The student does not change a variable. For example, if you were interested in the effect of secondhand smoke babies booties knitting pattern and book interior layout
asthma, you could look at the results (frequency of asthma) after children have nooties exposed to second hand smoke in their natural environment (home). No variable is changed. Make sure you: pick a topic you are interested in studying, show that you understand what you studied, make a model correctly to teach others about your topic. The collection should be science related. The display of a collection could include an actual collection, a report, photographs, graphs and charts, or anything that babies booties knitting pattern
what was learned by doing the collection.