Question

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

Answer 1

@sauravshakya ?? :D

Answer 2

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

Answer 3

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

Answer 4

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

Answer 5

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??

Answer 6

@ganeshie8 do u understand theses??

Answer 7

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

Answer 8

*these ^^ lol :P

Answer 9

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

Answer 10

U mean control variable?

Answer 11

yeah :)

Answer 12

sounds good

Answer 13

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

Answer 14

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

Answer 15

what do y'all think?? :D

Answer 16

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

Answer 17

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

Answer 18

Ya. its D for second one.

Answer 19

=O

Answer 20

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

Answer 21

really appreciate the help!!! :D

Answer 22

Well done at getting them right without any help :D

Answer 23

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