Energy Transformation

When a hair dryer is being used, one of the energy transformations that takes place is ____.

• chemical to electrical

• electrical to chemical

• electrical to mechanical

• mechanical to electrical

When electrical energy is “used” by an electric light, what really happens to the energy?

• It disappears

• It changes to matter

• It stops the electrical light

• It is given off as other forms of energy

Tags

NGSS.MS-PS3-5

In the simple act of lighting a match, chemical energy stored in the match head is transformed into heat and light. What is true about this energy transformation?

• Most of the energy is lost when the match is struck.

• New energy in the form of light and heat is created when the match is struck.

• All of the potential chemical energy is transformed into heat and light energy.*

• Some of the chemical energy is transformed into heat and light and the rest is converted into matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Predict the energy transformation that occurs when Carson sands a piece of wood with sandpaper.

• chemical energy to heat energy

• heat energy to mechanical energy

• mechanical energy to heat energy

• mechanical energy to chemical energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

On a cold, winter day, Sheena rubs her hands together. Stored chemical energy is transformed into mechanical energy. Due to the Law of Conservation of Energy some of the energy is also transformed into ____.

• heat energy

• light energy

• solar energy

• kinetic energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The stored energy in a battery can BEST be described as:

• kinetic

• nuclear

• thermal

• chemical

Tags

NGSS.MS-PS3-2

Energy appears in many forms. What form of energy is lightning?

• sound energy

• magnetic energy

• electrical energy

• mechanical energy

Tags

NGSS.MS-PS2-3

Geothermal energy is not a common energy source in Georgia home because _____.

• there are few surface hot springs

• Georgia is too warm in the summer

• it is regulated too much by the government

• It causes thermal pollution of lakes and rivers

All of the following are forms of energy EXCEPT:

• heat

• light

• friction

• electrical

Light is an example of what type of energy?

• nuclear

• chemical

• gravitational

• electromagnetic

Tags

NGSS.MS-PS4-1