Content Based Instruction(CBI)

Unit: Science and Technology

Topic: Energy sources

for Mathayomsuksa 5

How manypeople does it

to turn on

alightbulb ?

take

atom (noun) the smallest unit of any chemical

element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form a molecule.

fission (noun)

the process of dividing the nucleus of an atom, which results in the release of a large amount of energy

split (verb)

to divide into two or more parts, especially along a particular line

turbine (noun)

a type of machine through which liquid or gas flows and turns a special wheel with blades in order to produce power

Structure

Adjective clause

What is the function of adjective clause?

Adjective clause is dependent clause that functions as an adjective. That is, it modifies and describe a noun or pronoun.

Structure

independent clause + adjective clause.

adjective clause, + independent clause.

The first thanksgiving feast in the United States, which took place in 1621,

lasted three days.

adjective clause

The first thanksgiving feast in the United States,

antecedent

which took place in 1621, lasted three days.

The first thanksgiving feast in the United States, which took place in 1621,

lasted three days.non-restrictive

orunnecessary

The first thanksgiving feast in the United States which took place in 1621lasted three days.

restrictive or

necessary

May went to Ta lad noi yesterday.

May who has a long straight hairwent to Ta lad noi yesterday. Which May??

May ,who has a long straight hair,went to Ta lad noi yesterday.

May ,who has a long straight hair,went to Ta lad noi yesterday.

Relative Pronouns

who

refers to people (object in its own clause)

The professor who teaches my biology class won Nobel Prize two years ago. Professor Jones, who teaches my biology class, won Nobel Prize two years ago.

whichrefers to animals and things

(subject or object in its own clause)She teaches biology, which is my favorite subject.Non-restrictive only

Relative Pronouns

that

refers to animals and things (subject or object in its own clause)

The subject that I enjoy the most is Math.The subject that I enjoy the most is Math.The salesman that sold me my car is fired.

restrictive only

The atoms produced are strongly radioactive.

The atoms that are produced are strongly radioactive.

Reduced adjective clause

adjective clause

participial phrase

The plant also has machines removing heat from the reactor.

The plant also has machines which remove heat from the reactor.

Reduced adjective clause

adjective clause

participial phrase

nuclear power plant

Activity 1

Direction: Listen to the audio and complete the statements.

A nuclear power plant is a type of ______________ that

generates ___________ using heat from nuclear reactions. These

reactions take place within a reactor. The plant also has machines

which remove heat from the reactor to operate a

__________________ and generator to make electricity.

____________ made by nuclear power plants is called nuclear

power.

power stationelectricity

steam turbineElectricity

Nuclear power plants are usually near water to

remove the heat the reactor makes. Some nuclear

power plants use ________________ to do this.

Nuclear power plants use uranium as _______. When

the reactor is on, Uranium atoms inside the reactor

split into two ____________ atoms. When uranium

atoms split, they give off a large amount of heat. This

splitting of atoms is called ___________.

cooling towersfuel

smaller

fission