Free Printable Science at Work - Chapter 1 - Lvl1

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Worksheets

Science at Work - Chapter 1 - Lvl1

Total questions: 68

Worksheet time: 1hrs 8mins

Name

Class

Date

1.

In a Lab Report (Write-Up), what are the sections to be included.

(Choose all relevant sections)

a)

Apparatus & Diagram

b)

Method & Precautions

c)

Title & Aim

d)

Results & Calculations

e)

Conclusion

2.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: TITLE

a)

Title of Unit or Topic related to the experiment

b)

Why the experiment is being done

c)

A drawing of the set-up of the apparatus.

d)

A description of the steps involved to setup the equipment and to start the experiment. All in past passive tense.

3.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: AIM

a)

Title of Unit or Topic related to the experiment

b)

Why the experiment is being done

c)

A drawing of the set-up of the apparatus.

d)

A description of the steps involved to setup the equipment and to start the experiment. All in past passive tense.

4.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Diagram

a)

Title of Unit or Topic related to the experiment

b)

Why the experiment is being done

c)

A drawing of the set-up of the apparatus.

d)

A description of the steps involved to setup the equipment and to start the experiment. All in past passive tense.

5.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Method

a)

Title of Unit or Topic related to the experiment

b)

Why the experiment is being done

c)

A drawing of the set-up of the apparatus.

d)

A description of the steps involved to setup the equipment and to start the experiment. All in past passive tense.

6.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Precautions

a)

Any special steps to follow in order to get as close to the accurate result as possible

b)

A description of what happened as the method was being followed. This may include any colour change, a change in state, an explosion, etc

c)

If occasionally required , it shows any estimation using the inputs in the result.

d)

A sentence or 2 indicating what was learnt or achieved by doing this experiment

7.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Result

a)

Any special steps to follow in order to get as close to the accurate result as possible

b)

A description of what happened as the method was being followed. This may include any colour change, a change in state, an explosion, etc

c)

If occasionally required , it shows any estimation using the inputs in the result.

d)

A sentence or 2 indicating what was learnt or achieved by doing this experiment

8.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Calculation

a)

Any special steps to follow in order to get as close to the accurate result as possible

b)

A description of what happened as the method was being followed. This may include any colour change, a change in state, an explosion, etc

c)

If occasionally required , it shows any estimation using the inputs in the result.

d)

A sentence or 2 indicating what was learnt or achieved by doing this experiment

9.

In a Lab report (Write-up) each section is used to describe or inform about the experiment.

What is the meaning of: Conclusion

a)

Any special steps to follow in order to get as close to the accurate result as possible

b)

A description of what happened as the method was being followed. This may include any colour change, a change in state, an explosion, etc

c)

If occasionally required , it shows any estimation using the inputs in the result.

d)

A sentence or 2 indicating what was learnt or achieved by doing this experiment

10.

Choose which answers correctly draw a set-up of the apparatus in a lab report (write-up)

a)

Drawing is at least 1/3 of the A4 sheet you use. Large, clear, neat and in the correct proportion.

b)

Flat and not 3 dimensional (3D)

c)

Draw with colours and biro

d)

Draw in pencil and no colours or shading

e)

Well labelled using lines in pencil and not arrows. The lines used must start from the item and finish on its name.

11.

Which of the below are Lab Safety rules.

(More tha one answer is correct)

a)

Do not go into the labs unattended.

b)

You can run in the lab

c)

Act sensibly in the labs

d)

Do not carry any bags to avoid tripping over them, falling and getting hurt

e)

You can eat or drink in the labs

12.

Which of the below are Lab Safety rules.

(More tha one answer is correct)

a)

Always handle chemicals with care

b)

Never smell or ingest chemicals - many are poisonous.

c)

Put broken glass in the correct bin to avoid cuts when cleaning the bins

d)

There is no need towear safety goggles

e)

You can light up a bunsen burner without a heatproof mat

13.

Which of the below are Lab Safety rules.

(More tha one answer is correct)

a)

Handle all apparatus with care

b)

Use clothing protection when necessary

c)

Do not clear up and leave workbench full of clutter before you leave

d)

Report all accidents immediately

14.

Choose the correct Measurement Statment for :

Length, width, thickness, height , distance

a)

Instrument : Metre ruler ; S.I. Units: metres (m)

b)

Instrument : Stop watch ; S.I. Units: seconds (s)

c)

Instrument : Chemical balance ; S.I. Units: kilograms (kg)

d)

Instrument : Measuring cylinder ; S.I. Units: litres (l)

e)

Instrument : Thermometer ; S.I. Units: degrees centigrade (`C)

15.

