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What are the different ways that energy can be transferred?

There are three methods of energy transfer that we need to learn: conduction, convection, and radiation. 1. Conduction: Heat is thermal energy, and in solids it can be transferred by conduction. Heat is pass...
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Answered by Lois M. • Physics tutor
277838 Views

How can I remember when to use 'être' in the perfect tense?

Etre is the auxiliary that is usually used with verbs that mean ' coming ' or ' going ' in French, as opposed to avoir . You can use the ' DR MRS VANDERTRAMP ' acronym to help you remember: D evenir (to beco...
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Answered by Elizabeth H. • French tutor
4171 Views

What are the different methods of solving quadratic equations?

For your maths GCSE it is important that you understand the three main methods of solving quadtratics: factorisation, completing the square, and using the quadratic formula. 1. Factorisation: The first step ...
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Answered by Lois M. • Maths tutor
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What is the difference between diffusion and osmosis?

Osmosis is the movement of solvent particles (usually referring to water) from an area of low concentration (i.e. lots of water particles) to and area of high concentration (i.e. less water particles and mor...
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Answered by Kaat M. • Biology tutor
8669 Views

When do I use the subjunctive in French?

In French the subjunctive is often described as a mood tense, it expresses things that are subjective; moods, feelings and emotions. The subjunctive is often introduced by 'que' , for example J'ai peur que, ...
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Answered by Kat H. • French tutor
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