iheartfood 2 years ago Problem 1: What is a control? A. a variable or variables that you manipulate during an experiment B. a variable or variables that change with the independent variable C. a variable or variables that you must keep constant during an experiment D. a variable or variables for which you cannot account *** my answer: C idk is that correct??? :D

1. iheartfood

@sauravshakya ?? :D

2. iheartfood

hiya @TranceNova :) do u get this?? :D

3. TranceNova

(sorry! a little distracted by other things at the same time :P)

4. iheartfood

Problem 2: In an experiment, Shara feeds her rat different brands of rat food (brands X, Y, and Z) each for 2 weeks and weighs the rat over several days during the period of each diet. What is the independent variable? A. the rat's change in weight during the period B. the duration of each period C. the amount of water that the rat gets in each period D. the brand of food that Shara feeds the rat *** my answer: D is this one correct as well?? :D

5. iheartfood

it's okay @TranceNova :P and i posted 2 questions in one post :) problem 1 and problem 2 :) are they correct?? is #1 answer C and is number 2 answer D??

6. iheartfood

@ganeshie8 do u understand theses??

7. iheartfood

hi @phi!!! :) do u get these?? :D are my answers correct?? idk 100% :(

8. iheartfood

*these ^^ lol :P

9. TranceNova

the first one is correct :) I keep getting distracted from reading the second

10. sauravshakya

U mean control variable?

11. iheartfood

yeah :)

12. phi

sounds good

13. iheartfood

@phi, you mean BOTH answers sound good?? lol so are y'all saying C is the answer to problem 1??

14. iheartfood

and is D the answer to problem 2??? :) is that it?? :D

15. iheartfood

what do y'all think?? :D

16. TranceNova

Well given that the independent variable is the thing that "you change" in the experiment - you got it right :)

17. iheartfood

so yes??? both my answers are correct then?? :D

18. sauravshakya

Ya. its D for second one.

19. iheartfood

=O

20. iheartfood

thank youuuu :) thanks everybody for all the help!! :D

21. iheartfood

really appreciate the help!!! :D

22. TranceNova

Well done at getting them right without any help :D

23. iheartfood

haha thanks :) but thanks for the explanations and clarifications and shtuff :)