# Physical Science Module 7

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• 1.

### The point at which the earth is farthest from the sun is called:

• A.

Perihelion

• B.

Chameleon

• C.

Aphelion

• D.

Obelion

C. Aphelion
Explanation
Aphelion is the correct answer because it refers to the point in the Earth's orbit where it is farthest from the sun. This occurs around July 4th each year. Perihelion, on the other hand, is the point in the Earth's orbit where it is closest to the sun, occurring around January 3rd each year. Chameleon and Obelion are not related to the Earth's distance from the sun, so they are incorrect choices.

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• 2.

### The point at which the earth is closest to the sun is called:

• A.

Perihelion

• B.

Chameleon

• C.

Aphelion

• D.

Obelion

A. Perihelion
Explanation
Perihelion refers to the point in an object's orbit where it is closest to the sun. This term is commonly used in astronomy to describe the position of planets or comets in relation to the sun. It is the opposite of aphelion, which is the point in the orbit where an object is farthest from the sun. Chameleon and obelion are not relevant terms in this context.

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• 3.

### The way in which the rotation of the earth bends the path of winds, sea currents, and objects that fly through different latitudes is called:

• A.

Global Wind Patterns

• B.

Polar Easterlies

• C.

Westerlies

• D.

Coriolis Effect

D. Coriolis Effect
Explanation
The Coriolis Effect is the phenomenon that occurs due to the rotation of the Earth. As the Earth rotates, the paths of winds, sea currents, and objects flying through different latitudes appear to be deflected. This deflection is caused by the Coriolis Effect, which is responsible for the characteristic wind patterns such as the polar easterlies and westerlies. It is an important factor in understanding global weather patterns and navigation.

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• 4.

### Of the three main factors that influence weather, which is mostly responsible for winds?

• A.

Thermal Energy

• B.

Uneven Distribution of Thermal Energy

• C.

Water Vapor in the Atmosphere

B. Uneven Distribution of Thermal Energy
Explanation
Uneven Distribution of Thermal Energy is mostly responsible for winds. When the sun heats the Earth's surface, it does not distribute the heat evenly. This leads to the formation of areas with different temperatures. As warm air rises and cool air sinks, it creates a difference in air pressure. This pressure difference causes air to move from high pressure areas to low pressure areas, resulting in the formation of winds. Therefore, the uneven distribution of thermal energy plays a significant role in the generation and movement of winds.

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• 5.

### What are dark cumulus clouds called?

• A.

Cumulonimbus

• B.

Altostratus

• C.

Cumulus

• D.

Stratus

A. Cumulonimbus
Explanation
Dark cumulus clouds are called cumulonimbus clouds. Cumulonimbus clouds are characterized by their towering vertical development and dark appearance. They are often associated with thunderstorms and can bring heavy rain, lightning, and strong winds. These clouds can extend high into the atmosphere and may have an anvil-shaped top.

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• 6.

### If an area receives a large amount of insolation, is it likely to be warm or cold?

• A.

Warm

• B.

Cold

A. Warm
Explanation
If an area receives a large amount of insolation, it is likely to be warm. Insolation refers to the amount of solar radiation that reaches the Earth's surface. When an area receives a large amount of insolation, it means that it is receiving a significant amount of sunlight and heat from the sun. This leads to an increase in temperature, resulting in warmer conditions in that area.

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• 7.

### In the Northern Hemisphere, are the day lengths greater than or less than 12 hours between the winter solstice and the spring equinox?

• A.

Greater than 12 Hours

• B.

Less than 12 Hours

B. Less than 12 Hours
Explanation
Between the winter solstice and the spring equinox in the Northern Hemisphere, the day lengths are less than 12 hours. This is because during this period, the tilt of the Earth's axis causes the Sun to be at a lower angle in the sky, resulting in shorter days and longer nights. As the spring equinox approaches, the days gradually become longer until they reach 12 hours at the equinox.

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• 8.

### In the Northern Hemisphere, between the winter solstice and the spring equinox, are the day lengths increasing or decreasing during that time?

• A.

Increasing

• B.

Decreasing

A. Increasing
Explanation
During the period between the winter solstice and the spring equinox in the Northern Hemisphere, the day lengths are increasing. This is because after the winter solstice, which is the shortest day of the year, the amount of daylight gradually starts to increase. As we move towards the spring equinox, the days become longer and the nights become shorter, resulting in increasing day lengths.

