Energy Transformations

Front

What is energy transformation?

Back

Energy transformation is the process of changing energy from one form to another, such as from electrical energy to mechanical energy.

Front

What are the main types of energy transformations?

Back

The main types of energy transformations include: 1. Mechanical to Thermal 2. Electrical to Mechanical 3. Chemical to Thermal 4. Light to Chemical.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What energy transformation occurs in a pencil sharpener?

Back

In a pencil sharpener, the energy transformation is Electrical → Mechanical → Sound.

Front

What is the energy chain from the sun to grass to cow?

Back

The energy chain is: Light and Thermal energy → Chemical energy (in grass) → Chemical energy (in cow).

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What energy transformation occurs when rubbing hands together?

Back

The energy transformation is Mechanical energy → Thermal energy.

Tags

NGSS.MS-PS3-5

Front

Which device transforms electrical energy into mechanical energy?

Back

A fan transforms electrical energy into mechanical energy.

Front

What is an example of chemical energy being transformed into electrical energy?

Back

An example is a battery, where chemical energy is converted into electrical energy.

Front

What is the role of photosynthesis in energy transformation?

Back

Photosynthesis transforms light energy from the sun into chemical energy stored in glucose.

Tags

NGSS.MS-LS1-6

Front

How does a light bulb transform energy?

Back

A light bulb transforms electrical energy into light energy and thermal energy.

Front

What is the energy transformation in a hydroelectric power plant?

Back

In a hydroelectric power plant, the transformation is Mechanical energy (from moving water) → Electrical energy.

Tags

NGSS.HS-PS3-3