Sizes of Cells Flashcards

1️⃣ Familiarise yourself with the flashcards:

• Look through all the flashcards to see what’s on both sides.
• Make sure you understand the information on each card. If something’s unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

• Look at the question or prompt on each card and try to remember the answer before flipping it over.
• Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

• Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
• Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It’s useful to remember specific examples to understand these concepts better.

The metre (m).

How many centimetres are in a metre and how is it written in standard form?

There are 100 centimetres in a metre, written as 1 × 10⁻² m.

What does the prefix ‘milli’ mean and how is 1 millimetre written in standard form?

‘Milli’ means thousandth. 1 millimetre is written as 1 × 10⁻³ m.

How many micrometres are in a metre and how is it written in standard form?

There are one million micrometres in a metre, written as 1 × 10⁻⁶ m.

What is the meaning of ‘nano’ and how is 1 nanometre written in standard form?

‘Nano’ means billionth. 1 nanometre is written as 1 × 10⁻⁹ m.

How do you increase a number by one order of magnitude?

Multiply the number by 10.