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How to design an experiment for an exam question?

Identify what type of 'experiment' the question is asking forIdentify key factors of an experiment:what is the aim/hypothesis of the experiment?what features need to be considered: number of Participants,...

Answered by Helena S. • Psychology tutor

3335 Views

What important things should one consider when writing a melody?

Firstly, consider the shape of your melody - this is the most memorable aspect.Secondly, when combining a melody with chords, make use of tension and resolution around chord changes. A note which is a cho...

Answered by Michael B. • Music tutor

3356 Views

How do I find the roots of a quadratic equation?

A quadratic equation has the form ax² + bx + c Our goal is to find values of x such that ax² + bx + c = 0These values of x are known as the "roots" of the quadratic.

Answered by Zach T. • Maths tutor

2689 Views

Explain the lock and key model of enzyme action, including how they are denatured. [6 marks]

The first step is to read the question and ensure that the student understands all of the terminology. For example, make sure the student knows what is meant by ‘explain’, ‘enzyme’, and ‘denatured’. Then ...

Answered by Bryony H. • Biology tutor

11378 Views

What is comparative advantage?

Comparative advantage is when a firm or country can produce a good at a lower opportunity cost than another firm or country. Opportunity cost refers to the value forgone when alternative is chosen. By cou...

Answered by Talia S. • Economics tutor

3314 Views