Energy Transformation Practice

Multiple Choice

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound.
• electrical energy to thermal to light.
• sound energy to electrical to chemical.
• mechanical energy to electrical to sound.

Multiple Choice

Which energy is stored in batteries?

• Light

• Sound

• Chemical

• Heat

Open Ended

The image shows a match burning. What energy transformation occurs as a match burns? Describe each form of energy in your answer.

Multiple Choice

Which type of energy is being produced?

• light
• nuclear
• chemical
• mechanical

Open Ended

Explain how a washing machine uses electrical energy and produces mechanical and sound energy

Multiple Choice

Which best describes a flashlight?

• Electrical → Chemical

• Chemical → Electrical → Light

Multiple Choice

What do energy chains show?

• How energy is created

• How energy changes using arrows

• How energy is lost

• How energy is stored

Multiple Choice

When a bowling ball hits the bowling pins, a sound rings through the bowling alley. The change from motion energy to sound energy is an example of a(n) ______.

• forms of energy

• energy transformation

• stored energy

• observation

Multiple Choice

Which best describes a fan?

• A. Chemical → Light

• B. Electrical → Mechanical → Heat

• C. Thermal → Electrical

• D. Mechanical → Chemical

Multiple Choice

What is useful energy?

• Lost energy

• Designed output

Multiple Choice

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

• thermal energy to mechanical energy

• thermal energy to chemical energy to mechanical energy

• chemical energy to thermal energy to mechanical energy

• chemical energy to electrical energy

Multiple Choice

In a flashlight, what is the energy transformation?

• elastic to mechanical
• mechanical to gravitational
• mechanical to light to thermal
• chemical to electrical to thermal to light

Multiple Choice

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

Multiple Choice

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

Multiple Choice

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

Multiple Choice

A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical

Multiple Choice

Electrical -> Mechanical -> Sound 

• A triple beam balance measuring an object’s mass
• A pencil sharpener plugged into a wall outlet
• A projector displaying a diagram on the screen
• A working flashlight used to light up a dark corner

Multiple Choice

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

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

Multiple Choice

What is Energy?

• The transfer energy when a force is applied over a distance.
• The ability to cause change or the ability to do work.
• The energy of an object has because of its motion.

Multiple Choice

The electrical energy of the stove is transferred to _____ energy.

• Solar

• Thermal

• Potential

• Electrical

Multiple Choice

Which items would have this energy transformation: electrical energy -> thermal energy and light energy?

• toaster

• candle burning

• windmill turning

• Iron for your clothes

Multiple Choice

What should you do after reviewing your answers?

• Submit in Wayground

• Start a new lesson

• Ask for help

• Take a break

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident