Sol Science

Why is water known as the universal solvent?

• It dissolves all known substances.

• It dissolves only solid substances.

• It dissolves the greatest number of substances.

• It dissolves substances faster than all other solvents.

The graph uses a red line to show the changes in temperature in each layer of the atmosphere. How does the temperature in the stratosphere compare to the temperature in the mesosphere?

• In the stratosphere, the temperature decreases.

  In the mesosphere, the temperature increases.

• In the stratosphere, the temperature increases.

  In the mesosphere, the temperature decreases.

• The temperature increases in both layers.

• There is no way to read the temperature pattern.

Which of the following might happen if precipitation increased within the watershed boundary?

• Some wetlands would disappear.

• Floodplains would dry out.

• Water levels would rise in tributaries, streams, and the water table.

• All of the following.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which energy transformation occurs first in a coal-burning power plant?

• Chemical energy to thermal energy.

• Thermal energy to mechanical energy.

• Thermal energy to electrical energy.

• Mechanical energy to electrical energy.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

A metal spoon was placed in a dish of ice cream and became cool. Which correctly describes the heat transfer process that resulted in the cooling of the spoon?

• Conduction, because the spoon was in contact with the cold ice cream.

• Convection, because the spoon was in contact with the cold ice cream.

• Conduction, because cold air currents affected the temperature of the spoon.

• Convection, because cold air currents affected the temperature of the spoon.

Tags

NGSS.MS-PS1-4

A rocket's upward motion that is caused by the downward force of burning fuel is an example of which of Newton's

Laws of Motion?

• 1st

• 2nd

• 3rd

Two sources of energy that are renewable and available in Virginia are −

• natural gas and wind power.

• coal and hydropower.

• petroleum and solar power.

• wind power and solar power.

Which city is close to a warm front?

• Chicago

• New York

• Denver

• Los Angeles

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following is an example of potential energy?

• A glass jar sitting on a shelf.

• A flag waiving in the wind.

• A ball rolling along a sidewalk.

• A battery powering a radio.

Tags

NGSS.MS-PS3-2

During a fireworks show, a family sees the spray of sparkles from a firework, and a moment later, they hear the pop. Which of these best explains why the pop and spray do not seem to occur at the same time?

• Light and sound travel through air.

• Sounds travels through a vacuum.

• Sound travels slower than light.

• Light and sound travel at the same speed.