energy transformations

A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?

• chemical → light → electrical
• mechanical → sound → light
• thermal → solar → electrical
• electrical → thermal → light

Tags

NGSS.MS-PS3-5

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?

• electrical → light → mechanical
• chemical → mechanical → electrical
• mechanical → chemical → light
• mechanical → electrical → light

Tags

NGSS.MS-PS3-5

What is the energy transformation?

• Mechanical to Kinetic to Sound
• Mechanical to Electrical to Light
• Electrical to Thermal to Mechanical
• Kinetic to Sound to Potential

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The Electrical Energy of the stove is transferred to _____ Energy.

• Solar
• Thermal
• Potential
• Electrical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Photosynthesis goes through two energy transformations. What are the transformations?

• radiant

  chemical

• chemical

  radiant

• electrical

  nuclear

• radiant

  sound

Tags

NGSS.MS-LS1-6

Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?

• 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.

The diagram shows a circuit with the bulb glowing. How does the energy change as it moves from inside the battery, along the wires, and through the light bulb?

• electrical → light → chemical
• light → electrical → chemical
• chemical → electrical → light
• chemical → light → electrical

The process of changing energy from one form to another.

• transmission

• transportation

• transformation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The law of conservation of energy states that energy can neither be destroyed nor created. According to this law which of these equations is correct?

• E=mc2

• KE = PE

• Energy in = energy out

• Energy in = power in

Tags

NGSS.MS-PS3-5