Energy Review

Think about the Law of Conservation of Energy.
Which of the following is not true?

• Energy cannot be destroyed.
• Energy cannot be created.
• Energy cannot be transformed.
• Energy can only be transformed.

When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy. 

• Kinetic
• Potential
• Gravity
• Friction 

What type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

At what position would a cyclist have the most kinetic energy?

• A
• B
• D
• F

Is this picture of a stopped roller coaster this is an  example of _________________ energy?

• Kinetic Energy Only
• Gravitational Potential Energy
• Electrical Energy
• Nuclear Energy

Kinetic Energy of wind is transferred to _____ Energy in a windmill.

• Solar

• Mechanical

• Electrical

• Potential

Stored energy is another name for

• kinetic energy
• thermal energy
• potential energy
• sound energy

A cell phone battery dies.  It gets plugged into an electrical outlet to recharge. Which of the following energy transformations occur during the charging?

• mechanical to chemical
• electrical to solar
• chemical to light
• electrical to chemical

Electrical -> Kinetic -> Sound and Heat

• 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

A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?

• Mechanical to chemical to electrical
• Chemical to sound to electrical
• Chemical to electrical to sound
• Electrical to heat to sound