Energy Transformation

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

• 2-5 %

• 25-30 %

• 50%

• 80%

Tags

NGSS.HS-PS3-3

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

Tags

NGSS.MS-PS2-2

Which energy transformation occurs when a butane lighter is lit?

• thermal energy to electrical energy

• electrical energy to nuclear energy

• chemical to heat energy

• mechanical energy to chemical energy.

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

• Chemical energy is converted to kinetic energy.

• Electrical energy is converted to nuclear energy.

• Heat energy is converted to potential energy.

Tags

NGSS.MS-PS3-5

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

• wind

• ocean currents

• sun

• electricity

Tags

NGSS.MS-LS1-6

What is the scientific term describing what happens when force is applied to an object over a distance?

• current

• energy

• work

• heat

Which of the following is a fossil fuel?

• natural gas

• nuclear energy

• sun

A ball being tossed into the air is an example of which energy transformation?

• chemical to mechanical

• potential and kinetic

• radiant to electrical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Light energy is also known as _________.

• kinetic

• chemical

• radiant

• thermal