Choose the correct Measurement Statment for :

Time

a)

Instrument : Metre ruler ; S.I. Units: metres (m)

b)

Instrument : Stop watch ; S.I. Units: seconds (s)

c)

Instrument : Chemical balance ; S.I. Units: kilograms (kg)

d)

Instrument : Measuring cylinder ; S.I. Units: litres (l)

e)

Instrument : Thermometer ; S.I. Units: degrees centigrade (`C)

16.

Choose the correct Measurement Statment for :

Mass

a)

Instrument : Metre ruler ; S.I. Units: metres (m)

b)

Instrument : Stop watch ; S.I. Units: seconds (s)

c)

Instrument : Chemical balance ; S.I. Units: kilograms (kg)

d)

Instrument : Measuring cylinder ; S.I. Units: litres (l)

e)

Instrument : Thermometer ; S.I. Units: degrees centigrade (`C)

17.

Choose the correct Measurement Statment for :

Volume of a liquid

a)

Instrument : Metre ruler ; S.I. Units: metres (m)

b)

Instrument : Stop watch ; S.I. Units: seconds (s)

c)

Instrument : Chemical balance ; S.I. Units: kilograms (kg)

d)

Instrument : Measuring cylinder ; S.I. Units: litres (l)

e)

Instrument : Thermometer ; S.I. Units: degrees centigrade (`C)

18.

Choose the correct Measurement Statment for :

Temperature

a)

Instrument : Metre ruler ; S.I. Units: metres (m)

b)

Instrument : Stop watch ; S.I. Units: seconds (s)

c)

Instrument : Chemical balance ; S.I. Units: kilograms (kg)

d)

Instrument : Measuring cylinder ; S.I. Units: litres (l)

e)

Instrument : Thermometer ; S.I. Units: degrees centigrade (`C)

19.

What is the value in grams for 1.3Kg

a)

130g

b)

1300g

c)

1030g

d)

1003g

20.

What is the value in centimetres for 2.05m

a)

205cm

b)

2050cm

c)

250cm

d)

2.05cm

21.

What is the value in seconds for 3 minutes

a)

120 seconds

b)

60 seconds

c)

180 seconds

d)

240 seconds

22.

What is this lab apparatus?

a)

Test Tube

b)

Test tube rack

c)

Beaker

d)

Measuring cylinder

e)

Bunsen burner

23.

What is this lab apparatus?

a)

Test Tube

b)

Test tube rack

c)

Beaker

d)

Measuring cylinder

e)

Bunsen burner

24.

What is this lab apparatus?

a)

Test Tube

b)

Test tube rack

c)

Beaker

d)

Measuring cylinder

e)

Bunsen burner

25.

What is this lab apparatus?

a)

Test Tube

b)

Test tube rack

c)

Beaker

d)

Measuring cylinder

e)

Bunsen burner

26.

What is this lab apparatus?

a)

Test Tube

b)

Test tube rack

c)

Beaker

d)

Measuring cylinder

e)

Bunsen burner

27.

What is this lab apparatus?

a)

Conical flask

b)

Round bottomed flask

c)

flat bottomed flask

d)

Clamp stand

e)

Tripod stand

28.

What is this lab apparatus?

a)

Conical flask

b)

Round bottomed flask

c)

flat bottomed flask

d)

Clamp stand

e)

Tripod stand

29.

What is this lab apparatus?

a)

Conical flask

b)

Round bottomed flask

c)

Flat bottomed flask

d)

Clamp stand

e)

Tripod stand

30.

What is this lab apparatus?

a)

Conical flask

b)

Round bottomed flask

c)

Flat bottomed flask

d)

Clamp stand

e)

Tripod stand

31.

What is this lab apparatus?

a)

Conical flask

b)

Round bottomed flask

c)

Flat bottomed flask

d)

Clamp stand

e)

Tripod stand

32.

What is this lab apparatus?

a)

Pipette or dropper

b)

Spatula

c)

Funnel

d)

Wire gauze

33.

What is this lab apparatus?

a)

Pipette or dropper

b)

Spatula

c)

Funnel

d)

Wire gauze

34.

What is this lab apparatus?

a)

Pipette or dropper

b)

Spatula

c)

Funnel

d)

Wire gauze

35.

What is this lab apparatus?

a)

Pipette or dropper

b)

Spatula

c)

Funnel

d)

Wire gauze

36.

