Science Revision Flashcards
When the air hole is open what colour is the flame?
Blue Flame
When the air hole is closed what colour is the flame?
Yellow Flame
What is the first step of lighting a bunsen burner?
Set out equipment and make sure gas tap is off before plugging hose in.
What is the yellow flame?
Safety Flame
What is the hottest part of the flame?
The blue at the top of the flame where it is brightest
Do you have the air hole open or closed when lighting a bunsen burner?
Closed (safety flame)
Name the main equipment that would be used to boil water.
Bunsen burner, tripod, gauze mat, beaker, heatproof mat.
What shape does the gas tap make when turned off?
L
What do you turn to open and close the air hole?
The Collar
What is the dependant variable?
The variable that is measured (numbers)
Independant and Controlled Variables?
Something that is changed and something that stays the same
What is Magma?
A liquid made of rocks and minerals that is kept underground
What are intrusive igneous rocks?
Magma that has cooled in the volcano creating rock like crystals
Why are Igneous rocks also known as primary rocks?
Because they were the first rocks to be formed
