Mechanical to Electrical Energy Practice exercise 2

Study the diagram below and answer the question that follows:What energy transformation takes place when the crank is turned to light the bulb?

Study the diagram below and answer the question that follows. What energy transformation takes place when the crank is turned to light the bulb? (1 mark)

Study the diagram below and answer the question that follows. What energy transformation takes place when the crank is turned on to light the bulb? (1 mark)

What is the main form of energy at the beginning of the energy transformation in a hydroelectric power plant?

What is the main form of energy at the beginning of the energy transformation in a hydroelectric power plant? (1 mark)

What is the main form of energy at the beginning of the energy transformation in a hydroelectric power plant? (1 mark)

What is the main form of energy at the beginning of the energy transformation in a hydroelectric power plant? (1 mark)

What type of energy transformation takes place when you turn the handle of a hand crank radio?

What type of energy transformation takes place when you turn the handle of a hand crank radio? (1 mark)

What type of energy transformation takes place when you turn the handle of a hand crank radio? (1 mark)

In a wind turbine, which part rotates to help transform mechanical energy into electrical energy?

In a wind turbine, which part rotates to help transform mechanical energy into electrical energy? (1 mark)

In a wind turbine, which part rotates to help transform mechanical energy into electrical energy? (1 mark)

What happens when you pedal a bicycle with a dynamo connected to the headlight?

What happens when you pedal a bicycle with a dynamo connected to the headlight? (1 mark)

What happens when you pedal a bicycle with a dynamo connected to the headlight? (1 mark)

Emma is designing a playground generator that children can use by running on a treadmill to power LED lights. The lights are very dim even when children run fast. What change would most likely solve this problem?[Children running] → [Treadmill] → [Generator] → [Dim LED lights]

Emma is designing a playground generator that children can use by running on a treadmill to power LED lights. The lights are very dim even when children run fast. Using the illustration below, What change would most likely solve this problem? (1 mark)

Emma is designing a playground generator that children can use by running on a treadmill to power LED lights. The lights are very dim even when children run fast. Using the illustration below, What change would most likely solve this problem? (1 mark)

Emma is designing a playground generator that children can use by running on a treadmill to power LED lights. The lights are very dim even when children run fast. Using the illustration below, What change would most likely solve this problem? (1 mark)

Jake's remote-controlled car has a dead battery. He remembers that the car has a small generator inside. What should he do to get the car working again?

Jake's remote-controlled car has a dead battery. He remembers that the car has a small generator inside. What should he do to get the car working again? (1 mark)

Jake's remote-controlled car has a dead battery. He remembers that the car has a small generator inside. What should he do to get the car working again? (1 mark)

Jake's remote-controlled car has a dead battery. He remembers that the car has a small generator inside. What should he do to get the car working again? (1 mark)

Maya builds a water wheel generator for her science project. She tests it with slow-flowing water and fast-flowing water. Which design change would help her generate the most electricity?

Maya builds a water wheel generator for her science project. She tests it with slow-flowing water and fast-flowing water. Which design change would help her generate the most electricity? (1 mark)

Maya builds a water wheel generator for her science project. She tests it with slow-flowing water and fast-flowing water. Which design change would help her generate the most electricity? (1 mark)

Sarah notices her bicycle light gets brighter when she pedals faster. Why does this happen?

Sarah notices her bicycle light gets brighter when she pedals faster. Why does this happen? (1 mark)

Sarah notices her bicycle light gets brighter when she pedals faster. Why does this happen? (1 mark)

Tom's hand-crank flashlight stops working during a camping trip. The bulb is fine, but no light comes on when he turns the handle. What should he check first?

Tom's hand-crank flashlight stops working during a camping trip. The bulb is fine, but no light comes on when he turns the handle. What should he check first? (1 mark)

Tom's hand-crank flashlight stops working during a camping trip. The bulb is fine, but no light comes on when he turns the handle. What should he check first? (1 mark)