Energy Conversions

The sequence of energy transformations shown in the diagram explain which event?

• A flashlight is on

• Gasoline burns to power a car

• A candle burns

• Electric current runs a refrigerator

Tags

NGSS.MS-PS3-5

A runner eats breakfast and then he goes for a jog. Which of the following energy transformations occurred during the jog?

• Chemical energy to mechanical energy

• Mechanical energy to chemical energy

• Chemical energy to light energy

• Electrical energy to chemical energy

Tags

NGSS.MS-PS3-5

Put the sequence in the correct order to identify the energy transfers that take place within the circuit.

• Light & Sound Energy

• Chemical Energy

• Electrical Energy

A group of campers create a campfire by burning several wooden logs. Which statement best describes the energy transformations that occur when the logs burn?

• Chemical energy from the wood is converted into light and heat energy

• Heat energy from the logs is converted into chemical and light energy

• Chemical energy from the air is converted into mechanical and light energy

• Heat energy from the air is converted into mechanical and light energy

Tags

NGSS.MS-PS1-2

A battery-powered flashlight is used by a camper so that she can see after dark on a camping trip. What is the correct sequence of the energy transformation that occurs inside the flashlight?

• Electrical Energy

• Light Energy

• Chemical Energy

What sequence correctly illustrates the energy transformation occurring in a battery-powered toy car?

• Mechanical Energy

• Electrical Energy

• Chemical Energy

Tags

NGSS.MS-PS3-5

Rockets are powered by a fuel mixture that is contained within the rocket. What sequence best identifies that energy transfers that take place as the rocket lifts off?

• Thermal Energy

• Chemical Energy

• Mechanical Energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A gasoline-powered car moves forward. Which energy transformation takes place in the car's engine?

• Chemical energy into mechanical energy

• Electrical energy into chemical energy

• Heat energy into chemical energy

• Mechanical energy into nuclear energy

Tags

NGSS.MS-PS3-5

A man stretches a rubber band. Which of the following energy transformations will occur when the man lets go of the rubber band?

• Potential energy to mechanical energy

• Mechanical energy to chemical energy

• Chemical energy to sound energy

• Electrical energy to potential energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5