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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

Why is the sky fascinating?

The sky is fascinating because it is ever-changing, offering a canvas of colors and patterns that captivate our attention. It also holds celestial wonders like the sun, moon, stars, and clouds, making it a source of inspiration and wonder for many people. Additionally, the sky connects us to the vastness of the universe and sparks curiosity about what lies beyond our own world.

What does calcite turn into?

Calcite does not undergo a chemical change under normal environmental conditions. However, if exposed to heat, pressure, or chemical alteration, calcite can potentially transform into other minerals such as marble through a process called metamorphism.

How much time it take to reach sunlight to earth?

Light from the sun travels to Earth at a speed of approximately 299,792 kilometers per second (186,282 miles per second). This means that it takes about 8 minutes and 20 seconds for sunlight to reach Earth from the surface of the sun.

What universe do we live in?

Current scientific meaning of the word universe, is that it includes everything. So there is only one universe - The Universe

However the new idea of String Theory is starting to suggest that there may be more than one universe, and so the meaning of the work universe may change in the future. The scientist Brian Greene is one of the leading physicist working on this theory.

Science-teacher

What is Findings or Evidence?

Findings or evidence refer to the information or data obtained through research or investigation that support or refute a hypothesis or claim. These findings or evidence are used to draw conclusions, make decisions, or formulate recommendations based on the observed data.

Which battle's remains are visible from outer space even today?

The Great Wall of China is the battle's remains visible from outer space today.

Is there a color or colors that no one ever seen?

There are no known colors that no one has ever seen. Different cultures may have different ways of perceiving and describing colors, but the visible light spectrum encompasses all colors that the human eye can potentially see.

What do scientists use to launch satellite into space?

Rockets primarily are used to launch satellites into space. Alternatively, the space shuttle is used for very large satellites, but that option will no longer be available when the fleet is retired at the end of 2010.

What are some examples of johari windows?

Examples of Johari windows can include one's public self (known to self and others), hidden self (known to self but not to others), blind self (known to others but not to self), and unknown self (not known to self or others). This model helps individuals understand how information about themselves is shared and how they can increase self-awareness and mutual understanding in relationships.

What are the sources of China rose indicators?

China rose indicators can come from sources such as government reports, economic data releases, industry surveys, and official Chinese sources like the National Bureau of Statistics of China. Other sources may include international organizations, market research reports, and financial institutions that track and analyze indicators related to China rose production, consumption, and trade.

Name the forces that keeps object attached to earth?

1. Gravity - it keeps objects from getting away from Earth into space.

2. Friction - in most places there's friction which keeps objects from sliding all over Earth.

Asexual reproduction does not include?

Asexual reproduction does not include the fusion of gametes from two different individuals. Instead, it involves a single parent organism producing offspring genetically identical to itself through methods like binary fission, budding, or fragmentation.

What is luminous materials?

Luminous materials are substances or objects that emit light on their own without needing an external light source. This could include materials like glow-in-the-dark paint or phosphorescent stickers that absorb light energy and then release it slowly over time. These materials are commonly used for safety, decoration, and entertainment purposes.

Are Most decisions that you make while driving are based on information gathered with your eyes?

Yes, the majority of decisions made while driving are based on visual information gathered through the eyes. This includes observing traffic, road signs, pedestrians, and the overall environment to anticipate and react to potential hazards.

How many tornadoes have been in the world?

Tornadoes have been happening from the beginning from our planet's birth. Since then we have not been able to record the amount because there were no intelligent human life, no recorded written language, and there were tornadoes in areas with no inhabitants. We do not have the exact number of tornadoes that have occurred on this planet. Yet we do have the number of tornadoes average per year in different countries.

Light from the sun travels through space to the earths atmosphere What will light waves do when they move from empty space into matter made up of different gases?

They will slow down slightly compared to their speed in vacuum, they will bend

slightly as they enter the atmosphere, and they will follow a path through it that

continues to curve slightly.

5 examples of non luminous object?

The moon

The Earth

A piece of cloth

Coal

How do you calculate current and voltage passing through light globes?

To calculate current passing through a light globe, you can use Ohm's Law: current (I) = voltage (V) / resistance (R). To calculate voltage across a light globe, you can rearrange Ohm's Law to solve for voltage: voltage (V) = current (I) * resistance (R). Just make sure you know the resistance of the light globe in ohms.

Why is it important for funding bodies to ensure greater accountability?

Ensuring greater accountability in funding bodies helps maintain transparency and trust with stakeholders. It promotes responsible use of resources, improves decision-making processes, and reduces the risk of fraud or misuse of funds. Overall, accountability enhances the effectiveness and impact of projects and programs funded by these bodies.

Why are cnidocytes important?

Cnidocytes are important because they contain stinging cells that cnidarians, like jellyfish and corals, use for defense and capturing prey. The specialized structure of cnidocytes allows them to quickly discharge venomous barbs when triggered by touch or chemical stimuli. This defense mechanism is crucial for cnidarians' survival in the marine environment.

How many months is 320 days?

About 10.51. It depends on what months they are.

The earth exerts a force on every object?

yes.. it does.. and that force is called gravitational force.if anyone wants to overcome the force than a person has to run at a speed of 11.2km/sec...which is known as escape velocity.

How long has Earth been broadcasting radio signals into outer space?

Earth has been broadcasting radio signals into outer space since the early 20th century, when radio technology became widely used. This means that for over 100 years, various radio signals, including TV broadcasts, have been traveling into space at the speed of light.

Is it possible for there to be other worlds besides your own?

It is theoretically possible that there could be other worlds beyond our own in the vast expanse of the universe. Some scientists speculate about the existence of parallel universes or alternate dimensions, but these ideas remain purely theoretical and have not been conclusively proven.

Is space considered absolute zero since nothing can live in it?

No, the temprature in space is roughly -270°C whereas Absolute zero would be −273.15°C. At the point of Absolute zero molecules, themselves, stop moving.

It's close, but not absolute.