Exercise Introduction to science.doc

7/27/2019 Exercise Introduction to science.doc

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Science Module Form 1- Chapter 1

Prepared by : Abiana Binti Jaafar(GCSC) 1 Email :ab ia n a ja afa r @y a h oo .c o m.

EXERCISE 1

Name : Form :

Date :

Instruction :Write your answers in the space provided.

1. Group the following into the appropriate boxes.

Invention of television Earthquake Eruption of volcano

War Eclipse of the Moon Traffic jam

Growth of a plant Lightning Singing

Natu ral ph en omen a Not natu ral phen omen a

2. What are the three main branches of science?(a)

(b)

(c)

3. Complete the following carrier related to science by using the following answers.

Biologist Geologist Botanist

Meteorologist Astronaut Zoologist

Career Explaination

Study of plant

Study of living things

Study of minerals and rock

Study of universe.

Study of weather.

Study of ani.mals
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4. Read the following statements. Tick those which are the rules in the scientific

laboratory.

a. Food and drinks are not allowed in the science laboratory

b. Apparatus or chemicals can be taken out from the science laboratory

anytime.

c. Material in the science laboratory must be handle correctly

d. Use the apparatus and chemicals without the teachers permission

e. Must not taste any chemicals unless to the teacher to do so.

f. Report all accidents and injuries to the teacher immediately.

6. Choose the correct answer from the given below.

corrosive water burette conical flask

poisonous crucible tongs hypothesis problem

report variable

a. When one swallowed some chemical accidentally, one must spit out and wash the

mouth with a lot of .

b.

The apparatus above is the


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c. The is used to measure the volume of the liquid

accurately.

d. The is used to hold hot objects.

e.

The hazard symbol above on the reagent bottle shows that the chemical substance is.

f.

The hazard symbol above on the reagent bottle shows that the chemical substance

is .

g. The first step in a scientific investigation is identifying the

.

h. A is a general statements that is thought to be

true in the explanation of a problem.

i. Before carrying out the experiment, one must control the

.

j. The final step in a scientific investigation is writing a.


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6. Complete the table below

Basic quantities SI unit Symbol for SI unit

Length a. b.

c. Kilogram d.

e. Second f.

Temperature g. h.

Electric current i. j.

7. Complete the flow chart below to show the sequence of steps in a scientific

investigation.

Analysing and interpreting data Collecting data

Controlling the variable Identifying the problem

Making conclusion

Step 1:

Step 2: Making a hypothesis


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Step 3:

Step 4: Planning the experiment

Step 5:

Step 6:

Step 7:

Step 8: Writing a report


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EXERCISE 2

Name : Form :

Date :

Sec tion A

1. What are natural phenomena?A. Things that happen in nature.B. Things that created by

scientists.C. Things that happen everyday

around us.D. Things that are needed for

living things to live.

2. Science is the knowledge about

A. Living thingsB. Curing diseasesC. Natural phenomenaD. Things made by humans.

3. Which of the following is not a fieldof studies in science?

A. BiologyB. ChemistryC. AstronomyD. Accountancy

4. Which of the following is not alaboratory safety rule?

A. Students are not allowed to playin the laboratory.

B. Students are not allowed to eator drink in the laboratory.

C. Students are encouraged tocarry out experiments on theirown creativity.

D. Students must report any

breakage of glass apparatus inthe laboratory to the teacherimmediately.

5.

Figure 1

Figure 1 shows a hazard warning

symbol. What is the meaning ofthe symbol?A. IrritantB. ExplosiveC. PoisonousD. Flammable

6.

Figure 2

Figure 2 shows a hazard warningsymbol. Which of the followingshows the meaning of the symboland its example correctly?A. Irritant Chloroform

B. Explosive PotassiumC. Radioactive UraniumD. Poisonous Sodium cyanide


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Science Module Form 1 Chapter 1

Prepared by : Abiana Bt. Jaafar(GCSC) 7 e-mail : a b ia n a j a a f ar @ y a h o o.com.

Sec tion B

1. Name the following apparatus and state the use of each apparatus.

Apparatus Name Use
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Use

To measure temperature

Prepared by : Abiana Bt. Jaafar(GCSC) 8 e-mail : a b ia n a j a a f ar @ y a h o o.com.

