Welcome to your B6 Quiz 0.2 – Research and Fair Testing

1. 
What is a fair test in science?

2. 
Fill in the blank:

In a fair test, the variable that you deliberately change is called the variable.

3. 
The dependent variable is the one you measure or observe during an investigation.

4. 
Fill in the blank:

Variables that are kept the same during a fair test are called variables.

5. 
Why is it important to repeat measurements in an investigation?

6. 
Fill in the blank:

When you repeat readings, you can calculate the to get a more reliable result.

7. 
A prediction in science should be based on scientific knowledge, not just a guess.

8. 
Fill in the blank:

Finding out information by doing your own experiments is called research.

9. 
What is secondary research?

10. 
Fill in the blank:

Results from an investigation are often organised in a before they are graphed.

11. 
A line graph is a good way to show how one variable changes as another variable changes.

12. 
Fill in the blank:

After collecting and analysing data, scientists write a that explains what the results show.

13. 
In an experiment testing how temperature affects how fast sugar dissolves, which of these is a controlled variable?

14. 
Fill in the blank:

Looking back at an investigation to see what went well and what could be improved is called the investigation.

15. 
A good scientific investigation only needs to be carried out once to be trustworthy.