Working Scientifically
Laboratory Safety
Scientific Definitions
Mixtures and Forces
Random
100
A piece of scientific equipment used to measure liquids accurately
Measuring Cylinder
100
With regards to the bunsen burner, which flame is considered clean and which is the dirty flame?
The clean and hotter flame is the blue flame
The dirty or "safety", cooler flame is the yellow flame
100
A process in which two liquids or gases mix
Diffusion
100
Method used to separate solids from liquids
Filtration
100
A group of stars which form a recognisable pattern in the sky
Constellation
200
The particle model of a solid
200
The method of smelling fumes or aromas safely in science is called
Wafting
200
The physical property that measures how much matter is packed into a space.
Density
200
Lever with the fulcrum located at one end, with the load at the other and effort in the centre
Third-class lever
200
Apparent loop-like motion of the planets as seen from Earth
Retrograde motion
300
The variable you are trying to measure. Will change naturally as you change the other variables.
Dependent Variable
300
Name and location of all safety apparatus in the laboratory. Name at least 4 for full marks.
Lab coats, safety glasses, emergency stop button, fire extinguishers, First Aid kit, eyewash station.
300
Any water falling from the sky
Precipitation
300
The end of a magnet
Pole
300
The last level of classification of living things
Species
400
Observations in words only.
Qualitative Observations
400
When lighting a bunsen burner, which order are the steps performed in?
A. Light the match
B. Turn the gas on
C. Place the bunsen burner on the heatproof mat
D. Turn the collar of the bunsen burner so the airhole is completely closed.
C. Place the bunsen burner on the heatproof mat
D. Turn the collar of the bunsen burner so the airhole is completely closed
A. Light the match
B. Turn the gas on
400
Combustion, corrosion, pH, reaction rate are all examples of?
Chemical Properties
400
The amount of matter in a substance
Mass
400
Plants with no vascular tissue that reproduce using spores
Mosses
500
The measurements and observations made in this experiment
Results
500
The first step in any scientific practical
Put lab coat and safety glasses on
Prepare a Risk Assessment
500
A layer of pervious rock from which water can be extracted using a bore or a well.
Aquifer
500
Method used to separate oil and water
Decantation
500
A model of the universe with the Earth at it's centre
Geocentric Model