Energy Revision

Which is NOT a form of energy?

• Thermal or heat

• Electric

• Solar

• Chemical

• Sound

What is the energy transfer from pizza to Ms?

• Chemical Energy to Kinetic Energy

• Electrical Energy to Thermal Energy

• Chemical Energy to Light Energy

• Kinetic Energy to Chemical Energy

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The law of conservation of energy states...

• energy can be created from renewable resources like sunlight

• energy is destroyed by burning fuels

• energy is great for making pizzas

• energy cannot be created or destroyed, only transferred.

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Which is not a form of POTENTIAL energy?

• Elastic

• Chemical

• Batteries

• Sound

What is 15 kilojoules (kJ) in joules (J)?

• 15 000 J

• 1.5 J

• 150 J

• 1500 kJ

Which is FALSE?

• You need energy to breathe

• Plants need energy to grow

• You need energy to run

• You need energy to do your homework

• All of the above are true

Who uses the most energy?

• Someone running a marathon

• Someone sitting and listening in class

• Someone doing their homework

• Someone walking their dog

How do plants get their energy?

• From the soil through their roots

• From the water through their roots

• From kinetic energy

• From sunlight through their leaves

Tags

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How is energy wasted when we turn on a light?

• Electrical energy is transferred to heat energy and light energy is wasted

• Light energy is transferred to heat energy and electrical energy is wasted

• Electrical energy is transferred to light energy and heat energy is wasted

• Chemical energy is transferred to light energy and heat energy is wasted

A roller-coaster is travelling up its track and it gets to the top. What type of energy does it have and what will it be transferred to?

• Elastic Potential Energy to Gravitational Energy

• Gravitational Energy to Light Energy

• Kinetic Energy to Gravitational Energy

• Gravitational Potential Energy to Kinetic Energy

Tags

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