answersLogoWhite

0

🎒

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

What causes the different parts of the moon to appear lighted?

The different parts of the moon appear lighted because of sunlight reflecting off its surface. As the moon orbits Earth, the angle of sunlight hitting its surface changes, causing different parts to be lit or in shadow. This results in the different phases of the moon as seen from Earth.

Are humans causing global warming by reflectivity?

Humans are contributing to global warming primarily through the release of greenhouse gases like carbon dioxide. Reflectivity, or albedo, can play a role in climate change by affecting how much sunlight is absorbed by Earth's surface, but it is not the main driver of global warming. The main contributors are greenhouse gas emissions from activities like burning fossil fuels and deforestation.

Why would increased levels of greenhouse gases contribute to higher temperatures?

Increased levels of greenhouse gases trap more heat in the Earth's atmosphere, creating a "greenhouse effect." This leads to higher temperatures as more heat is retained and absorbed by the Earth's surface.

What kinds of rocks leave chalky or powdery markings?

Limestone [CaCO3] makes the most famous chalky powder. (Think White Cliffs of Dover.) Modern chalk for chalkboards is usually made of gypsum [CaSO4 • 2H2O]. It breaks more easily, but it gets the job done. Kaolinite [KAl2Si2O5(OH)2] is another chalky mineral.

How often does the earth go around the sun in one year?

The Earth completes one orbit around the Sun in approximately 365.25 days, which is the length of a year. To account for this extra fraction of a day, we have a leap year every four years with an extra day added to February.

Does all matter experience gravity?

All matter has mass. Gravity is a result of mass. Therefore, all matter, everything experiences gravity. This gravitational force pulls the two objects toward each other.

Source: Holt Science &Technology Forces, Motion, and energy textbook

What is full moon doing as the sun sets?

During a full moon, it appears opposite the sun in the sky. As the sun sets in the west, the full moon rises in the east, making it visible for most of the night. This is because the moon is positioned directly opposite the sun, so as the sun sets, the moon rises.

Which celestial feature is largest in actual size?

The largest celestial feature in actual size is the star UY Scuti. UY Scuti is a red supergiant star located in the constellation Scutum, and it is one of the largest known stars in terms of size. Its radius is estimated to be around 1,700 times that of the Sun.

How was k2 formed?

K2, the second-highest mountain in the world, was formed through the collision of the Indian and Eurasian tectonic plates. This collision caused intense folding and uplifting of the Earth's crust, leading to the formation of the Karakoram mountain range in the region where K2 is located. The mountain is primarily composed of sedimentary and metamorphic rocks that have been uplifted and eroded over millions of years.

Is it possible that a rock could be derived from clay?

Yes, it is possible for a rock to be derived from clay. Clay is a type of sedimentary rock that forms from the weathering and erosion of rocks over long periods of time. Through processes like compaction and cementation, clay can become hardened and turn into a new type of rock.

When lightning strikes 8 km away from you You hear the thunder about 24 seconds after the strike How long after the strike do you see the lightning?

The speed of sound with dry air at 20 °C (68 °F) is 343 meters / second. Performing some simple algebra 8 kilometers * 1000 meters / kilometer * 1 second / 343 meters = 23.32 seconds. So in this case, the air must be a different temperature or be denser due to more water vapor in the air. The speed of light in a vacuum is 299,792,458 meters / second. Performing some simple algebra. 8 kilometers * 1000 meters / kilometer * 1 second / 299,792,458 meters = 0.0000266 seconds.

All about Aurora?

Aurora is a natural light display primarily seen in high-latitude regions around the Arctic and Antarctic. It is caused by the interaction between solar wind and Earth's magnetosphere. Aurora borealis occurs in the Northern Hemisphere, while aurora australis occurs in the Southern Hemisphere.

Is it true when you study earth's interior geologists often rely on indirect such as evidence from fossils?

No. Fossils tell us about what was living at or near the earths surface in the past, they do not tell us about the Earth's interior.

When studying the Earth's interior, geologists look at micro gravity variations (which tell us about density differences in deep rocks), magnetic variations (which tell us a bit about the deep rocks composition) and most importantly seismic records (which tell us about the physical properties of the deep rocks). We also look for deep rocks that have been brought to the surface during the collision of continents (the roots of mountains) and volcanic events (such as diamond pipes).

What are shimmering beams of light that can be seen inthe sky around earths north and south poles called?

Those shimmering beams of light are called auroras. Auroras occur when charged particles from the sun interact with Earth's magnetic field, creating colorful displays of light in the sky near the poles.

If the earth stopped revolving when the northern hemisphere was pointed towards the sun would you have longer nights or days?

All you would have is a day where the Northern Hemisphere was pointed at the sun. The side opposite would be in permanent night. it would have nothing to do with Hemispheres but with which side is pointed to the sun. Alternate: If by 'pointed towards' you mean at the same angle as the current tilt, then the answer would be a little different. But the answer would depend on where you are. Or are you one of the many who assume that the northern hemisphere is the only one? If you are in the northern hemisphere, you would have longer daytime periods than night. It would be opposite in the southern hemisphere.

What holds the specimen for viewing on an microscope?

Stage and Stage Clips

The stage is a platform for the slides, which hold the specimen. The stage typically has a stage clip on either side to hold the slide firmly in place. Some microscopes have a mechanical stage, with adjustment knobs that allow for more precise positioning of slides.

Names of stars called the pleides?

Maori:

Waiti

Waita

Tupu-a-nuku

Tupu-a-rangi

Waipuna-a-rangi

Ururangi

Matariki

Greek:

Alcyone

Atlas

Electra

Maia

Merope

Taygeta

Pleione

What effects do Earths magnetic field and ozone layer have on Earth's ability to support life?

Earth's magnetic field protects life by deflecting harmful solar radiation and cosmic particles. The ozone layer absorbs and scatters the majority of the Sun's ultraviolet radiation, preventing it from reaching the Earth's surface and causing harm to living organisms. Without these protections, life on Earth would be vulnerable to the damaging effects of solar radiation.

What caused the moon's craters?

They are caused by impacts by asteroids, meteors or other moving things in space. They may also be caused by volcanoes erupting from the center of the moon. Many hit the moon because it does not have an atmosphere to protect it like we do.

What color comes between geen and orange?

Yellow Use the acronym ROY G BIV Red Orange Yellow Green Blue Indigo Violet

Examples of artificial light?

Examples of artificial light sources include incandescent bulbs, fluorescent tubes, LED lights, and neon lights. Artificial light is any light produced by humans for lighting purposes, as opposed to natural light sources like the sun or fire.

What are moist cold climates?

Moist cold climates are regions that experience low temperatures with high levels of precipitation throughout the year. These climates are typically found in northern latitudes and are characterized by wet, cold winters and cool, damp summers. Examples of places with moist cold climates include parts of Scandinavia, northern Canada, and Siberia.

What information did geologists use to develop the geologic time scale?

Geologists used a combination of fossil evidence, rock layers, and radiometric dating techniques to develop the geologic time scale. Fossils provide a record of past life forms, while rock layers indicate the relative ages of different geological events. Radiometric dating allows for assigning numerical ages to specific rock formations.

Which resources are commonly hosted by sedimentary deposits or rocks?

Common resources hosted by sedimentary deposits or rocks include coal, oil, natural gas, uranium, and groundwater. These sediments can also contain valuable minerals such as iron, copper, and salt deposits. Organic materials like plant debris or marine organisms are often preserved in sedimentary rocks, leading to the formation of fossil fuels.