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1 | |
Matter and energy are |
| | A) | similar to work and distance |
| | B) | interconvertible |
| | C) | not related to each other |
| | D) | similar to mass and weight |
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2 | |
One millimeter is equal to how many meters? |
| | A) | 103 |
| | B) | 102 |
| | C) | 10-3 |
| | D) | 10-6 |
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3 | |
Which of the following is true? |
| | A) | Mass is the same as weight. |
| | B) | Mass and weight are always proportional to each other. |
| | C) | Weight depends on gravity. |
| | D) | Mass depends on gravity. |
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4 | |
Perform the following calculation, maintaining the correct number of significant figures. Apply scientific notations if necessary: 18567 / 6.9= |
| | A) | 2690.8696 |
| | B) | 2.7 x 103 |
| | C) | 2.69 x 104 |
| | D) | 2.691 x 103 |
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5 | |
Express the following number in scientific notation. Keep all significant digits: 278,000,000,000,000,000,000,000,000= |
| | A) | 2.78 x 1026 |
| | B) | 2.78 x 1027 |
| | C) | 2.8 x 1026 |
| | D) | 2.8 x 1027 |
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6 | |
Perform the following conversion: 2.6 gallons -> ? µ L |
| | A) | 9.841 x 106 microliters |
| | B) | 6.87 x 105 microliters |
| | C) | 6.9 x 105 microliters |
| | D) | 9.8 x 106 microliters |
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7 | |
Which of the following has the greater mass? |
| | A) | 1.25 kg of lead |
| | B) | 1.25 kg of aluminum |
| | C) | 1.25 kg of cotton |
| | D) | 1.25 kg of feathers |
| | E) | none of the above |
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8 | |
A normal heart beats approximately 70 times in one minute. If the total amount of blood circulating in the human body is around 5.00 liters and all this blood goes through the heart in one minute, how much blood runs through the heart in three beats? |
| | A) | 42.0 liters |
| | B) | 0.214 liters |
| | C) | 0.214 quarts |
| | D) | 0.0755 quarts |
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9 | |
Energy is |
| | A) | neither created nor destroyed |
| | B) | transferred between different forms |
| | C) | transferred from place to place |
| | D) | all of the above |
| | E) | none of the above |
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10 | |
Temperature of a substance is |
| | A) | a measure of how much energy a substance has |
| | B) | a measure of the average kinetic energy of its particles |
| | C) | a measure of how much kinetic energy the particles have |
| | D) | a measure of how much potential energy the particles have |
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