The more efficient a device is, the greater the percentage of usable energy it produces.  Having read the above passage, choose the right answer to the following question (choices are little energy or a lot of energy ):   A very efficient pair of solar panels will produce little energy or a lot of energy?
a lot of energy
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Water becomes more dense when it is colder and when it has more salt.  Having read the above passage, choose the right answer to the following question (choices are more or less ):   Water found on Earth's hot regions is more or less dense that water found on Earth's cold regions?
less
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The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.  Having read the above passage, choose the right answer to the following question (choices are increases or decreases ):   Jeffrey subtracted more and more dough to the recipe. As he subtracts more, the force of attraction the dough is capable of increases or decreases?
decreases
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The faster, longer, and farther the wind blows, the bigger the waves are.  Having read the above passage, choose the right answer to the following question (choices are harder or softer ):   Dan is on a ship, and sees that the waves are getting small! Dan can deduce that it means that the wind is blowing harder or softer?
softer
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