Which from the following is NOT a method of heat transfer?

A. Conduction
B. Convection
C. Radiation
D. All are methods of heat transfer (more…)

There are _____ methods of heat transfer.

A. 3
B. 4
C. 5
D. 6

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The unit used to measure ‘Pressure’ is_____.

A. pascal
B. newton
C. watt

D. tesla

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The device used to measure movements of the heart is_____.

A. Cardiograph
B. Seismograph
C. Hydrometer
D. Hygrometer

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The guitar has ______ strings.

A. 4
B. 5
C. 6
D. 7

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Sound waves from a loudspeaker are caused by_____.

A. frequency
B. vibrations
C. pitch
D. amplitude

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The number of oscillations per second is called the_____.

A. hertz
B. waves
C. pitch
D. frequency (more…)

The first chemical explosive, Gunpowder, is a mixture of_____.

A. Sulfur, Charcoal and Nitrogen Oxide
B. Sulfur, Charcoal, and Potassium Nitrate
C. Sulfur and Charcoal
D. Charcoal and Potassium Nitrate

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Mitochondria contain their own supply of_____.

A. DNA

B. Amino acids
C. Vitamins
D. Oxygen

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______ are called the powerhouses of the cell.

A. Mitochondria
B. Vesicles
C. Lungs
D. Liver

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