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Chapter 1 Science_DLP

Total questions: 50

Worksheet time: 26mins

Name
Class
Date
1.

Which of the following is a natural phenomenon?

a)

Dam construction

b)

Volcanic eruptions

c)

Use of mobile phones

d)

Discovery of new medicines

2.

Which of the following represents the prefix value of kilo?

a)

10

b)

100

c)

1000

d)

1000 000

3.

Which statement is true about mass?

a)

the total volume of an object

b)

the total surface area of an object

c)

the gravitational force acting on an object

d)

the amount of matter contained in an object

4.

Which of these are CORRECT about the importance of science?

a)

Easy to find job

b)

Faster and safer transportation

c)

Increase quality and quantity of agriculture products

d)

Invention of satellites, computers and phones.

e)

Advancements in medical

5.

..................................... has made our life more comfortable and solve various problems.

a)

Science

b)

Investigation in science

c)

Innovation in technology

6.

For containing small amount of chemicals or mixing solutions.

a)

Boiling tubes

b)

Beaker

c)

Glass jar

d)

Test tube

7.

The diagram above shows a symbol. What is the meaning of the symbol?

a)

Flammable

b)

Irritant

c)

Poisonous

d)

Explosive

8.

Which of the following is not a step in scientific investigation?

a)

Writting a report

b)

Forming a hypothesis

c)

Manipulating the result

d)

Making a smart guess

9.

All living organisms are made up of basic units. What is the basic units for living organisms?

a)

Cells

b)

Organs

c)

Tissues

d)

Systems

10.

Which of the following is a physical factor involved in homeostasis?

a)

The osmosis pressure

b)

The level of sugar in the blood

c)

The change in the body temperature

d)

The change in the water content of the body

11.

Which of the following is a natural phenomenon?

a)

Dam construction

b)

Volcanic eruptions

c)

Use of mobile phones

d)

Discovery of new medicines

12.

Which of the following represents the prefix value of kilo?

a)

10

b)

100

c)

1000

d)

1000 000

13.

Which statement is true about mass?

a)

the total volume of an object

b)

the total surface area of an object

c)

the gravitational force acting on an object

d)

the amount of matter contained in an object

14.

diagram above shows a hazard symbol. what is the meaning of this symbol?

a)

flammable

b)

irritant

c)

explosive

d)

poisonous

15.

Table above shows the volumes of a few marbles measured using the water displacement method. What is the volume of 5 marbles?

a)

3 cm3

b)

9 cm3

c)

15cm3

d)

21cm3

16.

The following information shows the steps involved in a scientific investigation

J : making an observation

K : Making a conclusion

L : analysing data

M : collecting data

Which of the following is the correct step in the scientific investigation?

a)

J, M, K, L

b)

J, M, L, K

c)

M, J, K, L

d)

M, J, L, K

17.

Diagram above shows three types of bottles with different labels. What are the chemicals that might contain inside bottle P, Q and R?

a)

P: chloroform, Q: ethanol, R: mercury

b)

P: Radium, Q: mercury, R: Pottasium

c)

P: Benzene, Q: potassium, R: radium

d)

P: lead, Q: petrol, R: chloroform

18.

which of the following converting unit of base quantity is correct?

a)

1.9 kg -> 19 000 g

b)

89 g -> 0.089 kg

c)

170 mm -> 0.017 m

d)

450 cm -> 45 m

19.

which of the following apparatus can be used to measure the volume of liquids?

a)

measuring cylinder , test tube

b)

beaker, stopwatch

c)

test tube, pipette

d)

measuring cylinder, beaker

20.

choose the correct match

a)

length -> kilometre -> km

b)

mass -> gram -> g

c)

temperature -> degree celcius -> oC

d)

electric current -> ampere -> A

21.

What is the natural phenomena?

a)

Things that created by living things

b)

Things that required by living things

c)

Things that happen in nature

d)

Things that happen every month

22.

Which of the following is a science-related career?

a)

Pilot

b)

Lawyer

c)

Firemen

d)

Geologist

23.

The diagram above shows a symbol. What is the meaning of the symbol?

a)

Flammable

b)

Irritant

c)

Poisonous

d)

Explosive

24.

Which of the following is not a step in scientific investigation?

a)

Writting a report

b)

Forming a hypothesis

c)

Manipulating the result

d)

Making a smart guess

25.

All living organisms are made up of basic units. What is the basic units for living organisms?

a)

Cells

b)

Organs

c)

Tissues

d)

Systems

26.

Which of the following is a unicellular microorganisms?

a)

Yeast

b)

Hydra

c)

Mimosa

d)

Spirogyra

27.

Which of the following is a physical factor involved in homeostasis?

a)

The osmosis pressure

b)

The level of sugar in the blood

c)

The change in the body temperature

d)

The change in the water content of the body

28.

Which of the following can regulate water in the plant?

a)

Diffusion

b)

Transpiration

c)

Respiration

d)

Photosynthesis

29.

Diagram shows two students doing exercise. What happens to their body temperature after exercise?

a)

Increase

b)

Decrease

c)

Remains the same

d)

Continues to increases

30.

Which of the following activity shows the fastest pulse rate?

a)
b)
c)
d)
31.

Apparatus used for heating small quantity of chemicals

a)

Beaker

b)

Flask

c)

Test tube

d)

Gas jar

32.

Name this apparatus

a)

Spirit lamp

b)

Burner

c)

Bunsen burner

d)

Automatic flame

33.

From what material is this apparatus made up of?

a)

Meshed iron wire and asbestos

b)

Wire

c)

Steel wire and sand

d)

Iron wire and porcelain

34.

Mention the use of this apparatus

a)

For keeping the test tube

b)

For supporting the apparatus during heating

c)

For drying other apparatus

d)

Used as a shelf

35.

Mention the use and the material from which it is made of.

a)

Plastic and for crushing solids

b)

Steel and for mixing chemicals

c)

Porcelain and for crushing and grinding solids

36.

Name this apparatus

a)

Beaker

b)

Measuring cylinder

c)

Gas jar

d)

Test tube

37.

An apparatus used for preparing and keeping the solution for experiment.

a)

Flask

b)

Test tube

c)

Gas jar

d)

Beaker

38.

What does this symbol indicate?

a)

Corrosive substances

b)

Wash your hands.

c)

Wear appropriate gloves.

d)

Bacteria are present.

39.
a)
Poison/Toxic
b)
Bio Hazard
c)
Radioactive
d)
Corrosive
40.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
41.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
42.

Identify the Image

a)

Radioactive

b)

Flammable

c)

Biological hazard

d)

Toxic

43.

What does this safety symbol mean?

a)

flammable

b)

oxidising

c)

hot

d)

explosive

44.

What does this safety symbol mean?

a)

cross

b)

harmful / irritant

c)

sharp

d)

chemical

45.

Radioactive Material

a)
b)
c)
46.

Wear Safety Goggles

a)
b)
c)
47.

Caution

a)
b)
c)
48.
You are heating a substance in a test tube.  Always point the open end of the tube
a)
toward yourself
b)
toward your lab partner
c)
toward another classmate
d)
away from all people
49.
If an acid is splashed on your skin, wash at once with
a)
soap
b)
oil
c)
a weak base
d)
plenty of water
50.
Safety goggles are worn in the laboratory
a)
to avoid eye strain
b)
to improve your vision
c)
only if you don't have corrective glasses
d)
any time chemicals are used or glassware is heated

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