Question

can someone check my answers?

Answer 1

Question 11
Keera decided to investigate how the growth of plants is affected by the time of day it is watered. She placed an equal amount of potting soil in three identical pots and planted three bean plants in each pot. The pots were placed on the same table so that they received the same amount of light. One pot was watered at sunrise, one at noon, and the last pot at sunset. After ten days, the height of each individual plant was measured and recorded. What is the independent variable in this investigation?

the resulting height of each plant
the time of day the plants were watered
the amount of sunlight received by each plant
the amount of water received by each plant

Question 12
A weight loss supplement is advertised in several popular beauty and fashion magazines. The advertisements claim that "the supplement can help anyone lose up to 2 inches off their waist in 60 days.” What would be the best way to increase the scientific reliability of this claim?

Advertise at local fitness clubs and in fitness magazines.
Find a famous actor or actress to endorse the product.
Include before and after photos in the advertisement.
Have the product tested by an independent organization.

Question 13
You want to investigate how the color of light affects the growth of plants. The best resource for reliable scientific information to help you with your hypothesis would be a(n)

book on the species of plants grown in your area
magazine article on gardening
article documenting experiments with their results
website containing information about light sources

Question 14
A scientist in New York and a scientist in California both conducted independent investigations that produced similar results. What does this mean about the data that was collected?

The findings are considered stronger and more reliable.
The scientists will have to compete for the credit for this discovery.
The scientific community will vote on the name of any resulting theory, in order to keep things fair.
The findings are automatically promoted to a law because they were proven by two different scientists.

Question 15
Sue conducts a series of experiments to investigate the effects of UV radiation on bacteria growth. In order to verify and strengthen her findings, she asks another scientist to conduct the same experiments in an independent investigation. The results of the second investigation are expected to be

similar because the same procedure is followed in each investigation.
different because they are being conducted by a different scientist.
similar because the second scientist will make sure the results match.
different because the scientists are in competition.

Answer 2

11)b
12)d
13)?
14)a
15)a

Answer 3

yay c: i told you literally an hour!

Answer 4

and i think 13 is d. is that right? .-.

Answer 5

Everything looks correct to me ! good job !!

Answer 6

yep.u are right .