Managing Anxiety During Chemistry Exams

Exam anxiety is not a character flaw. It is a physiological response to a high-stakes situation, and it affects students at every ability level. A student who scores A* in mock exams can still experience anxiety that drops their performance by a grade in the real exam. The techniques in this guide are for managing anxiety during the exam itself — the practical moment when your heart rate spikes, your mind blanks, and you cannot think clearly despite knowing the material.

For pre-exam preparation and confidence building, see our guide on building exam confidence. For the night before and morning of, see the exam day checklist.

Understanding what is happening

When you feel anxious, your body’s threat response activates: adrenaline is released, heart rate increases, breathing becomes shallow, and blood flow shifts to your muscles (preparing you to run or fight). Your working memory — the mental workspace you need for calculations, equations, and structured answers — narrows. This is why you “blank”: the information is in your long-term memory but your working memory is too overloaded with the stress response to retrieve it.

The good news: this response can be managed. The techniques below do not eliminate anxiety. They reduce it enough that your working memory recovers and you can access what you know.

In-exam techniques

1. The 4-7-8 breathing technique

When you notice anxiety rising (racing heart, tight chest, difficulty concentrating):

1. Breathe in through your nose for 4 seconds.
2. Hold for 7 seconds.
3. Breathe out slowly through your mouth for 8 seconds.
4. Repeat 3-4 times.

This activates your parasympathetic nervous system (the “rest and digest” system), which directly counteracts the stress response. It takes about one minute. One minute invested in calming down is far more valuable than one minute of frantic, unfocused reading.

Do this before starting the paper and whenever you feel anxiety spiking during the exam.

2. The grounding technique

If your mind is racing and you cannot focus on the question in front of you:

1. Press your feet firmly into the floor. Notice the pressure.
2. Press your hand flat on the desk. Notice the temperature and texture.
3. Read the next three words on the page, slowly and deliberately.

This technique interrupts the anxiety loop by forcing your attention to the present moment (physical sensations and specific words) rather than catastrophic future thinking (“I’m going to fail”).

3. Start with what you know

When you survey the paper in the first few minutes, you will see questions on topics you know well. Start with those. Answering a question you are confident about produces a small success signal that calms the anxiety response and builds momentum.

If the first question happens to be on your weakest topic, skip to a question you can answer confidently. Return to the difficult question once you have settled in. There is no rule that says you must answer in order.

4. Write something, anything

The worst thing you can do when anxious is stare at a blank answer space. A blank space reinforces the feeling of helplessness. Write anything related to the question:

• The formula you remember
• A definition relevant to the topic
• A diagram label
• Even “this question is about electrolysis” as a private note in the margin

The act of writing breaks the freeze response. Once you start writing, the relevant knowledge often begins to flow. You can cross out any notes you do not want the examiner to see.

5. Reframe the task

Anxiety makes students think in absolutes: “I have to get this right or I’ll fail.” Reframe the task in manageable terms:

• “I need to find the next mark, not solve the entire paper.”
• “This question is worth 3 marks. I only need to make 3 points.”
• “I have practised this type of question before. The method is the same.”

Small, concrete goals are less threatening than the abstract goal of “doing well.”

6. Take micro-breaks

Between questions (or between parts of a long question), put your pen down for five seconds. Look up from the paper. Unclench your jaw. Relax your shoulders. Take one deep breath. Then look back at the paper.

Five seconds of deliberate relaxation is enough to prevent tension from accumulating across the paper. Tension builds without your awareness: by question 6, your shoulders are by your ears, your jaw is clenched, and your handwriting has deteriorated. The micro-break interrupts this cycle.

Before the exam: preparation that reduces anxiety

The techniques above manage anxiety in the moment. The most effective anxiety reduction happens before the exam:

Simulate exam conditions in practice

Do at least three past papers under full exam conditions: at a desk, timed, closed-book, no phone. The unfamiliarity of exam conditions contributes to anxiety. If you have already sat in a quiet room for 75 minutes answering Paper 4 questions, the real exam feels less foreign.

Build evidence of competence

Anxiety often stems from uncertainty: “What if I don’t know the answers?” Evidence of competence reduces this uncertainty. Track your past paper scores. If your last three scores were 65%, 70%, 75%, you have evidence that you can perform. See confidence building.

Prepare the practical details

Much exam anxiety comes from logistical worries: “What if I forget my calculator?” “What if I can’t find the exam room?” Eliminate these by preparing everything the night before. Pack your equipment, check your calculator, know the room and start time. See the exam day checklist.

Get enough sleep

Sleep deprivation amplifies anxiety. A tired brain is more reactive to stress and less effective at retrieval. Eight hours of sleep the night before the exam is more valuable than two extra hours of cramming.

When to seek help

The techniques in this guide help most students manage normal exam anxiety. If your anxiety is severe — you experience panic attacks, prolonged inability to concentrate, physical illness before exams, or persistent worry that affects your daily life — speak to:

• Your school counsellor
• Your parents or guardian
• A mental health professional

Severe exam anxiety is a recognised condition, and there are effective treatments including cognitive behavioural therapy and, in some cases, accommodations for exam conditions (extra time, a separate room). Your school can apply for these accommodations through Cambridge if a professional assessment supports it.

There is no weakness in seeking help. Managing your mental health is part of managing your exams.