Worksheet 1 Fisika Vii

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[PHYSICS]Interntional Class Program -

VII Grade

Worksheet 1Tittle : Introducing the Physics Quantities, Unit, and its Measurement

Learning Guide :

1. Read the text below (you can also use another references about physics quantities).

2. Clarification the text comprehension.

3. Observing and measuring object in the classroom and its unit.

4. Classifying the fundamental quantities and derived quantities in the box

5. Conclusion by completing the last chart.

1. Read the text

In the physic there are two common terms to define the quantities.

Fundamental quantities are

the basic quantities which can be

measured such as: length, mass,

time, temperature, light intensity,

amount of substance, and

electric current . All otherquantities in physics can be

expressed in terms of the

derived quantities. The derived quantities are made

of the fundamental quantities,  several example are

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[PHYSICS]Interntional Class Program -

VII Grade

volume (multiplication of length

and square), speed (distance

divided by time), force (mass

times acceleration), etc.Fundamental quantities are conventionally established by the “International

Conference on Weight and Measurement (SI).” Each quantity has its unit, for example length

in meter , mass in kilogram, time in second, temperature

in Kelvin, amount of substance in

mol, light intensity in Candela,

electric current in ampere. Other quantities are

derived from these fundamental quantities, such as volume, density, velocity, force, work and

many others which are called the derived quantities.

2. Clarification

a. From the text above, write your comment about the definition of:

1) Fundamental quantities:

......................................................................................................................................

......................................................................................................................................

......................................................................................................................................

2) Derived quantities:

......................................................................................................................................

......................................................................................................................................

......................................................................................................................................

 b. What do you know about the meaning of “Unit” of any quantities?

………………………………………………………………………………

3. Observing the objects

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[PHYSICS]Interntional Class Program -

VII Grade

After observing the object, then complete the box below:

Object in the classroom Measurements using the correct

units

1……………………..

2……………………..

3……………………..

4……………………..

5…………………….

6…………………….

7……………………

8…………………….9…………………….

10…………………….

1…………………………….

2…………………………….

3……………………………

4…………………………….

5…………………………….

6…………………………….

7……………………………..

8……………………………..9……………………………...

10…………………………….

4. Classifying the fundamental quantities and derived quantities in the box

Fundamental

Quantities

Measurement Derived

Quantities

Measurement

1…………………..

2…………………..3………………….

4………………….

5………………….

6………………….

7………………….

8…………………..

1…………….

2…………….3…………….

4…………….

5…………….

6…………….

7…………….

8…………….

1………………..

2………………..3………………..

4………………..

5………………..

6………………..

7………………..

8……………….

1………………..

2………………..3………………..

4………………..

5………………..

6……………….

7……………….

8……………….

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[PHYSICS]Interntional Class Program -

VII Grade

Match the scientific sentence below with the terms on its right.

5. Conclusions

Ok Kids, let’s make conclusions!

Complete the following concept map about three main fundamental quantities with the

words below:

a. Interval between two events c. mass e. second

b. Distance between two points d.meter f. kilogram

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Fundamental Quantities

LENGTH TIME

Amount of 

material in

object

The SI Unit for time ( ... )

Interval between two events ( ... )

It has standard measurement in m3 ( ... )

The SI Unit for mass ( ... )

The amount of materials in an object ( ... )

The SI unit for length ( ... )

Arranged from fundamental quantities ( ... )

Degree of the hotness of an object ( ... )

Volume

Derived quantities

Time

Mass

Second

Kilograms

Meter 

Temperature