Science NCFE #4

Which is needed for hurricanes to form off the west coast of Africa?

• very shallow water

• very deep water

• moving water

• warm water

Tags

NGSS.MS-ESS2-6

Which direction do winds blow in jet streams on Earth?

• from east to west

• from west to east

• from south to north

• from north to south

Tags

NGSS.MS-ESS2-6

A rotating high wind that is in contact with the ground and has extremely low pressure is considered which type of storm?

• blizzard

• hurricane

• thunderstorm

• tornado

Weather patterns in the United States are mainly affected by the polar jet stream and the subtropical jet stream. During times when the subtropical stream is mainly positioned over the Pacific Ocean, many southern states will experience which weather condition?

• El Niño

• La Niña

• occluded front

• stationary front

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Above is a simplified weather map of the continental United States.

• As a cold front moves, the colder, more dense air moves below the warmer air, and this causes storms.

• As a cold front moves, the colder, more dense air moves above the warmer air, and this causes storms.

• As a cold front moves, the colder, less dense air moves below the warmer air, and this causes storms.

• As a cold front moves, the colder, less dense air moves above the warmer air, and this causes storms.

Tags

NGSS.MS-ESS2-5

Which best describes why carrying a box means that work is being done?

• A force is being exerted only on the box.

• The box is moving over a distance without added force.

• No force is being exerted on the box or the person carrying it.

• A force is being exerted over a distance on the box and on the person carrying it.

Which best describes how the average speed is different from constant speed?

• Average speed is the total distance traveled divided by total time regardless of the speed at any given time; constant speed never changes.

• Average speed never changes; constant speed is the total distance traveled divided by total time regardless of the speed at any given time.

• Average speed is total time divided by distance traveled; constant speed never changes.

• Average speed never changes; constant speed is total time divided by total distance.

A farmer sprayed his crops with an insecticide to improve his crop production. Most of the insects died, but a few survived the spraying. Which can be inferred about the offspring of the surviving insects?

• Their offspring will have mutations.

• They will most likely be killed by the insecticide.

• They will most likely be able to survive exposure to the insecticide.

• They will be genetically identical to the insects that were killed by the insecticide.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which organelle is unique to the plant cell?

• Organelle 3

• Organelle 6

• Organelle 4

• Organelle 7

Tags

NGSS.MS-LS1-2

Which gas emission from cars causes the formation of acid rain and photochemical smog?

• carbon dioxide

• nitrogen oxide

• oxygen

• ozone