PS7 Energy Transformation

What causes the chemical and physical changes to remains when fossil fuels, such as coal, petroleum, and natural gas are made?

• heat
• pressure
• both heat & pressure 
• neither heat & pressure

Tags

NGSS.HS-PS1-4

According to the table, burning natural gas to operate a power plant is an example of:

• Potential Kinetic
• Chemical Radiant
• Chemical Thermal
• Radiant Electrical

Tags

NGSS.HS-PS3-4

A ball being tossed into the air most closely matches which example of energy transformation from the table? 

• turning on the batteries of a flashlight
• a porch light
• winding a watch
• a vase falling off a shelf

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Car engines operate using gasoline. Which of these is the main energy transformation as the fuel is used by the engine?

• Heat energy is converted to potential energy.
• Kinetic energy is converted to electrical energy.
• Chemical energy is converted to kinetic energy.
• Electrical energy is converted to kinetic energy.

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-2

Chemical energy in fossil fuels is most often released by what process?

• boiling
• mining
• burning
• refrigeration

Tags

NGSS.HS-PS1-4

Which energy transformation occurs when a butane lighter is lit?

• chemical energy to heat energy
• electrical energy to kinetic energy
• potential energy to electrical energy
• electrical energy to heat energy

Tags

NGSS.HS-PS1-4

What percentage of the energy from gasoline in a car is transformed into motion?

• 25-30%
• 5-10%
• 60-75%
• 45-55%

Tags

NGSS.HS-PS3-3

Light energy is also known as _________ energy.

• radiant
• thermal
• kinetic
• chemical

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

How do skateboarders compensate for the friction they encounter in a half-pipe?

• They hunch down as close as they can to their board
• They stand straight up
• They use their own energy by straightening their legs for extra push
• They use their own energy by bending their legs for little push 

What source of energy is necessary to begin the process of photosynthesis? 

•  the wind
• the sun
• ocean currents
• green plants

Tags

NGSS.HS-LS1-5