| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.62 |
| Score | 0% | 72% |
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
fourth |
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third |
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first |
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second |
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.
Minerals, vitamins, and fiber are:
micronutrients |
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macronutrients |
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proteins |
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carbohydrates |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
Water freezing or boiling is an example of which of the following?
heating |
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sublimation |
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cooling |
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phase transition |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.
In the Periodic Table of the Elements, atomic number is equal to which of the following?
number of neutrons in the nucleus |
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number of electrons orbiting the nucleus |
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number of protons in the nucleus |
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number of protons + neutrons in the nucleus |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
decrease, stabilize |
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decrease, raise |
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stabilize, raise |
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raise, decrease |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.