What is this lab apparatus?

a)

Evaporating dish

b)

test tube holder

c)

Heat proof mat

37.

What is this lab apparatus?

a)

Evaporating dish

b)

Test tube holder

c)

Heat proof mat

38.

What is this lab apparatus?

a)

Evaporating dish

b)

Test tube holder

c)

Heat proof mat

39.

What is this lab apparatus?

a)

Evaporating dish

b)

Test tube holder

c)

Heat proof mat

40.

What are the three components of the Fire Triangle?

a)

Oxygen

b)

Nitrogen

c)

Heat

d)

Water

e)

Fuel

41.

In the Fire Triangle ; Oxygen is one of the components, what is the correct definition for it?

a)

is a liquid

b)

Is a gas needed for burning (combustion)

c)

is a solid

d)

is a gas but does not help combustion

42.

In the Fire Triangle ; Heat is one of the components, what is the correct definition for it?

a)

cold temperature

b)

ice

c)

source of ignition can be from a match stick, a spark, friction, the sun, hot temperature

d)

water

43.

In the Fire Triangle ; Fuel is one of the components, what is the correct definition for it?

a)

A substance that burns (combusts) easily. Such material is flammable , example wood , paper, acetone

b)

A substance that does not burn. Such material is inflammable , example water, ice, nails

44.

From the 3 elements in a Fire Triangle how many elements do you need for a fire to start?

a)

0

b)

1

c)

2

d)

3

45.

Fire extinguishers remove at least one of the elements of the fire triangle in order to extinguish a fire. Which Element does this type of fire extinguisher remove?

Water Fire Extinguisher

a)

Oxygen

b)

Heat

c)

Fuel

46.

Fire extinguishers remove at least one of the elements of the fire triangle in order to extinguish a fire. Which Element does this type of fire extinguisher remove?

Powder Fire Extinguisher

a)

Oxygen

b)

Heat

c)

Fuel

47.

Fire extinguishers remove at least one of the elements of the fire triangle in order to extinguish a fire. Which Element does this type of fire extinguisher remove?

Carbon dioxide Fire Extinguisher

a)

Oxygen

b)

Heat

c)

Fuel

48.

Fire extinguishers remove at least one of the elements of the fire triangle in order to extinguish a fire. Which Element does this type of accesory remove?

Fire Blanket

a)

Oxygen

b)

Heat

c)

Fuel

49.

In case your clothes catch fire which sequence do you need to follow to be safe?

a)

Drop, Stop, Roll

b)

Drop, Roll , Stop

c)

Stop, Drop , Roll

d)

Stop Roll, Drop

50.

Which is the best fire extinguisher for :

solid Combustible material such as wood or paper

a)

Water Fire extinguisher

b)

Powder Fire extinguisher

c)

Carbon dioxide fire extinguisher

d)

Fire blanket

51.

Which is the best fire extinguisher for :

Small Oil fires (typical in a pan when cooking)

a)

Water Fire extinguisher

b)

Powder Fire extinguisher

c)

Carbon dioxide fire extinguisher

d)

Fire blanket (or the lid of the pan)

52.

Which is the best fire extinguisher for :

Electrical fires (example Computer)

[More than one extinguisher can be used]

a)

Water Fire extinguisher

b)

Powder Fire extinguisher

c)

Carbon dioxide fire extinguisher

d)

Fire blanket (or the lid of the pan)

53.

In this Bunsen Burner which is : A

a)

Hot Part of the flame

b)

Cold Part of the flame

c)

Barrel - to raise the height f the flame for ease of use

d)

Collar - turned to open or close the air hole to obtain the required flame type.

e)

Air hole - to allow air to enter the burner

54.

In this Bunsen Burner which is : B

a)

Hot Part of the flame

b)

Cold Part of the flame

c)

Barrel - to raise the height f the flame for ease of use

d)

Collar - turned to open or close the air hole to obtain the required flame type.

e)

Air hole - to allow air to enter the burner

55.

In this Bunsen Burner which is : C

a)

Hot Part of the flame

b)

Cold Part of the flame

c)

Barrel - to raise the height f the flame for ease of use

d)

Collar - turned to open or close the air hole to obtain the required flame type.

e)

Air hole - to allow air to enter the burner

56.

In this Bunsen Burner which is : F

a)

Hot Part of the flame

b)

Cold Part of the flame

c)

Barrel - to raise the height f the flame for ease of use

d)

Collar - turned to open or close the air hole to obtain the required flame type.

e)

Air hole - to allow air to enter the burner

57.

