Candles

What substance turns into gas and burns?

• wax vapor

• wick

• solid wax

• hydrogen in the air

Tags

NGSS.MS-PS1-4

What colours are the outer zone of the flame? (Pick two)

• Colourless

• Blue

• Red

• Orange

Which is NOT a requirement for a flame to burn?

• Heat

• Fuel

• Hydrogen

• Oxygen

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

The condition which are required for combustion to take place are:

• fuel

• heat

• oxygen

• all of these

Why are some flames only blue?

• they burn too hot to produce a red flame

• there is no fuel to burn

• the fuel source and speed determines the colour

• There are no only blue flames

What product burns in a candle?

• Fragrance

• Hydrogen

• Oxygen

• Wax Vapor

What is Zone A called? (The top label)

• Outside zone

• Upper Zone

• Blue flame zone

• Outermost zone

Tags

NGSS.MS-PS1-4

What is zone B called? (Second label)

• Yellow Zone

• Light Zone

• Middle of the flame

• Luminous Zone

Tags

NGSS.MS-PS3-4

What is NOT a component of a candle

• Wick

• Water

• Wax

• Flame