Laboratory Safety
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
Scientific measurements and observations
Data
Very tiny pores in leaves
Stomata
The 18th group of the periodic table
Noble gases
A layer of the earth that is below the earth's crust
Mantle
The method of smelling fumes or aromas safely in science is called
Wafting
The variable you are trying to measure. Will change naturally as you change the other variables.
Dependent Variable
Cells that carry oxygen from the lungs around the body
Red blood cells
The ability to be hammered or bent into new shapes
malleable/maleability
Rock formed from cooling magma (or lava)
Igneous
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.
Observations in words only.
Qualitative Observations
A smaller part of a cell, found in the cytoplasm and have a variety of important functions
Organelle
Able to be stretched to form a wire
Ductile
The change in direction of a wave as it bounces off a surface
Reflection
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
Data that you have not found through an experiment
Secondary data
Cells that carry information around the body
Nerve cells
The substances formed in chemical reactions
Products
Molten rock that does not reach the earth's surface
Magma
The first step in any scientific practical
Put lab coat and safety glasses on
Prepare a Risk Assessment
A value that is much smaller or much larger than other values in a set of data
Outlier
A small structure in animal cells that may contain waste or chemicals.
Vacuole.
In plant cells, this is a large sap filled structure which stores water, wastes and nutrients.
A chemical reaction where a substance burns in oxygen to produce light and heat
Combustion
Stored energy possessed by an object
Potential Energy