In this Bunsen Burner which is : G

a)

Hot Part of the flame

b)

Cold Part of the flame

c)

Barrel - to raise the height f the flame for ease of use

d)

Collar - turned to open or close the air hole to obtain the required flame type.

e)

Air hole - to allow air to enter the burner

58.

In this Bunsen Burner which is : D

a)

Gas Connection / Gas inlet - The place where the gas tube attaches to the bunsen burner

b)

Gas Tube/ Gas Hose/ Rubber tubing - to carry the gas from the gas tap

c)

Metal Base - Wide and heavy so that the burner is less likely to topple

d)

Gas jet - mixes the gas with the air

e)

Gas Tap / Gas Vale - regulates the gas supply to the bunsen burner

59.

In this Bunsen Burner which is : E

a)

Gas Connection / Gas inlet - The place where the gas tube attaches to the bunsen burner

b)

Gas Tube/ Gas Hose/ Rubber tubing - to carry the gas from the gas tap

c)

Metal Base - Wide and heavy so that the burner is less likely to topple

d)

Gas jet - mixes the gas with the air

e)

Gas Tap / Gas Vale - regulates the gas supply to the bunsen burner

60.

In this Bunsen Burner which is : H

a)

Gas Connection / Gas inlet - The place where the gas tube attaches to the bunsen burner

b)

Gas Tube/ Gas Hose/ Rubber tubing - to carry the gas from the gas tap

c)

Metal Base - Wide and heavy so that the burner is less likely to topple

d)

Gas jet - mixes the gas with the air

e)

Gas Tap / Gas Vale - regulates the gas supply to the bunsen burner

61.

In this Bunsen Burner which is : I

a)

Gas Connection / Gas inlet - The place where the gas tube attaches to the bunsen burner

b)

Gas Tube/ Gas Hose/ Rubber tubing - to carry the gas from the gas tap

c)

Metal Base - Wide and heavy so that the burner is less likely to topple

d)

Gas jet - mixes the gas with the air

e)

Gas Tap / Gas Vale - regulates the gas supply to the bunsen burner

62.

In this Bunsen Burner which is : J

a)

Gas Connection / Gas inlet - The place where the gas tube attaches to the bunsen burner

b)

Gas Tube/ Gas Hose/ Rubber tubing - to carry the gas from the gas tap

c)

Metal Base - Wide and heavy so that the burner is less likely to topple

d)

Gas jet - mixes the gas with the air

e)

Gas Tap / Gas Vale - regulates the gas supply to the bunsen burner

63.

The size and colour of the flame vary according to the amount of air is introduced as well as the amount of gas flowing. the amount of air let in ca be changed by opening or closing the airhole. What are the properties of a YELLOW FLAME [More than one answer is correct]:

a)

Stand by, not used to heat chemicals

b)

Luminous and wavy flame

c)

Obtained by closing the air hole

d)

Colder than the blue flame

e)

Sooty and Silent

64.

The size and colour of the flame vary according to the amount of air is introduced as well as the amount of gas flowing. the amount of air let in ca be changed by opening or closing the airhole. What are the properties of a BLUE FLAME [More than one answer is correct]:

a)

Ssed to heat chemicals

b)

Non-Luminous (not visible) and straight flame

c)

Obtained by opening the air hole

d)

Luminous flame and wavy

e)

Hot, Clean and Noisy

65.

Which is this type of flame?

a)

Bunsen Burner with Yellow Flame

b)

Bunsen Burner with Blue Flame

66.

Which is this type of flame?

a)

Bunsen Burner with Yellow Flame

b)

Bunsen Burner with Blue Flame

67.

Is this the correct order to light a bunsen burner?

1. The bruning match is brough close to the Top of the barrel.

2. The bunsen burner is put on a heat proof mat.

3. The match is struck.

4. The flame is adjusted to produce a blue flame.

5. Safety rules are observed. Fire blanket is noted and long hair is bundled and loose clothes are tucked in.

6. The air hole is closed.

7.The gas tap is turned on.

a)

True

b)

False

68.

Is this the correct order to light a bunsen burner?

1. Safety rules are observed. Fire blanket is noted and long hair is bundled and loose clothes are tucked in.

2. The bunsen burner is put on a heat proof mat.

3. The air hole is closed.

4. The match is struck.

5.The gas tap is turned on.

6. The bruning match is brough close to the Top of the barrel.

7. The flame is adjusted to produce a blue flame.

a)

True

b)

False

Reset

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