Question: Andi and Scott decided to investigate solar water heaters using collectors of different colors (but the same size) as one variable and covered versus uncovered as a second variable. Look at the graph of their data and answer the questions below. What does the graph tell you about the effect of using blue versus red collectors?
Reference answer: Solar water heaters with blue collectors heat up faster than solar water heaters with red collectors.

Student answer: Blue is very attracted to the heat whether it is covered or not. Red is not attracted.

Student answer: Blue will get hotter because it is a dark color and red is not.

Student answer: The blue absorbs most of the sun and red did not absorb most of the sun.

Student answer: That blue it is more dark than red.

Student answer: The blue covered got hotter and in the same amount of time than the red.

Student answer: Blue versus are warmer than red versus.

Student answer: Blue is more darker so it absorbs more heat and that is why it is bigger.

Student answer: It warms better.

Student answer: That the blue will heat up faster than the red because the blue is darker.

Student answer: Because the blue uncovered and the red covered is like the same like the blue uncovered.

Student answer: That the blue might be darker than the red.

Student answer: Because blue uncovered does not attract that much heat like the red one does.

Student answer: The blue collects more heat, because it is more darker than red.

Student answer: The blue color is kind of a color black and darker than red so that why the blue heat more than the red one.

Student answer: The blue gets hotter than the red maybe because the blue is darker than the red.

Student answer: The blue gathers more heat than the red.

Student answer: Blue heats water better.

Student answer: It is more better than using other colors.

Student answer: If a color is dark it will heat up more than a light one so blue was dark red was light.

Student answer: That heat up more fast than other.

Student answer: It tells me that the blue is winning and not the red.

Student answer: The blue heats up more than the red by just a little bit, so that tells the blue collects more solar energy.

Student answer: That blue is really high and that the red does not cover nothing so that means he is last.

Student answer: Blue absorb more heat than the red.

Student answer: That blue must be darker soil will absorb more than the red.

Student answer: The blue collectors had the highest effect it heated the most and the fastest.

Student answer: The graph tells me that blue will heat up faster than red, probably because blue is darker, which attracts heat faster.

Student answer: It tells me that blue heats the water more.

Student answer: It tells me that the blue collectors heat up faster than the blue collectors.

Student answer: The effect of using a blue cover can heat it up faster than red. Blue is also darker than red.

Student answer: Since red is lighter color it does not absorb much like white, but blue is darker so it is a little like black.

Student answer: The graph tells that the blue covered collected more heat than the red covered.

Student answer: Using blue collectors heat up quicker than red collectors.

Student answer: Tells me that blue covered and uncovered is hotter than red cover and uncovered.

Student answer: That the blue heats more than the red.