Activities like those at the science circus stations succeed only ...

[jazziefee]

Activities like those at the science circus stations succeed only if they generate students
  ___________________ _.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

By middle school, students can design a greater variety of investigations, including experiments that involve more than one or two _________________.
 
  Fill in the blank(s) with the appropriate word(s).

[Tabitha_2016]

Answer to Question 1

Questions or interest

Answer to Question 2

Variables

[jazziefee]

Thanks

[Tabitha_2016]

Welcome