Science Module Form 1 Chapter 1

2. Match the following apparatus to their general uses.

Apparatus

Glass rod

Gas jar To stir solution in a container

Thermometer To hold test tubes

Beaker To contain chemicals and liquids

Test tube holder To contain gas

3. Complete the table below.

Hazard WarningSymbol

Meaning

Example


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4. Arrange the following steps in a scientific investigation in the correct order.Use 1 to 8 to number the steps.

Analyzing and interpreting the data

Controlling the variables

Making a conclusion

Making a hypothesis

Writing a report

Identifying the problem

Collecting data

Planning the experiment

5. Complete the table below.

Physical quantity S.I unit Symbol of unit

metre

Mass

s

Kelvin

A


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EXERCISE 3

Physical quantity Symbol of S.I unit

A. Temperature C

B. Mass g

C. Electric current AD. Length cm

Name : Form :

Date :

S ec tion A

1. Why must one check the label onthe container of a chemicalbefore using it?E. To know the colour of the

chemicalF. To know the quantity of the

chemicalG. To know whether the

chemical can be reused

H. To make sure that the correctchemical is used.

2. Which if the following is not aprocess skill in a scientificinvestigation?

A. Changing dataB. Recording dataC. Asking questionsD. Making observation

3. during a scientific investigation,what must you do after you haveidentified what you want to findout?

A. Write a reportB. Make a conclusionC. Make a smart guessD. Change the conditions of the

investigation

4. Figure 1 shows a pendulummaking a complete swing from Pthrough Q to R and back to Pagain. Which of the followingfactors affects the time taken forthe pendulum to make acomplete swing?

A. The length of the stringB. The thickness of the stringC. The weight of metal bobD. The number of complete

swings

5. The S.I unit for mass is theA. gramB. poundC. kilogramD. milligram

6. which of the following is the S.Iunit for time?

A. hour

B. KelvinC. MinuteD. Second

7. Which of the following shows thephysical quantity and the symbolof its S.I unit correctly?

8. 1.2 km is equal toA. 0.0012 mB. 0.012 mC. 1200 mD. 12 000 m


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Prepared by : Abiana Bt. Jaafar(GCSC) e-mail : a b ia n a j a a f ar @ y a h o o.com.

9. Which of the following is true?A. 0.0075 m = 7.5 kmB. 0.0075 m = 7.5 cmC. 0.0075 m = 7.5 mm

D. 0.0075 m = 7.5 m

10. Which of the following istrue about mass?

A. It is measured in NewtonsB. It changes from place to placeC. It depends on the force of

gravityD. It can be measured by using

lever balance

11. The mass of a student is 35kg.

What is his mass while he is atthe third floor of the schoolbuilding?

A. 35 kgB. Less than 35 kgC. More than 35 kgD. Depends on how strong the

force of gravity at the fifth flooris

12. The weight of an object isA. The pull of the Earth on the

objectB. The amount of matter in the

objectC. The amount of space

occupied by the objectD. The force needed to push the

object through 1 m

13. Figure 2 shows different eyepositions when taking a readingon the scale of a metre rule.

Which of the eye positions givesan accurate reading?

A. P C. RB. Q D. S

14. Which of the followingmeasuring tools are

most suitable for measuring the length of a curve?

A. Thread and metre ruleB. Graph paper and metre rule

C. Internal calipers and metrerule

D. External calipers and metrerule

15. Figure 3 shows a measuring tool.The measuring tool can be usedto measure the

A. Diameter of a ballB. Length of a curved lineC. Length of a straight lineD. Internal diameter of a test

tube

16. The length of a river on amap can be measured by using

A. A metre ruleB. Graph paperC. A measuring tapeD. Thread and a metre rule


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EXERCISE 4

Name : Form :

Date :

S ec tion A

1. A hypothesis that has beenaccepted will become aI. theoryJ. conceptK. studyL. phenomenon

2. The following list contains thesteps in a scientific investigation.

P : Record dataQ : Making conclusionR : Interpreting dataS : Analysing data

6. Which of the following units

cannot be used to measuretime?

A. YearsB. VoltageC. DecadesD. Seconds

7. The mass of an object is 12 kg. Ifthe object is brought to the Moonwhere the gravity is one sixth ofthe gravity on Earth, what will the

mass of the object be?A. 2 kg C. 10 kgB. 5 kg D. 12 kg

A. Q P S R 8. Which of the following statementsB. P R S Q about the differences betweenC. S P R Q mass and weight is correct?D. P S R Q A. Mass is always constant but

weight varies depending on3. Which of the following has the

same value as 0.25 km?

