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3/14 - ER 2.6

Last updated 14 days ago
10 questions
Objective: KWBAT explain how and why scientists engage in arguments by reading about Rachel Carson’s work on pesticides in ecosystems.


Do Now

For the problems below, highlight the correct answer.
1

Grasses, trees, and flowers are called producers because they make or produce:

1

Today we’ll read about how scientists argue with each other. Before we read, do you agree or disagree with the statements below?

Agree
Disagree
Scientists argue only when they’re angry with one another.
Some scientists work alone, and others work in groups.
One way scientists convince others that their claims are correct is by repeating ideas again and again.
Scientists in different countries can work together.
Some organisms use dead things as food matter.
Communicating the results of scientific investigations is an important part of being a scientist.

Reading

Today, we’re going to read a book about the work of a scientist named Rachel Carson. She was concerned that something called pesticides, which are chemicals that kill insects and weeds, were harming many plants and animals in the ecosystem.
How do scientists convince others that their claims are correct?
📷
Directions:
  • Click HERE to begin reading Why Do Scientists Argue?
  • As you read, record evidence that supports our reading question above.
  • Then, answer the questions below.
1

A scientific argument starts with a claim. What was Rachel Carson’s claim?

1

That’s not what other scientists thought at the time. What did they claim?

Synthesizing Ideas About How Scientists Argue

1

Re-read pages 13 and 15 (white) by clicking HERE. What are two pieces of evidence from the text about how scientists convince others that their claims are correct?

1

Re-read page 12 (green) by clicking HERE. What are two pieces of evidence from the text about how Carson convinced others that her claim was correct?

1

Now think about how we’ve worked as ecologists to make arguments. What are some of the ways we support our thinking when we make a claim. List TWO ideas below.

Idea 1 - We use…
Idea 2 - We use…

1

New understanding:

Now it’s time to put it all together. Looking at

We learned that scientists such as Rachel Carson and ourselves use evidence in the form of data and other ideas to support their claims. That leads us to our new key point...

🔑 Key Point
Scientists convince others that their claims are correct by using data and ideas as evidence.
1

Reflect on What We’ve Learned:

Agree
Disagree
Scientists argue only when they’re angry with one another.
Some scientists work alone, and others work in groups.
One way scientists convince others that their claims are correct is by repeating ideas again and again.
Scientists in different countries can work together.
Some organisms use dead things as food matter.
Communicating the results of scientific investigations is an important part of being a scientist.
1

How has your thinking changed from before?

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