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Science sec 1 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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Biology 101 flashcards
1
Q

Science is divided into the following branches

A

Physics
Chemistry
Biology

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2
Q

What is the study of Physics?

A

Study of matter, forces and energy

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3
Q

What is the study of Chemistry?

A

Study of structure, properties and changes of substances

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4
Q

What is the study of Biology?

A

Study of living things

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5
Q

A scientist studies and practices science through scientific inquiry involving

A

Attitudes
Skills
Processes

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6
Q

What are the proper attitudes required

A 
Creative
Cooperative
Curious
Humble
Imaginative
Objective
Open Minded
Perseverance
Responsible
Truthful
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7
Q

How is being creative important?

A

Thinking out of the box to resolve problems

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8
Q

How is being cooperative important?

A

Working as a team and sharing information with each other, building new research and observations

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9
Q

How is being curious important?

A

Continuously asking ‘why’ sourcing for solution and explanation

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10
Q

How is being humble important?

A

Willing to accept their wrongs and change their ideas

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11
Q

How is being imaginative important?

A

Generate possibilities about the things that they cannot see or don’t know

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12
Q

How is being open minded important?

A

Not bias and open to new ideas at the same time not believing that all read and discovered is true

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13
Q

How is being perseverance important?

A

Determination

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14
Q

How is being responsible important?

A

Ensure that we dot harm or destroy endangered animals or plants

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15
Q

How is being truthful important?

A

Honest whilst recording data through experiment

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16
Q

What are the skills needed in Science?

A 
Posing questions
Observing
Measuring
Communication
Inferring
Predicting
Formulating hypothesis
Thinking skilld
17
Q

What is step 1 in conducting experiments?

A

The hypothesis or aim of experiment

18
Q

What is step 2 in conducting experiments?

A

Planning of experiment

19
Q

What is step 3 in conducting experiments?

A

Method

20
Q

What is step 4 in conducting experiments?

A

Recording result

21
Q

What is step 5 in conducting experiments?

A

Conclusion, inferring from result

22
Q

What is step 6 in conducting experiments?

A

Evaluate, to state limitation and suggest in which way the experiment can be improved

23
Q

What are the types of hazardous symbols?

A 
Corrosive
Explosive
Flammable
Harmful
Poisonous
Radioactive
24
Q

What are common apparatus in science labs?

A 
test tube
conical flask
tripod stand
filter funnel
measuring cylinder
evaporating dish
beaker 
restort stand
dropper
25
Q

What is the first step in dealing with bunsen burner?

A

Ensure connect to gas tap with rubber tubing

26
Q

What is the second step in dealing with bunsen burner?

A

Turn the collar to close airhole

27
Q

What is the third step in dealing with bunsen burner?

A

Hold lighter near top of barrel

28
Q

What is the fourth step in dealing with bunsen burner?

A

Turn on gas tap slowly

29
Q

What is the fifth step in dealing with bunsen burner?

A

Ignite burner with lighter

30
Q

What is the sixth step in dealing with bunsen burner?

A

Open airhole

31
Q

What are the 2 types of flame that the bunsen burner produces

A

luminous

non luminous

32
Q

When does a luminous flame occur?

A

When the air-hole is closed, little air passing hence does not burn completely

33
Q

When does a non luminous flame occur?

A

When the air-hole is open, a steady stream of air enters hence gas burn completely

34
Q

What are characteristics of luminous flame?

A 
yellow
weak and unsteady
not very hot
produces smoke and soot
not suitable for heating
35
Q

What are characteristics of non luminous flame?

A 
blue
strong and steady
very hot
does not produces smoke and soot
suitable for heating

Science sec 1 (2 decks)

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