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程式化控制器積木機關

HYBRID CAR

Session 17

LIGHT AND SOLAR

ENERGY

Scientific experiment

Please find your partners and accomplish the activities

cooperatively.

Team Up

Story TimeFrom my outward appearance I look like any other car, but I’m much

more than that. My body is that of a standard vehicle, but underneath

the hood, I am a completely different machine. I’m a hybrid vehicle. At

my core, I have two hearts, an electric motor and a traditional internal-

combustion engine. I run off both gas and electricity.

It may sound very complicated, but don’t worry, the two engines inside

of me can cooperate automatically. For example, I usually use my

electric motor, but if I suddenly start driving up a steep hill, I can switch

over to my gas-powered engine to provide the extra force necessary to

climb up the hill. In this way, I can work to conserve my fuel for

necessary situations.

Story Time

I have the ability to recycle energy. When I slow down by

braking, I can convert the force of the wheels turning into

back into storable energy that can be used to recharge my

electric battery.

Daily Application

Hybrid vehicles are able to regenerate their batteries while using their

gas-powered engines, or through the disposal of waste such as

exhaust. Hybrid vehicles use this system to not only increase efficiency,

but to save energy as well. The basic concept of a hybrid system is to

convert energy in the most efficient way possible. Waste heat boilers,

located inside waste incinerator plants, are another example. Waste

incinerators can help to solve some of our pollution problems, and

additionally can recycle heat energy.

Brainstorming

What are the pros and cons of using either a hybrid

system or a single-source system?

Part List

Please find the parts according to the photo below.

Check again that you acquire the same number of parts.

Hybrid Car

Assembly Steps

Assembly Steps

Assembly Steps

Assembly Steps

Hands-on Experiment

Record the difference in speeds among solar-powered

cars, electric cars, and a hybrid car.

Hands-on Creativity

Try to modify the model with other components and create

a hybrid cement mixer.

Let’s score yourself. How many stars do you get today?

Evaluation

Model Assembled

Good job! You can get the 1st star when you complete

the assembly.

Experiment Complete

Accomplish the experiment and get the 2nd star.

Model Creation

Excellent! You make your own creation and get the 3rd

star.