Fire Safety and Energy Conservation

What is the primary product of combustion in a typical hydrocarbon fuel, such as gasoline or natural gas?

• Water

• Oxygen

• Carbon dioxide

• Nitrogen

Tags

NGSS.MS-PS1-5

Which of the following is NOT one of the fundamental components of the fire triangle?

• Fuel

• Heat

• Oxygen

• Metal

Which type of fire involves flammable liquids and requires a Class B fire extinguisher?

• Class A fire

• Class C fire

• Class D fire

• Class B fire

What does a calorimeter measure?

• Temperature

• Heat energy

• Pressure

• Volume

Tags

NGSS.MS-PS3-4

Which of the following statements about the conservation of energy is correct?

• Energy can be created or destroyed.

• Energy can only be converted from one form to another.

• Energy can be both created and destroyed.

• Energy is not conserved.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In the context of energy conservation, what is the law of conservation of energy?

• Energy can be created or destroyed.

• Energy can only be converted from one form to another.

• Energy can be both created and destroyed.

• Energy is not conserved.

Tags

NGSS.HS-PS3-2

Which type of fire extinguisher is suitable for electrical fires?

• Class A

• Class B

• Class C

• Class D

In calorimetry, what does the term "calorie" measure?

• Temperature

• Heat energy

• Pressure

• Volume

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the primary purpose of a fire extinguisher?

• To cool down a fire

• To remove oxygen from the fire

• To block heat from the fire

• To extinguish or control a fire

Which type of energy conversion occurs when you charge a battery?

• Chemical energy to electrical energy

• Electrical energy to chemical energy

• Mechanical energy to electrical energy

• Electrical energy to mechanical energy

Tags

NGSS.HS-PS3-3