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Chemistry Videos 13 videos

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 1.6 Research Summary Passage 211 Views


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Description:

ACT Science: Research Summary Passage Drill 1, Problem 6. Which of the following best states the scientists' hypothesis?

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Transcript

00:03

Here’s your Shmoop du jour, brought to you by bees.

00:06

We could drone on and on about them, but it would be a-pollen.

00:17

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

00:22

And here's some pretty graphs, chart thingies...

00:31

And our test question: Which of the following best states the scientists’ hypothesis?

00:38

Here are your potential answers…

00:45

Looks like we’ve been asked to choose which

00:47

of the four possible answers best summarizes the scientists’ hypothesis.

00:51

Let’s take a peek:

00:54

Option A, the waggle dance is a type of mating ritual.

00:57

Found on jdate or bdate maybe.

01:00

Nope, not in this species, but we know a few folks who think it’s great.

01:06

B says “The waggle dance produces some type of airborne chemical signal for other honey bees”

01:11

In fact, that’s precisely what the scientists hypothesized.

01:15

Well, what about C and D?

01:17

“The waggle dance is only done by honeybees”

01:19

and “the waggle dance is only done in the hive”?

01:23

Neither of those were the hypothesis. Not even close to the right answer.

01:27

So there we have it, B’s our answer. B, as in…Wait for it…

01:29

Waaaaait… <whispers> Bees.

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