Energy Transformation

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred? 

• The chemical energy stored in the match changed to thermal energy and light energy.   
• The thermal energy stored in the match changed to light energy and chemical energy. 
• The light energy and thermal energy stored in the match changed to mechanical energy. 
• The light energy and thermal energy stored in the match changed to chemical energy. 

Tags

NGSS.MS-PS1-2

The main parts of a working clothes dryer are shown in the diagram.   This appliance dries clothes primarily by converting — 

• electrical energy to heat and mechanical energy 
• mechanical energy to heat and electrical energy 
• electrical energy to heat and light 
• mechanical energy to heat and vaporization 

Tags

NGSS.MS-PS3-3

When a lion eats a zebra and then uses the energy from the zebra to run, the lion’s body converts — 

• chemical energy to mechanical energy 
• electrical energy to chemical energy 
• chemical energy to light energy 
• mechanical energy to chemical energy 

Tags

NGSS.HS-PS3-3

The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon.  What energy transformations occur when propane gas is used to lift the balloon? 

• Mechanical to light to chemical
  
• Chemical to mechanical to thermal 
• Thermal to chemical to light
  
• Chemical to thermal to mechanical 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?

• Chemical to light to electrical
• Mechanical to sound to light
• Thermal to solar to electrical
• Electrical to thermal to light

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• Chemical to light to electrical
• Electrical to light to chemical
• Light to electrical to chemical
• Chemical to electrical to light

Tags

NGSS.HS-PS3-3

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• Chemical to thermal
• Light to chemical
• Thermal to light
• Chemical to electrical

Tags

NGSS.HS-LS1-5

Which of the following shows the energy transformation that occurs when solar panels are used to heat a building?

• Light to thermal
• Chemical to electrical
• Thermal to chemical
• Light to mechanical

As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• solar
• light
• thermal
• mechanical

The diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?

• Electrical to light to chemical
• Light to electrical to chemical
• Chemical to electrical to light
• Chemical to light to electrical