Is BBC Bitesize A Reliable Source?

Which source is the most reliable?

Academic journal articles are probably the most reliable source of current thinking in your field.

To be the most reliable they need to be peer reviewed.

This means that other academics have read them before publication and checked that they are making claims that are backed up by their evidence..

Why is biased information unreliable?

The internet contains a wealth of information . However, much of the information on the internet is either biased in some way or incorrect. … Information that is biased or incorrect loses its value.

How did the universe begin?

Fundamental mysteries According to the standard Big Bang model, the universe was born during a period of inflation that began about 13.8 billion years ago. Like a rapidly expanding balloon, it swelled from a size smaller than an electron to nearly its current size within a tiny fraction of a second.

What does .org stand for?

Public Interest RegistryRegistry website. Public Interest Registry. The domain name org is a generic top-level domain (gTLD) of the Domain Name System (DNS) used in the Internet. The name is truncated from organization. It was one of the original domains established in 1985, and has been operated by the Public Interest Registry since 2003.

What was the first animal on earth?

comb jellyThe evolutionary history of the comb jelly has revealed surprising clues about Earth’s first animal. Earth’s first animal was the ocean-drifting comb jelly, not the simple sponge, according to a new find that has shocked scientists who didn’t imagine the earliest critter could be so complex.

What is red shift GCSE?

Red-shift and speed Astronomers see red-shift in virtually all galaxies. It is a result of the space between the Earth and the galaxies expanding. This expansion stretches out the light waves during their journey to us, shifting them towards the red end of the spectrum.

How was the universe formed BBC Bitesize?

In the distant past most people accepted their religion’s explanation of how the universe began. … Put simply, around 14 billion years ago, all matter and energy in the universe was at a point of infinite density and temperature. It then expanded rapidly, and eventually stars, galaxies and planets formed.

What is the danger of using unreliable websites?

Unreliable websites will give you bad information You can be reading outdated information. It can be written by someone who doesn’t know about the topic.

What is the universe GCSE?

The theory states that about 13.8 billion years ago all the matter in the Universe was concentrated into a single incredibly tiny point. From this tiny point, the whole Universe expanded outwards to what exists today.

Who was the first human?

Homo habilisThe First Humans One of the earliest known humans is Homo habilis, or “handy man,” who lived about 2.4 million to 1.4 million years ago in Eastern and Southern Africa.

When was the first life on Earth?

4.5 billion years agoEarliest life forms The age of the Earth is about 4.54 billion years; the earliest undisputed evidence of life on Earth dates from at least 3.5 billion years ago. There is evidence that suggests life began as early as 4.5 billion years ago.

Do things exist when not observed?

The idealist philosopher George Berkeley argued that physical objects do not exist independently of the mind that perceives them. An item truly exists only as long as it is observed; otherwise, it is not only meaningless but simply nonexistent. The observer and the observed are one.

What is the difference between bias and reliability?

Reliability is the ability of a method or instrument to yield consistent results each time. … Results are biased when they are systematically skewed or distorted.

Is reliable test always valid?

A test can be reliable, meaning that the test-takers will get the same score no matter when or where they take it, within reason of course. But that doesn’t mean that it is valid or measuring what it is supposed to measure. … However, a test cannot be valid unless it is reliable.

What is an example of an unreliable source?

The following are unreliable sources because they require confirmation with a reliable source: Wikipedia: although this is a good starting point for finding initial ideas about a topic, some of their information and attached resources may not be reliable. Blogs, tweets. … Sites that provide biased information.

What are the 3 types of bias?

Three types of bias can be distinguished: information bias, selection bias, and confounding. These three types of bias and their potential solutions are discussed using various examples.

Is .gov a credible source?

gov = Government. If you come across a site with this domain, then you’re viewing a federal government site. … Information such as Census statistics, Congressional hearings, and Supreme Court rulings would be included in sites with this domain. The information is considered to be from a credible source.

How the universe is changing?

Although the expansion of the universe gradually slowed down as the matter in the universe pulled on itself via gravity, about 5 or 6 billion years after the Big Bang, according to NASA, a mysterious force now called dark energy began speeding up the expansion of the universe again, a phenomenon that continues today.

How was the earth created?

Formation. When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust.

Why is test reliability important?

Why is it important to choose measures with good reliability? Having good test re-test reliability signifies the internal validity of a test and ensures that the measurements obtained in one sitting are both representative and stable over time.

What makes a good source?

A reliable source is one that provides a thorough, well-reasoned theory, argument, discussion, etc. based on strong evidence. Scholarly, peer-reviewed articles or books -written by researchers for students and researchers.

How old is the universe?

13.8 billion yearsOur universe is 13.8 billion years old, a timescale much longer than the more relatable spans of hundreds or thousands of years that impact our lived experiences. So how do astronomers arrive at such an enormous number?

Is Org UK reliable?

gov.uk are educational or government websites so are usually reliable. Addresses which end with a . co.uk, .com or . org can be bought and used by anyone but this doesn’t mean they are unreliable.

Is it better to have a .com or co uk?

To answer the question, .com is not necessarily better than . co.uk. If anything, you should stick with . co.uk if your business is primarily for customers in the UK.

What are 5 reliable sources of health information?

health brochures in your local hospital, doctor’s office or community health centre. telephone helplines such as NURSE-ON-CALL or Directline. your doctor or pharmacist. reliable health information websites, such as government sites, condition-specific sites, support organisation sites, and medical journals.

Where did all life come from?

The earliest known life-forms on Earth are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.

Does the universe have an end?

The end result is unknown; a simple estimation would have all the matter and space-time in the universe collapse into a dimensionless singularity back into how the universe started with the Big Bang, but at these scales unknown quantum effects need to be considered (see Quantum gravity).