Air & Combustion

Question 1

What are the three components of a fire triangle?

Accepted Answer

Heat, Fuel, Oxygen

Answer

Oxygen, Water, Heat

Answer

Oxygen, Heat, Fuel

Answer

Fuel, Heat, Water

Question 2

What is combustion?

Accepted Answer

A form of oxidation where a fuel combines with oxygen to form Carbon Dioxide, Water and Energy

Answer

A form of oxidation where a fuel combines with oxygen to form Carbon Monoxide, a toxic chemical

Answer

A process where combust is broken down into it's purest form

Answer

Fish tea

Question 3

What is respiration?

Accepted Answer

Oxidation that happens in the cells of living organisms,  burning nutrients and oxygen to produce energy for your body to function

Answer

A form of oxidation happening in the cells of plants, burning nutrients and oxygen to produce energy for it's body to function and photosynthesize

Question 4

True or False: Your body gets extra energy by eating proteins

Answer

true

Question 5

Why do the air sacs have a large surface area?

Accepted Answer

They have a large surface area to allow the (gas/oxygen) to pass easily through the air sac wall to get in and out of the blood

Answer

They have a large surface area so that the oxygen can turn into gas, due to the surface moisture and become carbon dioxide

Question 6

True or False: The air is made up of 21% oxygen

Answer

true

Question 7

Give a use for argon

Accepted Answer

Light bulbs

Answer

Hot air balloon

Answer

The bubbles in fizzy drinks/sodas

Answer

As a compound in fertilizer

Question 8

What is the defendant variable?

Accepted Answer

A dependent variable is what you measure in the experiment and what is affected during the experiment.

Answer

The variable that is modified and changed during the experiment

Question 9

What organic compound is made up of the carbon molecules from photosynthesis?

Accepted Answer

Plant Carbohydrates

Answer

Carbon Dioxide

Answer

Animal Proteins

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