QUIZ: Energy Conversions (QZ)

What is the main source of energy for photosynthesis?

• Water

• Soil

• Sunlight

• Air

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NGSS.MS-LS1-6

What do animals obtain when they eat plants?

• Light energy

• Chemical energy

• Electrical energy

• Sound energy

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What is the initial form of energy used in photosynthesis?

• Chemical energy

• Thermal energy

• Light energy

• Nuclear energy

Tags

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What is the chemical reaction in plants that changes light energy into chemical energy?

• Digestion

• Photosynthesis

• Respiration

• Combustion

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What type of energy conversion occurs in a hair dryer?

• Electrical to chemical

• Electrical to thermal

• Electrical to nuclear

• Electrical to sound

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Why are energy conversions important in everyday life?

• They make machines heavier

• They help in heating our homes and getting energy from food

• They reduce the need for energy

• They make machines slower

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What is the role of the fan in a hair dryer?

• It cools down the air

• It moves air across hot wires

• It generates electricity

• It stores energy

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Which device converts electrical energy into sound energy?

• Hair dryer

• Alarm clock

• Light bulb

• Blender

What type of energy conversion occurs in a blender?

• Electrical to thermal

• Electrical to kinetic

• Electrical to light

• Electrical to sound

Tags

NGSS.MS-PS3-5

What is the result of electrical energy conversion in a hair dryer?

• It produces light

• It produces sound

• It produces heat

• It produces chemical energy

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