The Science of Fireworks

What is the chemical name of saltpeter?

• Sodium chloride

• Potassium nitrate

• Calcium carbonate

• Magnesium sulfate

What are the three main ingredients mentioned for making gunpowder?

• Honey, sulfur, charcoal

• Potassium nitrate, sulfur, charcoal

• Potassium nitrate, honey, sulfur

• Charcoal, honey, sulfur

What is the main function of potassium nitrate in the mixture?

• It acts as a fuel

• It acts as a stabilizer

• It acts as an oxidizer

• It acts as a binder

Tags

NGSS.MS-PS1-2

What is the role of potassium nitrate in the combustion process?

• It acts as a fuel.

• It acts as a source of oxygen.

• It acts as a catalyst.

• It acts as a coolant.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is charcoal primarily made from?

• Plastic

• Metal

• Wood

• Stone

What is another name for carbon 60?

• Graphite

• Diamond

• Buckyball

• Charcoal

Tags

NGSS.MS-PS1-1

What is the reaction between hydrogen and oxygen commonly known as?

• Combustion

• Photosynthesis

• Electrolysis

• Neutralization

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the molecule formed when two hydrogen atoms join together?

• Helium

• Oxygen

• Hydrogen

• Carbon

Tags

NGSS.MS-PS1-1

What happens when there is an excess of fuel in flash powder?

• The flash is dim

• The flash is bright

• The reaction is slow

• The reaction is cold

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

What is the role of pressure in the demonstration?

• It decreases the temperature

• It increases the reaction rate

• It stops the reaction

• It changes the color of the powder