Ch 14-15 Energy

The ability to cause change in matter is called ____.

• speed
• energy
• conversion
• friction

Which of the following has kinetic energy?

• a rock balanced on cliff
• an archer's bow drawn back
• a rolling bicycle tire
• a car waiting at a red light

The best way to increase the kinetic energy of an object is to ___.

• decrease mass and speed
• decrease mass and increase speed
• increase both mass and speed
• not move the object

Unlike kinetic energy, potential energy is ___.

• energy of motion
• stored energy
• conserved energy
• not measureable

Energy inside a battery transforms into ___ when powering a flashlight.

• mechanical
• potential
• electrical
• chemical

Wood, candle wax, and fossil fuels are sources of ____ energy.

• mechanical
• chemical
• electrical
• thermal

Water flowing through the Penstock pipes of a dam has ___ energy because it is falling.

• chemical
• heat
• kinetic
• potential

Which form of energy powers your television set?

• chemical
• heat
• solar
• electrical

What type of conversion is taking place when wood is burned to heat marshmallows?

• chemical to thermal
• thermal to mechanical
• mechanical to light
• light to chemical

The law of conservation of energy states that energy cannot be created nor destroyed but is can change its ___.

• form
• design
• weight
• temperature