Science Review 5.6A

Science Review 5.6 A

Multiple Choice

The photograph shows a laser cutting a sheet of metal as the laser moves from one end of the metal to the other. Four groups of students each made a table of each made a table of examples of the different types of energy involved in this process. Which of these tables is correct?

Multiple Choice

Eight activities that use energy are listed in the box. Each of these activities requires the use of which type of energy?

• Thermal

• Mechanical

• Electrical

• Sound

Multiple Choice

Which of these devices is the only one NOT designed to produce both sound and light energy?

Multiple Choice

A family was vacationing in the mountains in a cabin that had no electrical power. They needed boiling water in order to prepare dried soup mix. With no electrical energy available, which method would most likely provide enough thermal energy to quickly heat the water to boiling?

• Using a microwave oven to heat water in a glass jar for 3 minutes

• Shaking the water in a closed, insulated plastic bottle for 3 minutes

• Shining a battery-powered flashlight on a metal container of water for 10 minutes

• Placing a metal pot of water over glowing charcoal in an outdoor grill for 10 minutes

Multiple Choice

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?

• Electrical and thermal

• Mechanical and electrical

• Thermal and mechanical

• Light and sound

Multiple Choice

Which object requires only mechanical energy to perform its main function?

Multiple Choice

A student made a list of activities that involve energy. Which activities on the list are examples of the use of mechanical energy?

• Activities 1, 4, and 6

• Activities 2, 4, and 5

• Activities 1 and 2

• Activities 3, 5, and 6

Multiple Choice

An old-fashioned metal toy is shown below. When the candle is lit, the carousel of horses begins to turn. Which of these correctly describes the energy that makes the carousel turn?

• Heat from the candle produces currents of warm air.

• Heat from the candle produces electrical energy.

• Light from the candle produces mechanical energy.

• Light from the candle produces wind currents.

Multiple Choice

A student uses a set of headphones to listen to music. Which of these objects uses the same source of energy as the headphones?

• A flute using wind energy

• A piano using mechanical energy

• A keyboard using electrical energy

• A teapot using thermal energy

Multiple Choice

Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuels. Which of these is not an example of the bicycle using mechanical energy?

• The pedals, gears, and chain help turn the wheels.

• The wheels turn when the bicycle moves.

• The front wheel guides the bicycle as it moves.

• The reflector allows the bicycle to be seen at night.

Multiple Choice

When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds’ echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using —

• thermal energy and light energy

• sound energy and thermal energy

• mechanical energy and sound energy

• light energy and mechanical energy

Multiple Choice

A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle?

• Light, mechanical, and thermal

• Electrical and thermal

• Mechanical, light, and electrical

• Thermal and mechanical

Multiple Choice

Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture below shows a cartoon like the ones Goldberg drew. Which form of energy is used to turn on the switch?

• Light energy

• Thermal energy

• Electrical energy

• Mechanical energy

Multiple Choice

Water flows through turbines in dams like the one shown below. The flowing water makes the turbines spin. What type of energy is used to make the turbines spin in this type of dam?

• Light energy

• Thermal energy

• Sound energy

• Mechanical energy

Multiple Choice

Three different objects that use the same source of energy are shown below. What is the energy source for these objects?

• Light energy

• Mechanical energy

• Sound energy

• Electrical energy