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• 9.

### Where is the Northern Hemisphere in winter when the earth is closest to the sun?

• A.

Pointed toward the sun

• B.

Pointed away from the sun

B. Pointed away from the sun
Explanation
During winter, the Northern Hemisphere is pointed away from the sun. This is because the Earth's axis is tilted, causing one hemisphere to be tilted towards the sun while the other is tilted away. When the Northern Hemisphere is tilted away from the sun, it receives less direct sunlight and experiences winter. This phenomenon is known as the tilt of the Earth's axis and is responsible for the changing seasons.

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• 10.

### Suppose you are at the equator and want to fire a missile at a target due north of your location.  Would you aim the missile north, northwest, or northeast in order to ensure it hits the intended target?

• A.

North

• B.

Northwest

• C.

Northeast

B. Northwest
Explanation
When firing a missile from the equator towards a target due north, you would need to aim the missile northwest in order to ensure it hits the intended target. This is because the Earth rotates from west to east, causing the target to move eastward as the missile is in flight. By aiming northwest, the missile compensates for the eastward movement of the target, ultimately hitting it accurately.

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• 11.

### Without two specific factors, the global wind patterns would be simple.  They would blow from the poles to the equator.  What two factors shape the global winds into the complex patterns that we actually see?

• A.

Change in temperature along with the Coriolis Effect

• B.

Local winds along with local air pressure

A. Change in temperature along with the Coriolis Effect
Explanation
The global wind patterns are shaped into complex patterns by the change in temperature along with the Coriolis Effect. The change in temperature creates variations in air density, causing air to move from areas of high pressure to areas of low pressure. The Coriolis Effect, on the other hand, is caused by the rotation of the Earth and deflects the path of moving air. These two factors together create the intricate patterns of global winds that we observe.

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• 12.

### What causes the wind in a certain region to be different from what we expect based on the global patterns we see?

• A.

Coriolis Effect

• B.

Change in temperature

• C.

Local Air Pressure

• D.

Local Winds

D. Local Winds
Explanation
Local winds can cause the wind in a certain region to be different from what we expect based on global patterns. Local winds are influenced by factors such as topography, vegetation, and proximity to large bodies of water. These factors can create variations in temperature, air pressure, and wind direction, leading to localized wind patterns that deviate from the global patterns. Therefore, local winds can be a significant factor in causing differences in wind patterns within a specific region.

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• 13.

### An air mass is dry and warm.  What kind of air mass is it?

• A.

Arctic

• B.

Continental Polar

• C.

Continental Tropical

C. Continental Tropical
Explanation
A dry and warm air mass is known as a Continental Tropical air mass. This type of air mass forms over land areas in the tropics or subtropics and is characterized by high temperatures and low humidity. It typically brings hot and dry weather conditions.

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• 14.

### A large body of air with very different pressure, temperature and humidity is called an Air Mass.

• A.

True

• B.

False

B. False
Explanation
An air mass refers to a large body of air with relatively uniform pressure, temperature, and humidity characteristics. It is not defined by having very different pressure, temperature, and humidity. Therefore, the given statement is false.

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• 15.

### A boundary between two air masses is called:

• A.

Stationary Front

• B.

Weather Front

• C.

Occluded Front

• D.

Rain Front

B. Weather Front
Explanation
A boundary between two air masses is called a weather front. Weather fronts occur when two different air masses meet, and they can bring changes in weather conditions such as temperature, humidity, and wind. The interaction between these air masses can cause the formation of clouds, precipitation, and sometimes severe weather events like thunderstorms or tornadoes. Understanding and predicting the movement of weather fronts is crucial for meteorologists in forecasting weather patterns and issuing weather warnings.

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• 16.

### You watch the sky as cirrus clouds form followed by stratus and nimbostratus clouds.  Do you expect a violent rainstorm or a long, lighter rain?

• A.

Violent rainstorm

• B.

Long, lighter rain

B. Long, lighter rain
Explanation
Based on the sequence of cloud formations mentioned, it suggests a gradual progression from cirrus clouds to stratus clouds and then nimbostratus clouds. This indicates a more stable and prolonged weather pattern, rather than a sudden and intense rainstorm. Therefore, the expectation is for a long, lighter rain rather than a violent rainstorm.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Nov 12, 2012
Quiz Created by
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