Investigations 1
In order to get your results, you will need to make observations or take measurements.

Investigations 1

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There are many different words used by scientists to help them understand things. These words are the language of investigations. 'Variable' is one of those words. A variable is a factor in an experiment that can be changed. 'Measure' is another word used by scientists. It's not only things like length or height that can be measured, lots of other things can too, like the number of leaves on a plant or how salty something tastes. When you plan and carry out an investigation, you are being a proper scientist, so it's important to use the right words to describe what you are doing.

What do we call the question you are investigating, or what you are trying to find out?
Your prediction
Your aim
Your method
The variable
A predictions is what you think will happen, a method is how you go about finding things out and a variable is something that can be changed to see how it affects a result
When you carry out an investigation, there are many things (factors) which can change, or vary. What are these factors called?
Some examples of variables are temperature, size, time of day...
What should come at the end of an investigation?
A mind map
An answer to the prediction
A message to your teacher
An investigation should show whether the prediction was right or wrong
Results can be displayed using what?
A table
A graph
A chart
All of the above
Graphs, tables and charts are all good ways to display your results
What does a 'fair test' mean?
Everyone in the group gets to have a go
Everyone's ideas are contributed
Only one variable is changed while the rest are kept constant
Each thing that is being tested is treated fairly
A 'fair test' always means that the person carrying out the investigation only changes one variable
How many variables should you change during an investigation?
If you make more than one change you cannot be sure which has altered the results
What does 'method' mean?
How you decide to display your results
The measurements you take
The design of your poster
A list of steps you will take in order to carry out your investigation
It can be helpful to number the steps in your method
Before you carry out your investigation, what should you make?
A graph
A variable
A prediction
A cup of tea
Before you begin, you should decide what you think your investigation will show
What do we call the items you will need for your investigation?
'Equipment' can also be called 'apparatus'
In order to get your results, you will need to make observations or do what?
Make a poster
Take measurements
Draw a graph
Take photos
You might need to measure the height of something, a distance, the temperature, the volume, mass, or a number of other variables
Author:  Sheri Smith

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