Match the vocabulary words with the definitions.
A standard against which change can be measured | The use of scientific methods to test your hypothesis | Objects or Ideas that represent things. | something that can change in a test | step by step instructions for completing a task | |
|---|---|---|---|---|---|
Control Group | |||||
Experiment | |||||
Models | |||||
Variable | |||||
Procedures |
can be questionnaires, or interviews to do investigations.
is another way to collect data which uses random individuals from a population.
A hypothesis is an if then statement of what you think will happen in the experiment.
The only way to test a scientific hypothesis is to perform an experiment.
The steps used in scientific methods must always be performed in the same order.
Name 3 steps of the scientific method.
Suppose two scientists perform the same experiment separately, but
their results are very different. What could they do to find out why this
happened?