WorksheetsKS3 Working Scientifically
Total questions: 24
Worksheet time: 12mins
what does this safety symbol mean?
flammable
light on fire
get the fire extinguisher
can burn your skin
what does this safety symbol mean?
irritant
impossible
impractical
can only be used by people with names starting with I
Your prediction and explanation of what will happen in an experiment is known as the...
Hypothesis
Conclusion
Procedure
Evaluation
A variable you keep the same each time you carry out an experiment is called the...
Independent variable
Dependent variable
Control variable
A variable you change each time you carry out an experiment is called the...
Independent variable
Dependent variable
Control variable
A variable you measure each time you carry out an experiment is called the...
Independent variable
Dependent variable
Control variable
Which of the following should you include in a risk assessment?
List of hazards
Whether there is a high, medium or low risk from each hazard
Precautions you should take to avoid the hazard
All of these
The instructions for how to carry out an experiment are called the...
Method
Recipe
Guidelines
Itinerary
what does this safety symbol mean?
may cause cancer
can destroy your skin
corrosive
caution
Repeating your experiment three times and calculating a mean average makes your result more...
Valid
Accurate
Reproducible
Repeatable
You have carried out a fair test if...
All your results support your hypothesis
You repeat each observation three times and calculate a mean average
Someone else repeats your experiment and gets the same result
Your only change one variable during your experiment
If three groups in the same class all carry out the same experiment and get the same results, then the experiment is...
Valid
A fair test
Biased
Reproducible
A measurement that is close to it's true value is...
Precise
Accurate
Fair test
Reliable
Results gained from a fair test are...
Fair test
Valid
Reliable
Precise
