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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 2.5 Research Summary Passage 192 Views


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Description:

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

Language:
English Language

Transcript

00:03

Try this shmoop on for size...

00:05

Why not conduct a little experiment of your own...

00:07

and hit pause so you can review the following passage.

00:16

One of the students ended up with the salt and sand together in the distillation chamber.

00:20

What do you think the student did wrong?

00:23

And here are the potential answers...

00:28

So what's this question asking?

00:29

Looks like a critical thinking problem.

00:32

We have to figure out why the experiment went wrong based on what we know.

00:35

First things first, what's the proper procedure for the experiment?

00:39

Let's just follow the steps that they gave us:

00:41

Step 1- filter paper. Step 2- distillation chamber.

00:46

What was supposed to happen during each step?

00:49

Step 1- remove sand. Step 2- isolate salt.

00:53

So what went wrong in this question?

00:56

This student ended up with salt and sand in the distillation chamber.

01:00

But...step 2 says we should only have salt left in the distillation chamber.

01:04

Somehow, this student forgot to get rid of the sand before using the chamber.

01:08

Hmm, how could that have happened?

01:10

Could it be...that the careless student forgot to do step 1?

01:14

Forgetting the first step in this experiment means that the sand never got removed from

01:18

the salt and water, and was left with the salt in the distillation chamber.

01:22

Sounds like exactly what happened to this poor befuddled student.

01:27

Option C's the correct answer.

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