Scientific investigations

2. Used as a vessel for chemical reactions that do not need to be heated
3. You must include these in the column headers of results tables
5. tube Used as a vessel for chemical reactions that need to be heated
6. Used to protect the bench from hot items
10. An average calculated by adding all the values and dividing by the number of numbers
11. The hottest flame on a Bunsen
12. All the equipment that you will use
13. When we do the same experiment at least three times to check the accuracy of results
14. Used to measure the mass of objects
16. A mesh grid used to suspend items over a Bunsen flame
19. Variable that you measure in the investigation
20. Used to heat objects in a lab
21. Name of the flame on a Bunsen that is orange

1. A prediction, based on scientific evidence, for an investigation
4. A stand used to support objects over a Bunsen
7. A way of identifying any dangers, how you will prevent harm and how you will treat harm
8. A result within a set of repeats that is very different to others
9. Used to measure the volume of liquids
15. A simple set of instructions that tell you what to do
17. Variable that you change in the investigation
18. Variables that you keep the same in the investigation