Answer the question below:   If Mona is comparing sandpaper with notebook paper and she determines that sandpaper is rougher then notebook paper, which object has less friction sandpaper or notebook paper?    Assuming that:  Rougher surfaces have more friction between them than smoother surfaces.
notebook paper

Answer the question below:   Will's pupils grew larger as the night grew darker. This happens to let less or more light in?    Assuming that:  The pupil automatically gets bigger or smaller to let more or less light in as needed.
more

Q: Answer the question below:   If Jon subtracts more weight from his car, he will need to use less or more energy?    Assuming that:  Lighter, more streamlined vehicles need less energy.
A: less

Question: Answer the question below:   Will launches a rocket off the ground. As the speed of the gas that comes from the boosters decreases, the rocket's height reached decreases or increases?    Assuming that:  The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
Answer: decreases

*Question*
Answer the question below:   Compared to a box of feathers a box of bricks would be lighter or heavier?    Assuming that:  A given volume of a denser substance is heavier than the same volume of a less dense substance.
**Answer**
heavier

Q: Answer the question below:   Kathy did some experiments on two different alkanes and one of the alkanes had twice as many carbon atoms than the other. She would notice that which alkane would require a higher temperature to melt alkane with fewer carbon atoms or alkane with more carbon atoms??    Assuming that:  Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
A: alkane with more carbon atoms?