A. 0.25 mB. 2.5 mC. 25 mD. 250m

4. The distance between two pointsis known as

A. lengthB. areaC. celciusD. seconds

5. The degree of hotness of anobject is known as

A. temperatureB. massC. pressureD. lenght

where it is measuredB. Mass is a measurement of the

force of gravity on an objectC. Weight measures the quantity

of matter in an objectD. Weight and mass have the

same units

Diagram 1

9. The apparatus can be used tomeasure

A. The diameter of a pencilB. The external diameter of a

beaker


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Diagram 2

C. The internal diameter of abeaker

D. The length of a curved beaker

10. When the eye is not at the

same level as themeniscus, the reading

taken will be inaccurate. Thisinaccuracy is known as

A. Zero deviationB. Parallax errorC. DensityD. Mass

11. The instrument used tomeasure the length of a curve is

A. A rulerB. An opisometer and rulerC. External calipersD. Internal calipers

12. Which method can be usedto measure the volume

of an irregular-shaped object?

A. FiltratingB. Weighing

C. Displacement of waterD. Drawing a graph

Diagram 213. Diagram 2 shows a method

to find the volume of a heavyobject. What is the volume of theobject? A. 10 ml C. 60 mlB. 50 ml D. 70 ml

14. Diagram 3 shows part of aburette

Diagram 3

What is the volume of water inthe burette?

A. 25 cm3

C. 33 cm3

B. 30 cm3

D. 40 cm3

Diagram 4

15. Diagram 4 shows the outline of

a leaf when traced on to a pieceof graph paper. What is the areaof the leaf?

A. 3 cm2

C. 6 cm2

B. 4 cm2

D. 10 cm2

16. Which of the following isincorrectly paired?A. Voltmeter Measures voltageB. Graph paper Measures the

area of an irregular-shaped

objectC. Spring balance Measures

massD. Measuring cylinder

Measures the volume of aliquid


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Sec tion B

a. List the most appropriate instruments that should be used to accuratelymeasure the following ;

Required measurement Instruments(a) Length of straight line

(b) Length of a curved line

(c) Mass of a metal ball

(d) Weight of a fruit

(e) Internal diameter of a test tube

(f) External diameter of a beaker

b. An experiment is carried out to measure the volume of a lead block as shownin the diagram below.

i.Name apparatus X

ii.What is the method used to measure the volume of the lead block?

iii.What are the initial and the final readings of the volume of water in apparatusX?(i) Initial reading :(ii) Final reading :

iv.Calculate the volume of the lead block.

v.State one precaution step need to be taken in this experiment.


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c. Determine the volume of the solid object shown below. Then, answer thequestions.

i.(i) Volume of copper lump = cm

3

(ii) Volume of cork = cm3

ii.What method is used in this activity?

d. State the diameter of the objects and the measuring tools

used. (a)

The external diameter of the testtube = _cm

Measuring tools :(a)

(b)

(b)

The internal diameter of the beake

= _cm

Measuring tools :(c)(d)


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Science Module Form 1

Prepared by : Abiana Bt. Jaafar(GCSC) 16 e-mail :a b ia n a ja afa r @ya h o o.com.

Sec tion B

e. Match each physical quantity with its SI unit and symbol.

Physical quantity Unit Symbol

1. Length Kilogram m

2. Mass Metre kg

3. Temperature Second K

4. Electric current Kelvin s

5. Time Ampere A

f. Diagram 1 shows two types of balance.

i.Name balance X and balance Y.(i) X :

(ii) Y :

ii.What can be measured using balance X and balance Y?a. X :

(ii) Y :

iii.What are the measuring units for balance X and balance Y?(j) X :(ii) Y :

iv.Which balance measurement is influenced by the force of gravitational pull?


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Prepared by : Abiana Bt. Jaafar(GCSC) 17 e-mail : [email protected].

Science Module Form 1

g. Name the instruments commonly used to measure length in the laboratory.State the measurements and their units in the table provided.

Instrument

Name of instrument

Measurement

Unit of measurement

h. Estimate the areas of the following shapes.

(a) (b)

Estimated area = Estimated area =

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Exercise Introduction to science.doc