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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

What is the proper name for hipbone?

The proper name for the hipbone is the coxal bone or os coxae.

How can people stay for months in space?

People can stay in space for months by living aboard the International Space Station (ISS), where they have access to food, water, oxygen, exercise equipment, and medical supplies. Regular exercise helps mitigate bone and muscle loss, while advanced life support systems provide a habitable environment. Psychological support and communication with loved ones also help astronauts cope with the isolating effects of long-duration space travel.

Why does cloudy nights have higher temperature than clear nights?

Cloud cover acts as a blanket, trapping heat from the Earth's surface and preventing it from escaping into the atmosphere. This leads to warmer temperatures on cloudy nights compared to clear nights, where heat can escape more easily into space.

Who is the first person who study the ear?

The first person known to have studied the ear in detail was the ancient Greek physician and philosopher, Aristotle. He made significant contributions to the understanding of the anatomy and function of the human ear.

Why do objects appear colourful to us?

Objects appear colorful to us because they reflect or absorb different wavelengths of light. When light strikes an object, the object absorbs certain wavelengths of light and reflects others, which our eyes perceive as color. The color we see is determined by the specific wavelengths of light that are reflected.

How old is 778 days?

778days x 1year/365days = 2.13 years

What can you do with a car window sticker carton of egg piece of wire and any inexpensive hardware items?

Only MacGyver knows.

ok people,if u wanna joke around stop doing this,i want REAL answers,and if u're
just fooling around that's waste of my time ok?? stop doing this.i dont care who the heck MacGyver is...or McDonalds or Macbook..i just want answers to my question:0

What do you need for the experiment of how does air takes up space?

For an experiment on how air takes up space, you will need a container (such as a balloon or a bottle), water, a bowl, a ruler, and a source of heat (like a candle or a lighter). Fill the container with water, heat the air inside the container, observe the water level change as the air expands, and measure the new water level with a ruler to demonstrate that air takes up space.

What is a type of magnifying glass used by horologists?

A type of magnifying glass used by horologists is a loupe. It is a small, specialized magnifying tool that allows for precise inspection and examination of small details on watches and clocks. Loupes come in different magnification strengths to meet the needs of horologists.

How much salary does a nasa scientist have?

The salary of a NASA scientist varies depending on their level of education, experience, and specific role within the organization. Generally, NASA scientists can expect to earn a competitive salary that ranges from around $60,000 to over $150,000 per year.

Will an egg timer work in space?

No, traditional egg timers rely on gravity to work, as they use a mechanism that depends on the flow of sand or liquid downward to measure time accurately. In a space environment where there is no gravity, these mechanisms would not function as intended.

Who is prescillano zamora and what is his work?

Prescillano Zamora was a Filipino revolutionary leader known for his role in the Philippine struggle for independence against Spanish colonization in the late 19th century. He was an active member of the Katipunan, a secret society seeking independence from Spanish rule. Zamora was captured and executed by the Spanish authorities in 1874 for his involvement in the anti-colonial movement.

Why do cloudy nights have high temperatures than clear nights?

Cloudy nights have high temperatures than clear nights because clouds trap heat radiated from the Earth's surface, creating a greenhouse effect that keeps the air warmer. On clear nights, without clouds to trap the heat, it escapes back into space, causing temperatures to drop.

Does Jupiter has hills?

Jupiter is a gas giant composed mostly of hydrogen and helium, so it does not have a solid surface with hills like we see on rocky planets like Earth. Jupiter's atmosphere is dynamic, with swirling clouds and powerful storms, but there are no physical features resembling hills as we know them.

Why is ridding the nose of its hair not advantageous?

nasal hair is there to prevent tiny particles from entering your respiratory system. These particles could cause harm to us. The removal of the hair could result in the entry of these particles.

How does energy from the sun influence weather?

As the SUN heats the air, ground or water it causes many things. With the AIR it causes winds to move from HOT to cold. This is why if you are in the mountains it seems the wind is always blowing. The air is just raising on the side of the mountain. When the ground heats up, it causes an UPDRAFT which lowers the pressure so now you have a low pressure area. This takes moisture up which condenses when it comes into the cold of altitude. If the moisture does not go to high it will fall as rain when the area cools and the pressure rises. This is not GROUND area, it is and area of air so to speak. It moves all over the world. Cool air falls, warm air rises. If this moisture is raised very high it will freeze and you may get some hail. If it falls as fog, mist, you will have ice crystals, = Snow. As the sun heats up water the water will evaporate and raise and if it is cool you will have fog. These currents is what causes a light aircraft to bounce up and down. A more complicated answer for air rising. As the molecule's of all the gasses in air get hot, they speed up, swell up, and move away from each other. This causes empty space, which makes the AREA lighter, less mass, so it raises, goes UP. To visualize this, Make three '3' large circles, O , that touch each other on some paper, then make three '3' very small circles about the size of this PERIOD. Note the space that they take up. Rex

What are some benefits of carbon dating to humans?

Carbon dating is very important. Carbon dating is the radio-activity of Carbon 14 which is unstable so it emits protons once in a while in order to become a more stable isotope. Using Carbon dating, we can determine with accuracy how old something is.

What force sends a rocket to space?

The thrust, which is the force on the rocket due to air. When the fuels are burnt, air (including burnt fuel) is pushed downwards. From Newton's third law, the air exerts an upward force of equal magnitude on the rocket.

How do you get to the observation deck?

To get to the observation deck, take the elevator or stairs to the highest floor of the building. Follow signs or ask staff for directions to the observation deck, where you can enjoy panoramic views of the surroundings.

Give several examples of how animals change their behavior to live in gardens created and occupied by humans?

  1. Some animals, like squirrels and birds, may become more tolerant of human presence and learn to feed on bird feeders or handouts provided by humans.
  2. Other animals, such as rabbits and deer, may adapt their feeding patterns to include plants commonly found in gardens.
  3. Nocturnal animals, like raccoons and opossums, may adjust their activity patterns to take advantage of the food and shelter resources available in gardens without encountering humans during the day.
  4. Some animals, like foxes and skunks, may use gardens as safe corridors for moving between habitats, taking advantage of the cover provided by shrubs and vegetation.

Why is the moon white in colour and the sun yellow?

Sun is a star and self illuminating, where as moon is a natural satellite of earth which is not have self illumination property but the sun light from sun made it illuminate and appears as white in color.

How balloon is similar to rocket?

Balloons and rockets both rely on the principle of buoyancy to move through the air. Both can be filled with gases that are lighter than air to generate lift. However, rockets utilize propulsion systems to generate thrust and move through space, while balloons are typically used for more stationary or atmospheric travel.

Where are the phalanges located in a human body?

Phalanges are located in the fingers and toes of a human body. They are the small bones that make up the digits, with each finger having three phalanges (proximal, middle, and distal) and each toe having two phalanges (proximal and distal).

How balloon and rocket are similar?

They both take off, they both fly, their both made and controlled by humans.

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A number of errors:

-balloons that rise never have oxygen in them because pure oxygen is almost as dense or denser than air and a balloon full of oxygen can never rise. Balloons that rise contain either hydrogen (flammable) or helium (safer).

-though oxygen serves as a type of rocket fuel, it is in a liquid form since gaseous oxygen takes up too much volume to be contained efficiently. Plus, rocket fuel combusts and creates thrust to make the rocket ascend, and rocket fuel certainly doesn't make rockets "float".

The only similarities between a rocket and a balloon is that they both rise through the air. The mechanisms they use to accomplish this is completely different