Campfire Quiz

What is fire's sensory experience of a chemical reaction called?

• Gas

• Solid

• Combustion

• Liquid

What is the temperature range at which fuels like wood and paper burn?

• Tens of thousands of degrees

• Thousands of degrees

• Hundreds of degrees

• Below a hundred degrees

What causes molecules to emit light in a fire?

• Heat

• Gravity

• Fuel

• Oxygen

What color are the hottest flames in a fire?

• Orange

• Yellow

• White

• Blue

What type of atoms from the logs emit yellow-orange light in a fire?

• Nitrogen

• Carbon

• Hydrogen

• Oxygen

What happens when even the hottest fires run out of fuel or oxygen?

• They explode

• They disappear

• They turn blue

• They hiss

What is the primary role of combustion in a fire?

• Creating light

• Generating heat

• Producing smoke

• Releasing gases

What is a chemical reaction?

• A chemical reaction is a mathematical equation.
• A chemical reaction is a biological process.
• A chemical reaction is a physical change in matter.
• A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

What are stomatas?

• Stomatas are structures that store nutrients in plants.
• Stomatas are small pores on the surface of leaves for gas exchange.

Why are leaves darker on the top?

• Leaves are darker on the top due to the presence of more water.
• Leaves are darker on the top due to the presence of more chlorophyll.