Mitochondria do
Respiration
Unit for frequency
Hz
What gas is released when fossil fuels are burned?
CO2
Producers in a food chain carry out what process?
Photosynthesis
How do you pass your exams?
Revise
Where is the pacemaker in the heart?
Right Atrium
Group 1 elements get more reactive as you go ____________ the group
Down
Increases and decrease the potential difference in the National Grid?
Transformers
How is oil purified?
Fractional distillation
How often do you revise?
A little bit every night
Gonorrhoea and Salmonella are both caused by
Bacteria
Number of carbon bonds in graphite
3
Mass number of a helium nucleus
4
How much of the atmosphere is oxygen?
20-21%
Maroon books
Man who developed the modern periodic table
Mendeleev
How is aluminium extracted?
Electrolysis
What is normal body temperature?
37
Weight, force, acceleration and displacement are all ...
Vectors
I can't be bothered reading how else can I revise?
Cognito/Bitesize/Free science lessons
Copper oxide + Oxygen --> (2)
Copper + Carbon dioxide
Reactions that release heat into the environment
Exothermic
Diabetes is when which organ isn't functioning?
Pancreas
Wave with rarefactions and compressions
Longitudinal
Do I get the grade I deserve?
Yes