Strand 1 Test Notes Flashcards
Hazard
The danger associated with a particular object/chemical
Risk
The chance of something happening
Base or Bunsen burner
Prevents the Bunsen from toppling
Collar of Bunsen burner
Controls the amount of air allowed into the Bunsen,also responsible for different flame types
Chimney of Bunsen burner
Raises the flame to a suitable height
Air hole of the Bunsen burner
Allows air to enter the bunsen
Variable
Something that you change or changes in a experiment
Categoric data
Described by a label
Discrete data
A while number
Ordered data
Data can be put into order but not given an actual number
Continuous data
Could have any number
Meaning of astronomy
The study of objects beyond the earths atmosphere
What is the force of gravity
An active force which affects anything with mass
Meaning of mass
The amount of matter an object contains
Meaning of weight
The force of gravity acting on an object
Gravitational field strength
-earth exerts a force of 10N on each mass of 1KG