Search our library of KS3 questions

Top answers

All subjects

KS3

Why is Respiration important for living organisms? (3)

Respiration releases Energy(1), Energy in the form of ATP(1) and this is needed for life of an organism to bring about various moments and growth (1).

Answered by Holly L. • Biology tutor

8211 Views

How do I conjugate a present tense verb ending in er?

Firstly when a verb is not conjugated (ie. to go rather than I go) , this is known as the infinitive. In french an example could be

Answered by Matthew H. • French tutor

1692 Views

What is osmosis?

Osmosis is a process whereby molecules of a higher concentration go to an area of a lower concentration. For instance, if you have a bag made of porous material, such as cellulose, you fill it with orange...

Answered by Enderjeet K. • Biology tutor

3597 Views

3/8 is equivalent to ?/24. Find the missing number.

Firstly, we work out what the fraction has been multiplied by. Since the bottom of the fraction is 24, we want to see how many 8's fit into 24. The answer is 3, since 8 multiplied by 3 is 24.Since the bot...

Answered by isabella B. • Maths tutor

21423 Views

How can I factorise x^2 - 7x + 12?

So firstly, you want to split the equation into the format of a^2 + bx + c, so you know what a, b and c equal. a = 1b = -7c = 12 Now, you need to try to split the equation into the format (x + ?)(x + ?). ...

Answered by Georgia D. • Maths tutor

3579 Views