Experimenting

The ________ is based on what you observe and know.

• problem

• hypothesis

• variables

• materials

• procedure

After making a hypothesis and identifying the variables in a scientific problem, the next step is to __________.

• state the problem

• conduct an experiment

• compare your data with another person's data

The ________ is what your hypothesis will attempt to answer.

• problem

• hypothesis

• variables

• materials

• procedure

By identifying the variables iyour experimentn , you can also identify the ________ .

• problem

• hypothesis

• variables

• materials

• procedure

A clear and understandable ________ must be designed to avoid mistakes.

• problem

• hypothesis

• variables

• materials

• procedure

A scientist can decide to begin an experiment without a scientific problem.

• true

• false

Good procedures for experiments cannot be repeated.

• true

• false

When conducting experiments collected data do not need to be recorded.

• true

• false

If your observation does not match your hypothesis, you do not change anything.

• true

• false