Questions and Answers
What energy conversion occurs in a photovoltaic (PV) cell?
What type of energy conversion occurs in a battery?
Chemical-Electrical
What kind of energy conversion occurs in a bicycle?
Mechanical-Motion
What is the energy conversion in a wind turbine?
Signup and view all the answers
What energy conversion takes place in a handwarmer?
Signup and view all the answers
What type of energy conversion occurs in a lightstick?
Signup and view all the answers
What is the energy conversion in a flashlight?
Signup and view all the answers
What energy conversion occurs in a radiometer?
Signup and view all the answers
What type of energy conversion does a BBQ grill perform?
Signup and view all the answers
What is the energy conversion that happens in the sun?
Signup and view all the answers
What type of energy conversion occurs in a firefly?
Signup and view all the answers
What kind of energy conversion does an athlete perform?
Signup and view all the answers
What is the energy conversion in a car engine?
Signup and view all the answers
What type of energy conversion occurs in a firecracker?
Signup and view all the answers
An endothermic reaction absorbs heat.
Signup and view all the answers
An exothermic reaction releases heat.
Signup and view all the answers
Study Notes
Energy Conversions in Various Devices
- Radiant to Electrical: Conversion occurs in photovoltaic (PV) cells, converting sunlight into usable electricity.
- Chemical to Electrical: Batteries store chemical energy and convert it into electrical energy for powering devices.
- Mechanical to Motion: Bicycles convert the rider's pedaling (mechanical energy) into motion to propel forward.
- Motion to Electrical: Wind turbines harness kinetic energy from wind and convert it into electrical energy.
- Chemical to Thermal: Handwarmers utilize chemical reactions to release heat for warmth.
- Chemical to Radiant: Lightsticks operate through chemical reactions that emit light.
- Electrical/Chemical to Radiant/Thermal: Flashlights convert stored battery energy into light and heat.
- Radiant to Thermal/Motion: Radiometers convert light energy into heat and movement, demonstrating thermal effects.
- Chemical to Thermal/Radiant: BBQ grills convert the chemical energy from fuel into heat and light for cooking.
- Nuclear to Thermal/Radiant: The sun's energy conversion is primarily nuclear, emitting heat and light to Earth.
- Chemical to Thermal/Radiant: Fireflies produce light through chemical reactions involving bioluminescence.
- Chemical to Mechanical/Motion: Athletes convert stored chemical energy from food into mechanical energy for physical activities.
- Chemical to Sound/Mechanical/Electrical: Car engines transform chemical energy of fuel into sound, motion, and electrical energy to operate.
- Endothermic Reactions: Chemical processes that absorb heat from their surroundings.
- Exothermic Reactions: Chemical processes that release heat into their surroundings.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Explore the various energy conversions in this engaging flashcard quiz. Each card highlights a different process, such as radiant to electrical in PV cells and chemical to electrical in batteries. Test your knowledge on how energy transforms in everyday devices and systems.