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Earth Sciences

Earth Sciences is the study of the Earth in terms of Geography, Geology, Geophysics, etc. It combines the use of Sciences such as Biology, Chemistry, Physics and Mathematics to understand the Earth System.

34,763 Questions

How do we know that earth is turning?

We know that Earth is turning because we can observe the sun rising in the east and setting in the west each day. Additionally, the rotation of the Earth results in the Coriolis effect, which influences the motion of objects such as winds and ocean currents.

What are the 4 types of rapid mass movement?

a slump- a curved surface in the land

a creep- sediment and trees lean downhill (slowly)

rockfalls and rock slides- rocks break lose and tumble and fall downhill

mudflow-it flows down a slope and occurs after a heavy rainfall in a area with lose sediment

What type of energy is almost always produced when energy changes forms?

The most common type of energy produced when energy changes forms is heat energy. This is due to the inherent inefficiencies in most energy transformation processes, which result in some of the initial energy being converted into heat.

What is man made solution?

A man-made solution is a product or process created by humans to address a specific problem or need. It often involves using technology, engineering, or innovation to provide a solution that may not exist in nature. Examples include vaccines, smartphones, and renewable energy technologies.

How does running water affect earth?

Running water can erode the earth's surface, shaping landscapes through processes like abrasion and sediment transport. It also plays a key role in nutrient cycling and supports a variety of ecosystems by providing habitats for various organisms. Lastly, running water contributes to the replenishment of groundwater by recharging aquifers.

When its 3 o'clock is it night time or day time?

It depends on what time of year it is, where you are, and whether you meant 3 AM or 3 PM.

How can scientific method be use in solving practical problem?

You need to follow certain procedure to solve a problem using a scientific approach, you may try the steps provided below:

First, know your problem - what is it really that you want to find out or learn?. Second, gather facts about the problem -observe the things and events concerned in the problem. Third, record all observation carefully and plan a tentative answer to the problem, but give no conclusion yet. Fourth, experiment to verify the correctness of your answer and record your findings and results. Fifth, if all experiments and observation lead to a common conclusion, a final answer to the problem may be given.

How long did the earth been alive?

The earth has never been alive. It has been in existence in its present form for about 5 billion years.

Some creatures inhabiting it have and are alive.

How many years is a Earth year?

An Earth year is equivalent to one year on Earth, which is approximately 365 days.

Where does a lateral moraine form?

A lateral moraine forms along the sides of a glacier, where debris is pushed and deposited by the glacier as it moves and erodes the surrounding landscape.

What do you think drives the interaction of the components of the earth?

The interactions of the components of the Earth are primarily driven by various natural processes such as plate tectonics, the water cycle, and the rock cycle. These processes involve the movement and transformation of materials within the Earth's geosphere, atmosphere, hydrosphere, and biosphere, shaping the Earth's surface and influencing its natural systems. Ultimately, the Earth's components are interconnected and work together in a complex and dynamic system.

What are the four subsystems of the earth systems?

The four subsystems of the Earth systems are the atmosphere (gaseous envelope surrounding Earth), hydrosphere (all Earth's water, including oceans and freshwater), lithosphere (outer layer of the Earth's crust and upper mantle), and biosphere (all living organisms and interactions with the other systems).

Why is it essential to earth electrical appliances having metallic body?

if the appliance shorts out (if one or more of the wires inside it come into contact with the outer casing) the electricity will take the shortest route to be neutralised. If there is no earth wire and you touch the shorted out appliance then the shortest route to neutralise the electric charge is through you, and you will be electrocuted. If an earth wire is present then the shortest route to neutralise the current will be through this wire, so you would not be electrocuted if you touched the shorted out appliance.

Is the earth facing toward or away from the sun?

The Earth's position in orbit determines whether it is facing toward or away from the Sun. During daytime in a particular region, that part of the Earth is facing the Sun, while during nighttime, it is facing away.

How humans have impacted the earth?

Humans have impacted the Earth in numerous ways, including deforestation, pollution of air and water, overfishing, habitat destruction, and climate change. These activities have negative consequences for ecosystems and biodiversity, leading to loss of species, altered landscapes, and threats to the overall health of the planet. Actions like implementing sustainable practices and conservation efforts are crucial to mitigate these impacts and protect the Earth's resources for future generations.

What are the expectation in earth science subject?

In Earth science, students are expected to gain an understanding of the Earth's processes, such as plate tectonics, weather patterns, and erosion. They should be able to analyze data, make predictions, and draw conclusions about how Earth functions as a system. Additionally, students are expected to develop an appreciation for the natural world and the importance of environmental stewardship.

How do human activities impacts the air quality?

Human activities impact/effect our air quality. For example, we drive gasoline cars. When the gas exhaust comes out out the car, it goes into the atmosphere; the gas has ozone and maybe methane. It also has carbon. If we get too much of these chemicals into our thin atmosphere, it harms the earth first of all with global warming, and, it harms us because we have to breathe in those poisonous gases everyday. One more example is when people smoke. The smoke not only damages the smoker's lungs, but the smoke that comes out lets other people breathe it in, and we do not want poisonous air inside of us.

Has Earth's climate changed over time?

Yes, Earth's climate has changed over time due to natural variations in the Earth's orbit, solar activity, and volcanic eruptions. However, the current rate of global warming is unprecedented and mainly driven by human activities, such as the burning of fossil fuels and deforestation, leading to an increase in greenhouse gases in the atmosphere.

What makes wind and ocean currents change direction?

Wind and ocean current direction can be influenced by factors such as the Earth's rotation (Coriolis effect), temperature differences, pressure systems, and the geography of the land and sea. These factors can cause the movement of air and water to change direction as they respond to changes in these variables.

Why is air near the Earth's surface warmer?

Air near the Earth's surface is warmer because it absorbs heat from the ground, which in turn is heated by the sun. This process, called conduction, causes the air to warm up near the surface. Additionally, the Earth's surface acts as a heat source, contributing to the warmth of the air in contact with it.

What do scientist believe that when the earth was first formed its crust was made of metamorphic rock?

Scientists believe that when Earth was first formed, its crust was made of molten rock that eventually cooled and solidified into igneous rock. Over time, these rocks were subjected to heat and pressure, leading to the formation of metamorphic rocks, which make up a significant portion of Earth's crust today.

Are mountains a physical or chemical weathering change?

Mountains are typically formed through physical weathering processes such as erosion and tectonic activity. However, chemical weathering can also play a role in breaking down rocks and minerals within the mountain over time.

What is a fact about the core?

The Earth's core is predominantly composed of iron and nickel. It is divided into two parts: the solid inner core and the liquid outer core, which generates Earth's magnetic field. The temperature of the outer core is estimated to be around 4,000 to 5,000 degrees Celsius.

Is the path that a thrown objects follows?

The path that a thrown object follows is called a projectile path, which is determined by the initial velocity and angle of the throw. The object moves in a curved trajectory, influenced by gravity pulling it downward. The shape of this path is typically a parabolic curve.

In the summer is Canada hotter or is the US hotter?

In general, the United States tends to be hotter in the summer compared to Canada. The southern regions of the US experience higher temperatures due to their proximity to the equator, while Canada's cooler climate is influenced by its northern latitude and proximity to the Arctic.