QUESTION: 169

A solid dissolves more rapidly if the solid's surface area in contact with the water is increased.
Which would result in sugar dissolving more quickly in water?

forming the sugar into large crystals
grinding up the sugar to a powder
using brown sugar rather than white sugar
forming the sugar into a cube
cooling the mixture of sugar and water

Answer(s): B

Reveal Solution Next Question

QUESTION: 170

Which of the following represents the approximate combined use (in quads) of natural gas and oil in 1997?

Answer(s): D

Reveal Solution Next Question

QUESTION: 171

During a clear night, many stars are visible from Earth. During the day, the only visible star is the Sun. Why are other stars not visible during the day?

The stars are on the other side of Earth.
Stars do not shine in the daytime.
The daytime sky is brighter than starlight.
The stars' dark sides are facing us.
The atmosphere reflects starlight during the day.

Answer(s): C

Reveal Solution Next Question

When a cell, such as a red blood cell, is placed in pure distilled water, water will move into the cell, causing it to expand and burst. However, most plant cells, which are surrounded by a tough cellulose wall, will not burst when placed in pure distilled water.
This information indicates which of the following statements about cells?

A plant cell cannot survive in pure distilled water.
Water can dissolve a cellulose wall.
A cellulose wall can resist the expansion of the cell.
A cellulose wall is sometimes found around an animal cell.
A plant cell absorbs more water than an animal cell.

Answer(s): C

Reveal Solution Next Question

Free GED SCIENCE Exam Braindumps (page: 43)

QUESTION: 169

QUESTION: 170

QUESTION: 171

QUESTION: 172