Top answers


How do control rods work in a nuclear fission reactor?

In Nuclear Fission, neutrons collide with radioactive atoms (eg Uranium-235) in order to split the atom into two smaller atoms and releasing energy. The more neutrons there are the faster the reaction so to ...
JH
Answered by Jordan H. • Physics tutor
9950 Views

Why does a single slit diffraction pattern occur?

When light passes through a narrow gap it will diffract (spread out). This means the light reaching the screen could have come from anywhere within the slit. If one wavefront passes through the left of the s...
JH
Answered by Jordan H. • Physics tutor
16013 Views

How do I plan a good English essay?

First, make sure you know your content well. If you are writing about a book, or comparing two or more books or poems, make sure you read them (or re-read them) before you start writing so they are both fres...
AB
Answered by Ann B. • English tutor
4011 Views

Why is ATP used as an energy store in cells?

ATP is an unstable molecule therefore it releases the energy stored readily and quickly, this is essential for metabolic processes in the cell such as active transport and protein synhesis. As well as being ...
JS
Answered by Joscelin S. • Biology tutor
24490 Views

What is the passive voice and how is it formed?

In a passive sentence, the thing receiving the action is the subject of the sentence and thing doing the action can be included at the end of the sentence. To form the passive, we use the verb 'être' followe...
RC
Answered by Rachael C. • French tutor
4044 Views