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Transcript

Joke Time!

Work and roll.

Research shows that collaborative problem-solving leads to better outcomes.

What's a team's favorite type of music?

What?

Ha!

Opposing Ideas

Each of the scientists on our team has a different argument, or hypothesis, about the factors that impact longevity. Throughout this internship, you'll research their hypotheses to see which are correct. Click on each teammate's picture to hear their thoughts. After watching each video, discuss the following question with a partner: Do you think the scientist's argument is explains why people in some places live 10 to 15 years longer than people in the United States? Why or why not?

What were your thoughts on each argument? Did you find some more convincing than others? Scientific arguments have specific criteria that strengthen their validity. Watch the Scientific Argumentation video to gain insights into these criteria.

What is argumentation?

Parts of an Argument

claim

Scientific Argumentation

evidence

reasoning

a hypothesis, or educated guess, about how something works or what might happen

the explanation that connects the evidence to the claim

facts, data, or observations that support or refute a claim

Let's make sense of what we just learned. Drag the definitions of claim, evidence, and reasoning to the correct box. Once completed click on the green eye to check the answer.

The ice cubes in Set A were round, but the ice cubes in Set B were square. The same amount of salt was put on each.

In an experiment, two identical sets of ice cubes were used. Set A was placed in plain water, and Set B was placed in water with dissolved salt. Set B melted in 15 minutes, while Set A took 30 minutes to melt completely.

The scientist observed both sets of ice cubes for 30 minutes but did not take measurements to show which melted faster.

Which piece of evidence best supports the following claim: Adding salt to water will decrease the time it takes for ice to melt.

Keep Going!

That's RighT

NEXT QUESTION

Evidence should always include facts, evidence, or observations that support or refute the claim. This piece of evidence includes specific data related to the ice cube observations.

The air temperature directly impacts the rate at which the ice melts.

Ice melts faster in saltwater because the salt lowers the freezing point of water, causing the ice to melt more quickly.

The speed of ice melting in saltwater is the same as in plain water, as salt has no impact on the melting process.

Select the reasoning that best supports the claim and evidence about the ice cube experiment.

Keep Going!

That's RighT

Remember, reasoning should always connect the claim and evidence. In this example, the reasoning explains why Set B melted faster than set A.

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You Did IT!!

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Great Job!

Dr. Carter

I see you've gotten straight to work. Remember, your first job as my intern is to research the claims made by the rest of our teammates. I'd really like to hear your thoughts about argumentation and how evidence and reasoning are used to support claims. Send me a message on our Innovation Zone Chat to tell me what you've learned so far.Looking forward to hearing from you,Dr. Carter

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a hypothesis, or educated guess, about how something works or what might happen

the explanation that connects the evidence to the claim

facts, data, or observations that support or refute a claim