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Why do different metals burn with different colors?

This is because when the metals are heated (burned), their electrons can briefly 'jump' from lower energy electron shells to higher energy electron shells. This requires energy to happen, and light is not...

Answered by Frank L. • Chemistry tutor

8085 Views

What is the difference between HTML, CSS and JavaScript

HTML, CSS and JavaScript are the building blocks of the internet which are used to build all the websites around. HTML, or Hyper Text Markup Language, defines the layout of a webpage (where the headings g...

Answered by Domantas J. • Computing tutor

2478 Views

How do I structure an A-Level History essay?

The first thing you need to do is ensure you answer the question. For example if the question was: “THE MAIN CAUSE OF REBELLIONS IN THE YEARS 1536 TO 1558 WAS RELIGIOUS DISAGREEMENTS” ASSESS THE VALIDI...

Answered by Ruby P. • History tutor

3632 Views

How do I step my answers up from GCSE to A level?

Although A-level English can seem a lot harder, it really does build off of what you already know and can already do, so don't panic! Whereas in GCSE examiners are looking for your perceptive thoughts bas...

Answered by Ria M. • English Literature tutor

3426 Views

How do I multiply fractions?

This is simpler than you think when you break it down. Just multiply both the numerators (the top number of your fraction) together for the new numerator of the fraction in your answer. Then do the same f...

Answered by Ria M. • Maths tutor

3123 Views