How Science Works Flashcards

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1
Q

Define accurate

A

Close to the true value of what your are measuring

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2
Q

Define analyse

A

The process of looking at data and writing about what you have found

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3
Q

What is a bar chart

A

A way or presenting data when one variable is categoric and the other is continuous

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4
Q

Define categoric

A

A variable that has values that are words

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5
Q

Define conclusion

A

What you write down to say what you’ve found out during an investigation

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6
Q

Continuous

A

A variable that has values that can be any number

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7
Q

Control variable

A

The variable you keep the same in an investigation

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8
Q

Data

A

Words or numbers that you obtain when you make observations or measurements

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9
Q

Dependant variable

A

A you variable that changes when you change the independent variable (what you measure)

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10
Q

Evaluate

A

To discuss that quality of data collected during an investigation and suggest improvements to the method

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11
Q

Independent variable

A

A variable you change that impacts the dependent variable (this you change)

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12
Q

Line graph

A

A way of presenting results when there are two numerical variables

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13
Q

Define spread

A

The difference between the highest and lowest measurements of a set of repeat measurements

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14
Q

What does this mean

A

Moderate health hazard

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15
Q

What does this do

A

Causes skin irritation

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16
Q

What does this mean

A

Serious health hazard

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17
Q

What does this do

A

Causes breathing difficulties

18
Q

What does this mean

A

Toxic

19
Q

What does this do

A

Could cause death if swallowed or inhaled

20
Q

What does this mean

A

Corrosive

21
Q

What does this do

A

Damages skin and clothing

22
Q

What does this mean

A

Fammable

23
Q

What does this do

A

Catches fire easily

24
Q

What does this mean

A

Oxidising

25
Q

What does this do

A

Makes flammable substances burn more fiercely

26
Q

What does this mean

A

Harmful to the environment

27
Q

What does this do

A

Could cause damage to animal and plant life

28
Q

What is the Hypothesis

A

A detailed explanation of why you are making the prediction

29
Q

What is metre (m) the unit of

A

Length

30
Q

What is square metre (m^2) the unit of

A

Area

31
Q

What is cubic centimetre (cm^3) the unit of

A

Volume

32
Q

What is kilogram (kg) the unit of

A

Mass

33
Q

What is celcius (degrees C) the unit of

A

Temperature

34
Q

What is pH the unit of

A

Measure of acidity or alkalinity of a solution

35
Q

What is newton (N) the unit of

A

Force

36
Q

What is second (s) the unit of

A

Time

37
Q

What is volt (V) the unit of

A

Electrical potential difference

38
Q

What is hertz (Hz) the unit of

A

Frequency

39
Q

What is decibel (dB) the unit of

A

Sound intensity

40
Q

What is joule (J) the unit of

A

Energy