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Yearlies Science yr 7 > Introduction To Science > Flashcards

Introduction To Science Flashcards

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Biology 101 flashcards
1
Q

What is the correct sequence of headings when writing a scientific report?

A
  1. TITLE
  2. AIM
  3. HYPOTHESIS
  4. SAFETY PRECAUTIONS
  5. EQUIPMENT
  6. METHOD
  7. RESULTS
  8. DISCUSSION
  9. CONCLUSION
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2
Q

What do safety precautions do in a scientific report

A

Identifies risks in an experiment

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3
Q

What is a hypothesis in a scientific report?

A

An educated guess

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4
Q

What does the equipment do in a scientific report

A

Provides a list of things that will be needed to carry out the experiment

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5
Q

What are the results in a scientific report?

A

A place to record data or describe what was observed

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6
Q

What does the method do in a scientific report

A

Describes how the experiment was carried out

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7
Q

What does the title do in a scientific report

A

Tells us what the experiment is about

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8
Q

What does the conclusion do in a scientific report

A

Either contradicts or confirms the hypothesis

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9
Q

What does the aim in a scientific report do

A

Tells you what you are trying to find out

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10
Q

What does the discussion do in a scientific report

A

A summary of your findings

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11
Q

Convert ‘place the Bunsen burner under the tripod’ into past tense passive voice

A

The Bunsen burned was placed under the tripod

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12
Q

What are the major lab rules?

A

Always listen to the teacher

Always follow the teacher’s instructions

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13
Q

What are the lab safely rules?

A

No eating or drinking in the lab
No running in the lab
Wash hands after experiment
Tell the teacher about spills or breakages
When carrying out practical work do not sit in chairs or on the desk top
Put all equipment away when told to
Don’t leave your experiment unattended

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14
Q

Name the different beaches of science

A 
Biology
Chemistry
Geology
Physics
Ecology
Astronomy
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15
Q

What is the use of a Bunsen burner

A

Burns gas and provides a source of heat

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16
Q

What does a tripod do

A

Supports equipment above a Bunsen burner

17
Q

What does the gauze mat do?

A

Dispersed heat

18
Q

What does a retort stand do?

A

Holds a price of equipment above the desk

19
Q

What does a boss head do?

A

Connects a clamp to a retort stand

20
Q

What does a clamp do?

A

Helps to support equipment above the desk

21
Q

What does a beaker do?

A

Measures volumes of liquids

22
Q

What does a conical flask do?

A

A container for reactions which reduces the loss of chemicals

23
Q

What does a test tube do?

A

Holds small quantities of chemicals for reactions

24
Q

What does a measuring cylinder do?

A

Holds chemicals for reactions

25
Q

What units of measurement are used for length?

A

Centimetres
Metres
Kilometres
Millimetres

26
Q

Units of measurement for mass

A

Grams
Kilograms
Milligrams
Centigrams

27
Q

Units of measurement for time

A 
Seconds
milliseconds
Minutes
Hours
Days
Months
Years
Decades
28
Q

Units of measurement for temperature

A

Celsius

Fahrenheit

29
Q

Units of measurement for volume

A

Millilitres
Litres
Gallon

30
Q

Identify parts of a Bunsen burner

A 
Ocular lens
Objective lens
Adjustment knob
Arm
Stage
Stage clip 
Lamp/mirror
Base
31
Q

Compare the safety and heating flame

A

The safety flame is yellow/orange and not too hot where as the heating flame is blue and very hot

32
Q

How do you safely light a Bunsen burner?

A

Make sure the air hole is open, light the match, turn the gas on, put the match over the Bunsen burner and it should light.

33
Q

Define independent variable

A

The thing that you change during an experiment

34
Q

Define dependent variable

A

The thing that you measure during an experiment

35
Q

Define controlled variable

A

The thing that you keep the same during an experiment

Yearlies Science yr 7 (4 decks)

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