Lesson+6-+How+do+scientist+ensure+their+experiments+are+reliable+and+valid?

=Directions: Watch the video below and fill in your notes. Come to class tomorrow prepared to take your entrance slip.= media type="youtube" key="bO8jDtuwYWg" height="315" width="420" Click on the icon below if you need to download another copy of the note handout for this lesson.