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The purpose to this activity is to demonstrate to the students the direct affects of pressure and temperature on cloud formation.
Difficulty: Elementary school
Demonstrate and make illustrations that show how viruses can appear as foreign invaders in the blood.
Difficulty: Elementary school
This experiment was performed to ascertain the factors that increase the rate of evaporation of water. The factors under examination for this experiment were the surface area of the body of water, air temperature and air pressure.
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
Difficulty: Middle school
My hypothesis is that when caffeine is consumed in large amounts it will increase the blood pressure.
Difficulty: Middle school
The purpose of this experiment was to determine how two different tempos of music would effect 6th grade boys' blood pressure.
Difficulty: Middle school
Students will determine how and why an egg is able to go into a bottle due to changes in air pressure.
Difficulty: Middle school
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
Dry ice is frozen Carbon Dioxide, or CO2, which is a gas under standard temperature and pressure conditions. The atmosphere contains about .035% of this gas. CO2 is a greenhouse gas, which means it absorbs light at infrared wavelengths. An increase in the concentration of this gas would, some scientists believe, cause an increase in the atmosphere's average temperature. The high concentration
Difficulty: Middle school
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