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ACT Science 2.3 Research Summary Passage
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ACT Science: Research Summary Passage Drill 2, Problem 3. Why is the salt left behind in the distillation chamber after boiling?

ACT Science 2.2 Research Summary Passage
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ACT Science: Research Summary Passage Drill 2, Problem 2. Why is the filter paper effective at removing sand from the water?

ACT Science 2.5 Research Summary Passage
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ACT Science: Research Summary Passage Drill 2, Problem 5. What do you think the student did wrong?

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ACT Science 1.3 Research Summary Passage 207 Views


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ACT Science: Research Summary Passage Drill 1, Problem 3. What is the time course of the experiment?

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Transcript

00:03

Here's your Shmoop du jour, brought to you by Time, a subsidiary of Space-time Continuum, Inc.

00:10

"Time: It makes matter matter."

00:15

Here's a passage about an experiment performed on the communication of honey bees.

00:23

And our question is: "What is the time course of the experiment?"

00:28

Here are the potential answers...

00:32

Sounds pretty straightforward. This question just wants to make sure that we know how to

00:36

understand the experiment that took place.

00:39

So where can we find how long the experiment took?

00:42

That information could be present in the text of the passage,

00:45

but to be real, we're not seeing it here.

00:48

"Sampled the air..." yada yada... "Waggle dancing..." et cetera... Nope.

00:51

The passage isn't specific about how long it took.

00:54

But ah, wait! We've also got a figure full of experiment data.

00:58

In fact, the very tiniest numbers at the bottom are our guide to the horizontal time axis.

01:03

Hang on, let's try something we saw on TV.

01:06

Zoom... and enhance.

01:08

Zoom... enhance.

01:09

Zoom....

01:10

Enhance.

01:11

So, our answer was in the figure. The study clearly went on for more than 18

01:16

minutes, and the only possible answer that's longer than 18 minutes is option D: 19 minutes.

01:21

Have to hand it to the chromatographers for basically sniffing a beehive for 19 minutes.

01:26

Last time we sniffed something for that long, there was a pizza in the oven...

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