Cool Human Body Science Fair Project Ideas
What effect does exercise have on your appetite?
Does caffeine have an effect on your reaction time or other physical abilities?
Can you tell the difference between various soft drinks without using your sense of smell?
Does hair color have an affect on the speed at which it grows?
Is the speed at which your hair grows related to temperature?
Does an increase in heart speed heighten your senses?
Research family traits such as hair color and height.
Do wounds heal faster with or without band aids?
What are some of the characteristics of human saliva?
What effect does age have on various physical skills? (Sight, reaction time etc)
What would be worse for your health, licking a toilet bowl or a coin?
Does looking at a computer screen have an affect on your short term eye sight?
How much heat does a human produce?
Study different techniques for improving short term memory.
If age affects memory, at what point does your memory start to get worse?
Why do we use toothpaste when we brush our teeth?
What kinds of television shows affect your heart rate the greatest?
Is there a relationship between your fitness level and the chances of catching a cold?
Are you more likely to get sick if you are stressed?
Is there such thing as an optimal amount of sleep?
Does taking a nap during the afternoon improve your concentration during the evening?
Do hot drinks make your digestive system work better?
Why do humans cry?
Is one of your eyes stronger than the other?
Research if there are any relationships between gender and various types of allergies.
What seasons are the most common for catching a cold or flu?
Are tanning beds dangerous for your health?
Do you breathe in chalk particles while wiping a blackboard?