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REVIEW QUIZ (science)

Total questions: 27

Worksheet time: 28mins

Name
Class
Date
1.

Complete the statements about scientific method:


The scientific method is the _________ process scientists use to answer questions or simply gain knowledge.

a)

question

b)

step-by-step

c)

report

2.

Complete the statements about scientific method:


It starts by coming up with a ________ about an observation.

a)

question

b)

research

c)

conclusion

3.

Complete the statements about scientific method:


A _______ may be conducted to understand the chosen problem better.

a)

hypothesis

b)

report

c)

research

4.

Complete the statements about scientific method:


A _______ may be formulated to give a temporary answer to a question.

a)

hypothesis

b)

conclusion

c)

research

5.

Complete the statements about scientific method:


After analysis, a _________ must be reached.

a)

step-by-step

b)

conclusion

c)

report

6.

Complete the statements about scientific method:


The whole experiment process and its outcome can be communicated to others through the laboratory __________

a)

report

b)

question

c)

question

7.

Put the following steps of the scientific method in the proper order.


A. Research the problem.

B. Analyze data .

C. Make a hypothesis.

D. Identify the problem.

E. Arrive at a conclusion.

F. Test the hypothesis.

G. Communicate your result


put comma "," and NO SPACE

(a)  

8.

Identify if the statement follows precautionary measures:


Look down directly at the mouth of the test tube white heating.

a)
b)
9.

Identify if the laboratory operation is correctly done or not.


Mix small amount of liquid in a test tube by striking the side

gently.

a)
b)
10.

Identify if the laboratory operation is correctly done or not.


When transferring liquid, pour liquid directly but slowly to a test tube.

a)
b)
11.

Identify the statement follows precautionary measures:


Point the test tube being heated towards another person.

a)
b)
12.

Identify if the laboratory operation is correctly done or not.


Use your thumb to cover the test tube while shaking the

contents.

a)
b)
13.

Laboratory Safety Rules:


Keep your work area clean all the time.

a)
b)
14.

Laboratory Safety Rules:


Smell directly the chemicals.

a)
b)
15.

Laboratory Safety Rules:


Run around inside the laboratory.

a)
b)
16.

Laboratory Safety Rules:


Wear proper attire during an experiment.

a)
b)
17.

Laboratory Safety Rules:


Handle lab apparatus carefully.

a)
b)
18.

Kitchen activities such as cooking and baking involves application of common laboratory operations.


Cover the container and shake it for about 2-3 seconds.

a)

Mixing

b)

Transferring

c)

Heating

19.

Kitchen activities such as cooking and baking involves application of common laboratory operations


Set the pot over the gas stove.

a)

Mixing

b)

Transferring

c)

Heating

20.

Kitchen activities such as cooking and baking involves application of common laboratory operations.


Pouring the milk into a mixing bowl.

a)

Mixing

b)

Transferring

c)

Heating

21.

Kitchen activities such as cooking and baking involves application of common laboratory operations.


Add to tablespoons of butter into the mixture.

a)

Mixing

b)

Transferring

c)

Heating

22.

Kitchen activities such as cooking and baking involves application of common laboratory operations.


Melt the butter in the boiling pan.

a)

Mixing

b)

Transferring

c)

Heating

23.

What does this symbol means?

a)

harmful

b)

corrosive

c)

flammable

24.

What does this symbol means?

a)

explosive

b)

irritant

c)

flammable

25.

What does this symbol means?

a)

explosive

b)

harmful

c)

toxic

26.

What does this symbol means?

a)

toxic

b)

flammable

c)

harmful

27.

What does this symbol means?

a)

toxic

b)

harmful

c)

corrosive