Scientific Method

Question 1

What is an experiment?

Answer 1

A test on a small part of the world around us.

Question 2

What is a observations?

Answer 2

What is seen heard smelt felt and tasted.

Question 3

Give me a quantitative observation.

Answer 3

The sky is a yellowie,blue today

Question 4

Give me a qualitative observation.

Answer 4

I woke up at 6:45 today

Question 5

What is an inference?

Answer 5

A logical explanation based on your observations.

Question 6

Tool and unit to measure Mass

Answer 6

A beam balance.

g (grams) and kg (kilo grams)

Question 7

Tool and unit to measure time.

Answer 7

Stopwatch

s (seconds)

Question 8

Tool and unit to measure volume.

Answer 8

Measuring cylinder

ml (millileters) and/or L (liters)

Question 9

Tool and unit to measure temprature.

Answer 9

Themoniter

°C (degrees celcius)

Question 10

Tool and unit to measure length.

Answer 10

Ruler

M (meters) ,mm….ect

Question 11

What is a meniscas?

Answer 11

Question 12

How can you stop parralax error?

Answer 12

By putting your measuring cylinder on a flat surface and look at it eye level.

Question 13

How can you record measurments wrongly?

Answer 13

• Not writing down the measurments as soon as you know them.
• Using factors (not decimals)
• Not making sure everyone in the group has a copy.

Question 14

What is analysing?

Answer 14

Looking for patterns and trends in a experiment.

Question 15

What is primary data?

Answer 15

You collected it yourself.

Question 16

What is secondary data?

Answer 16

Data that is from another source.

Question 17

Why would you use seconday data?

Answer 17

• Dangerous
• No acces to equipment
• Too expensive
• For comparison to your data
• Location
• Too hard to conduct

Question 18

What is a anatomy?

Answer 18

A data point that does not fit a trend (ignore it).

Question 19

What are mistakes?

Answer 19

These happen when you do not take enough care. These are sometimes known as human errors.

Question 20

What are errors?

Answer 20

These are small and uncontrollable variations that occure naturally in experiments.

Question 21

What are some mistakes?

Answer 21

• Spilling material
• Using the wrong equipment
• Inncorrectly writing the measurment down
• Parralax error

Question 22

What are some errors?

Answer 22

• Reading error
• Instrument error
• Human reflex
• Zero error

Question 23

What is an aim in an experiment?

Answer 23

to determine…..

to measure……..

to find out……….

Question 24

What does CMS stand for?

Answer 24

C: Changed

M: Measured

S: same

Question 25

What is a independent variable?

Answer 25

What you changed in a experiment.

Question 26

What is a dependent variable?

Answer 26

What you measure

Question 27

What is a controlled variable?