1. A television works by transforming electrical energy into what other kinds of energy? 2. When the 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 occur?

A. Electrical - light - Mechanical

B. Chemical - Mechanical - Electrical

C. Mechanical - Chemical - light

D. Mechanical - Electrical - light

3. Some students observing a classroom device being used noticed the below energy transformations. Which device were the students most likely observing?

A. A triple beam balance measuring am objects mass

B. A pencil plugged into a wall

C. A projector displaying a diagram on the screen

D. A working flashlight used to light up the dark corner

4. What would be a potential energy problem when collecting wind energy?

A. Wind is no renewable

B. Wind is unpredictable

C. Wind makes pollutants

D. Wind turbines are cheap to make.