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Measure Accurately

In this worksheet, students will study a variety of scientific equipment and learn how to use each piece accurately, as well as how to handle experimental data.

'Measure Accurately' worksheet

Key stage:  KS 3

Curriculum topic:   Working Scientifically

Curriculum subtopic:   Measurement

Difficulty level:  

Worksheet Overview

If you are shooting an arrow at a target, is it better to be accurate or consistent?

Surely as an archer, you want to be accurate, right? You want to hit that bulls’ eye!

Some people would rather the archer hit the same place each time at least that way she or he is reliable.

 

Scientific investigation is similar, only with equipment, not deadly arrows.

Do you go for equipment that will inform you of the accurate results or do you go for equipment that will give you a small grouping of answers? This is what we will be looking at in this worksheet.

 

There is a variety of scientific equipment and apparatus for each scientific experiment. Each needs to used properly so that the measurements taken are accurate. You will be presented with a variety of situations related to using scientific apparatus and handling data.

 

Two students looking at a measuring cylinder.

 

It is essential that scientific data are both accurate and precise: 

Accuracy is how close to the true value of a quantity the measurement is.

Precision is the degree to which the results recorded will be the same if the experiment is to be reproduced under the exact same conditions.

 

Now it's over to you. Turn back to the introduction whenever you need.

 

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