Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table...

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Graphs, Tables and Variables By the end of the lesson you should be able to: 1) Draw a results table 2) Decide whether a line graph or bar chart is most appropriate 3) Draw a perfect graph 4) Remember the important variables words and use them properly.

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Transcript of Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table...

Page 1: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Graphs, Tables and Variables

By the end of the lesson you should be able to:1) Draw a results table2) Decide whether a line graph or bar chart is most

appropriate3) Draw a perfect graph4) Remember the important variables words and use them

properly.

Page 2: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

-er describing words

faster

brighter

Patterns!

Page 3: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

The ______er the ____ the _______er the__________

Page 4: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

The ______er the ____ the _______er the__________

Page 5: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

The ______er the ____ the _______er the__________

1000cc125cc 500cc

Page 6: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

The ______er the ____ the _______er the__________

40p £1.99£4.99

Page 7: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

As the ________ increased then the _________increased/decreased/did nothing.

Age

Score in a maths test

Page 8: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

As the ________ increased then the _________increased/decreased/did nothing.

Height of the person

Score in a maths test

Page 9: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

As the ________ increased then the _________increased/decreased/changed.

Fitness of the person

Time taken to run 100m

Page 10: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How to draw a perfect table

Page 11: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Independent variable

The variable you change to see what happens.

Page 12: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Dependent variable

The variable that you measure.

Page 13: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How to draw a perfect table

I.V. D.V.

Page 14: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

• An experiment to see if drinking coke makes me stay awake longer than drinking water.

• An experiment to see which type of fish food makes my fish live longer

• An experiment to see which type of oil makes my car brake faster

• An experiment to see whether boys or girls are better at scoring goals in football

• An experiment to see if Pantene or Herbal Essences makes your hair more shiny

• An experiment to see which type of bait attracts the biggest fish

Page 15: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Graphs

• Continuous variable for IV• Line graph• The perfect line graph looks like…

• Discrete/categoric variable for IV• Bar chart• The perfect bar graph looks like…

Page 16: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Example

Does the temperature of the washing machine affect the percentage of stains removed from my clothes?

10°c = 20%70°c = 5%40°c = 90%50°c = 50%20°c = 50%30°c = 80%60°c = 30%

Page 17: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Odd results

X

XX

X

X

XX

Length of foot

Height of person

Page 18: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Continuous variables

Variables that can have any numerical value. You should use a line graph to show this type of data.

Page 19: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Categoric variables

Variables that are described by labels. You should use a bar chart to show this type of data.

Page 20: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Reliability

If someone else can repeat your measurements and get the same results then your results are reliable. Carrying out repeat measurements checks the reliability of your results.

Page 21: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Independent variable

The variable you change to see what happens.

Page 22: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Dependent variable

The variable that you measure.

Page 23: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Control variables

The factors you need to keep the same to make your test fair

Page 24: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

A fair test

An investigation or experiment where only the independent variable has been allowed to affect the dependent variable. This means only changing one variable and keeping everything else the same.

Page 25: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Validity

Your results must be valid if you are going to be able to draw a conclusion from them. To get valid results you need to carry out a fair test.

Page 26: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Continuous variables

Variables that can have any numerical value. You should use a line graph to show this type of data.

Page 27: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

How Science Works

Categoric variables

Variables that are described by labels. You should use a bar chart to show this type of data.

Page 28: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Precise Independent variable

2 marks Random errors

Line graph Accurate Continuous variable

Bar chart

Control variable

Units Valid Dependent variable

Reliable 25% Systematic errors

Fair test

Categoric variable

Take repeats and average

4 marks 24.9887%

Page 29: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Investigation Words Bingo!

• IV• DV• Reliable• Control variables• Control experiment• Accurate• Precise• Fair test• Biased• Valid

Page 30: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

KEY WORDS

PreciseIndependent variable Accurate

Random errorsLine graph Causal relationshipContinuous variable Bar chart

Control variable Units Valid Dependent variable

Reliable Systematic errors Fair testCategoric variable Take repeats and average

Correlation

Page 31: Graphs, Tables and Variables By the end of the lesson you should be able to: 1)Draw a results table 2)Decide whether a line graph or bar chart is most.

Precise Independent variable

Accurate Random errors

Line graph Causal relationship

Continuous variable

Bar chart

Control variable

Units Valid Dependent variable

Reliable 25% Systematic errors

Fair test

Categoric variable

Take repeats and average

Correlation

24.9887%


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