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Zoology Science Fair Project

Ants and Their Food Preferences

Ants and Their Food Preferences | Science Fair Projects | STEM Projects
Let's find out which flavor ants like best! We'll set up a terrarium with a suitable habitat for the ants, prepare different solutions, and observe which flavor they prefer.


The hypothesis is that the ants will prefer a sweet flavor over the other flavors: sour, salty, bitter, and control (water).

Method & Materials

You will prepare a terrarium with a suitable habitat for the ants, prepare different solutions, and observe which flavor they prefer.
You will need 200 ants, 1 loaf of white bread, 1 glass terrarium, 1 digital camera, sand, leaves, 25 squares of tin foil, 1 eye dropper, 1 10 mL graduated cylinder, 1 magnetic stirrer, 1 water bath, 500g deionized water, 1g sodium chloride, 5g sucrose, 0.15g citric acid, and 0.15g caffeine.


The results of the experiment showed that the ants were most attracted to the sweet flavored bread square, but on rare occasions they would visit the sour, bitter, and salty squares. They did not visit the control (water) station often.

Why do this project?

This science project is interesting because it can help people with ants living in their homes to uncover natural, effective ant bait.

Also Consider

Experiment variations to consider include testing different substances and carriers for the different flavors, and testing if ants prefer a sweet liquid to a sweet flavored solid.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

Hey there! Here are some awesome videos about this science project that we think you'll really like. They're not only super fun, but they'll also help you learn more about the science behind the project. So sit back, relax, and get ready to have some fun!!
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