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WorksheetsSNC2P 1:A4 The Air You Breathe
Total questions: 16
Worksheet time: 10mins
What makes up almost 80% of the air we breathe?
Oxygen
Argon
Nitrogen
Carbon Dioxide
Methane
Methane is a gas found in out atmosphere. Methane has a chemical formula of CH4 - what does this mean?
One methane molecule 1 carbon atom and 4 hydrogen atoms
One methane molecule has 4 carbon atoms and 4 hydrogen atoms
One methane molecule has 1 calcium atom and 4 helium atoms
One methane molecule has 4 calcium atoms and 4 helium atoms
What is the chemical formula for carbon dioxide?
CO
CaOx
CO2
C2O
Oxygen enters your body through your nose and mouth and then travels down your __________.
trachea
esophagus
lungs
stomach
These are tiny air sacs in your lungs.
alveoli
trachea
bronchioles
sacs de air
These carry oxygen and carbon dioxide in the blood
white blood cells
red blood cells
kidneys
capillaries
As blood passes through the alveoli, red blood cells trade ________ molecules for fresh O2 molecules.
CO2
CO
H2O
H2SO4
The process of exchanging gas in the lungs is called.
osmosis
diffusion
mitosis
magic
Identify the 4 main chambers of a human heart (this question requires 4 answers from the list below)
right atrium
left atrium
left ventricle
right ventricle
aorta
These vessels carry blood toward the heart.
arteries
capillaries
veins
red blood cells
This chemical reaction happen in the cells of your body to keep them alive and perform their functions
photosynthesis
cellular respiration
cellular mitosis
oxidative phosphorolation
Cellular respiration requires these reactants ...
glucose and oxygen
carbon dioxide and water
fat and oxygen
protein and oxygen
This part of your heart pushes blood to your lungs
right atrium
left atrium
right ventricle
left ventricle
The reactants of cellular respiration are ...
carbon dioxide (CO2), water (H2O) and energy
glucose (C6H12O6) and oxygen (O2)
carbon dioxide (CO2)
glucose (C6H12O6)
How many atoms are in one molecule of glucose (C6H12O6)?
6
12
18
24
1
Carbon monoxide creates a dangerous situation when
it attaches to your red blood cells instead of oxygen
gas burning appliances like bar-b-ques are used indoors
an indoor furnace or fireplace is malfunctioning
smoke detectors are malfunctioning
