Question

Students of a biology class ran an experiment to find the optimal time period for a plant to produce flowers. The plants were given 20 ml of water every day and were placed by the window to get sunlight for 6 hours. What is the dependent variable of the experiment?

a) Amount of sunlight
b)amount of water
c) number of days
d)number of flowers

Answer 1

the dependent variable is what you are looking for in the experiment

Answer 2

I got B , im just checking my work

Answer 3

they're looking for the amount of water?

Answer 4

No they asked what is the dependent variable of the experiment

Answer 5

i know, why do you think it's B?

Answer 6

Because dependent variable means
what doesnt change in the experiment

Answer 7

no, thats not it. The dependent variable is dependent on the other variables (which you control, called independent variables). The dependent variable is that is being looked for in the experiment.

Answer 8

think about it, which ones of these, can yo control?
a) Amount of sunlight
b)amount of water
c) number of days
d)number of flowers

Answer 9

You cant control sunlight thats for sure ummm

Answer 10

You can change the amount of water you put in

Answer 11

you can change the days you want to do the expirement

Answer 12

and you can put as many flowers as you want

Answer 13

Kinda confused

Answer 14

okay, you got water and days, right. they're independent variables.

The amount of sunlight is actually an independent variable as well. because you're putting the plants near a window. You can always move them out of the sunlight, so you ARE able to control the amount of sunlight.

The number of flowers is dependent on all these variables. you can't just put more flowers, thats not part of the experiment, you're testing for flower production, putting more flowers (without them growing by themselves defeats the purpose).

Answer 15

ohhhhhhhh i get it now ! Basically i want to see the specific results that they are measuring or observing when collecting data, so in this they want to find the time period for a plant to produce flowers

Answer 16

Answer is D

Answer 17

Number of flowers

Answer 18

yeah exactly. what you are looking for (observing/taking measurements of) is the dependent variable, because it depends on everything else.

Answer 19

So the answer is D

Answer 20

yes

Answer 21

Thank you, i have a few more im about to post

Answer 22

okay, i can probably only help you with 1 or 2 more, i have to go study, myself.