Scientific Data

First hand data is

• published data

• collected personally from an experiment

• sourced from the internet

• also known as qualitative data

Which answer below describes two quantitative and two qualitative pieces of data about a cat

• pointed ears, soft fur, large eyes, 4 legs

• lots of whiskers, grey eyes, multicoloured fur, 2 ears

• small mouth, 2 eyes, 4 legs, 2 ears

• 2 ears, 4 legs, round eyes, multicoloured fur

Four students performed an experiment in which the aim was: "To find out what made a water rocket shoot higher, more or less water". Which of the following is the best conclusion for their experiment?

• The experiment was fun and I learnt a lot

• The amount of water used had a direct influence on the height the rocket projected.

• The water rocket flew high into the air

• The water water rocket would have been more fun if we used soft drink instead

Qualitative data is

• predominantly observed and recorded

• non-numerical

• numerical

• classified as categorical data

There are many types of errors. Select the picture below that shows a parallax error

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There are many types of errors. Select the picture below that shows a human reflex error

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There are many types of errors. Select the picture below that shows a zero error

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There are many types of errors. Select the picture below that shows a instrumental error

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A class was asked to write a scientific report about the Pendulum experiment they completed in class. Which statement would be best to include in their method?

• We used a stopwatch to record the time it took for the pendulum to complete 5 periods

• Tape the string to the desk

• Tie the 50g weight to the end of the string, measure the length of the string (15cm, 30cm or 45cm) and tape to the bench.

• We collected all the equipment and took it to our bench

Tags

NGSS.MS-PS2-2

The control variable in this experiment is

• A

• B

• C

Tags

NGSS.MS-LS1-5