What are limits placed on finding possible solutions to engineering problems?

What is it when we have a group discussion and just throw idea's of solutions out without others judging them?

What do we call the original design of something that later designs are developed or improved upon?

Which of these is a method for collecting data?

This is when we compare observations and data to reach a conclusion about them.

This is when we improve on the solution or design of an investigation.

These are what sets the measure for success in an investigation.

This type of investigation is based from your beliefs and opinions instead of verifiable evidence.

This is what we choose to change in an experiment.