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Topics > Biology > Human anatomy

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Is there a blind spot in a human being's vision and if so, how can we find it?
Is there a blind spot in a human being's vision and if so, how can we find it?

Difficulty: Elementary school

Left-handedness
This survey was conducted to find out typically how many persons in the same age group will be left-handers.

Difficulty: Elementary school

Measuring hair growth rates and fiber strengths under different conditions
I get a few students contacting me looking for ideas on science projects about hair each year. This can be difficult because hair itself is rather uninteresting and does not do much. It doesn't respond to stimuli, it's hard keratinized material, and it's dead. It's like trying to think of something useful to do with nail clippings (which are made of the same material). As adults are obsessed with

Difficulty: Elementary school

Observing blood cells
What are blood cells? What do they look like? What functions do they perform? How can I recognize the different categories? This is a short description of the blood cells and includes a simple experiment which allows you to become familiar with the cells of this precious liquid. The blood consists of a suspension of special cells in a liquid called plasma. In an adult man, the blood is about 1/

Difficulty: Middle school

Our ability to identify natural and synthetic scents
This science fair project was conducted to determine if a person can differentiate between a natural scent and a synthetic scent. The experiment was done with the use of various scents, i.e. rose, banana, orange, lemon, lavender, apple, cinnamon, jasmine, vanilla and strawberry scents

Difficulty: Middle school

Recognition of Facial Expression
How well can you tell the emotional state of another person just by looking at their facial expressions? You may be surprised to find it more difficult than expected, in particular for some emotions such as surprise or fear. In this science project, you will have participants view photographs of people with a variety of facial expressions and have them identify the emotion they are conveying.

Difficulty:

The Golden Ratio: The power of attraction
Our attraction to others may be rooted more in math than in a beautiful smile or pretty eyes. The Golden Ratio is a theory based on the ratio of dimensions of facial features in relation to the dimensions of the face. In this science fair project, you will determine the effects of the Golden Ratio by having participants view photographs of faces and rate their attractiveness.

Difficulty:

This experiment teaches you how to build your own homemade stethoscope and how to use it to measure a person's heartbeat
Over 170 years ago, a man named Laennec invented the first stethoscope. Before your class goes into the Institute's Giant Heart in the BioScience Exhibit stop and see it. It is a wooden tube about 1 inch in diameter and about 10 inches long. This experiment teaches you how to build your own homemade stethoscope and how to use it.

Difficulty: Elementary school

What are the best places on your body to meassure your pulse?
The pulse represents the variation in blood pressure from diastole to systole. During diastole blood pressure falls, but increases after systole as the heart pumps more blood into the arteries. You feel this difference when taking your pulse. Doctors use a device called a sphygmomanometer

Difficulty: Middle school

What does phosphoric acid do to tooth enamel?
The purpose of this experiment was to determine what the effect of different levels of phosphoric acid is on tooth enamel.

Difficulty: Middle school

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