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Over 1000 FREE Science Fair Project Ideas!

This experiment was conducted to find out how drinking caffeinated coffee will affect the alertness of an individual. The level of alertness of the test subjects will be measured by the number of balloons burst by throwing darts.
Difficulty: Elementary school
Difficulty: Elementary school
Students in the primary and intermediate grades will: 1. Recognize that breathing is a necessary, automatic life process; 2. Observe and record data on respiration rate; 3. demonstrate how air enters and leaves the lungs; 4. Observe how respiratory rate changes with different activities; 5. Use counting as a means of gathering data.
Difficulty: Middle school
The iris is the muscle that lets the proper amount of light through the pupil and into the eye. It opens when there is little light and closes when there is a lot. The students can illustrate this for another.
Difficulty: Elementary school
There are a lot of things our eyes have to do perfectly for us to have perfect sight. If just one of those things is not quite right, we need glasses. But the glasses have to be made just for you and your unique eyes. Eyeglasses work by bending light beams so that they meet right at the back of our eyeballs on the retina (RET-in-ah). The retina changes light into signals that go to the brain.
Difficulty: Elementary school
Many of the experiments detailed below require that a blindfold be used. Keep in mind that some people do not like to be blindfolded...you could ask them to keep their eyes closed, but don't count on them having their eyes closed for a very long time. Also, some people are very sensitive to smells, so be careful.
Difficulty: Elementary school
I wanted to know if SPF matters when you buy sun block. For example, does a CVS brand 30 sunblock work better than a CVS brand 15 sunblock? I also wanted to know if higher priced sunblock works better than lower priced sunblock of the same SPF? My hypothesis was that the higher the SPF the better it would protect and that higher priced sun block would work better than lower priced.
Difficulty: Elementary school
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
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
Blood pressure varies relative to heart's pumping of blood. The heart should be thought of as a dual pump, with a right and left side. Systole represents the active pumping of blood from the ventricles into the circulation. The right side of the heart takes venous/returning blood from the body and sends it to the lungs to be oxygenated (pulmonary circulation). Measuring blood pressures on the righ
Difficulty: Middle school
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